2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 1591
1. Ignition OFF, wait 2 minutes.
Important: The drive motor generator control module sight shield must be installed during all testing in order to complete the HVIC
current loop.
2. Disconnect PIM connector X1.
3. Ignition ON, test for less than 35 mA with a DMM between the HVIC Source circuit terminal 23 and ground.
瀚慖f more than the specified range, test the HVIC Source circuit for a short to voltage between PIM connector X1 and X350.
Danger: Always perform the High Voltage Disabling procedure prior to servicing any High Voltage component or connection. Personal
Protection Equipment (PPE) and proper procedures must be followed.
The High Voltage Disabling procedure will perform the following tasks:
* Identify how to disable high voltage.
* Identify how to test for the presence of high voltage.
* Identify condition under which high voltage is always present and personal protection equipment (PPE) and proper procedures
must be followed.
Failure to follow the procedures exactly as written may result in serious injury or death.
Important: Removal of the HV manual disconnect lever also opens the HVIC source circuit between X350 and BECM connector X1.
If the circuit tests normal, perform the High Voltage Disabling () procedure and test the HVIC Source circuit for a short to voltage between X350
and BECM connector X1. If the circuit tests normal, replace the BECM.
4. Ignition ON, test for less than 35 mA with a DMM between the HVIC Return circuit terminal 1 and ground.
瀚慖f more than the specified range, test the HVIC Return circuit for a short to voltage between PIM connector X1 and X350.
Danger: Always perform the High Voltage Disabling procedure prior to servicing any High Voltage component or connection. Personal
Protection Equipment (PPE) and proper procedures must be followed.
The High Voltage Disabling procedure will perform the following tasks:
* Identify how to disable high voltage.
* Identify how to test for the presence of high voltage.
* Identify condition under which high voltage is always present and personal protection equipment (PPE) and proper procedures
must be followed.
Failure to follow the procedures exactly as written may result in serious injury or death.
If the circuit tests normal, perform the High Voltage Disabling () procedure and test the HVIC Return circuit for a short to voltage between X350
and BECM connector X1. If the circuit tests normal, replace the BECM.
5. If all circuits test normal, replace the PIM.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
Control Module References (See: Testing and Inspection/Programming and Relearning) for PIM or BECM replacement, setup, and programming
P1B06
DTC P1AE2-P1AE4, P1B05, or P1B06
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System
Check - Vehicle) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an
overview of the diagnostic approach.
* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure
Instructions) provides an overview of each diagnostic category.
Showing posts with label wait 2 minutes.. Show all posts
Showing posts with label wait 2 minutes.. Show all posts
Saturday, October 24, 2020
Friday, October 23, 2020
2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 1576
2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 1576
2. Ignition OFF, wait 2 minutes.
3. Ignition ON, wait 2 minutes and then turn ignition OFF.
4. Ignition ON, monitor DTC Status. DTC P1B10 and P1B0F should have passed last test.
瀚慖f the DTC has passed, clear DTC Information. No further diagnosis of this DTC is necessary.
Circuit/System Testing
1. Inspect for DTCs P0A40, P0A45, P0A46, P0A78, P0A79, P0A3F, P0C05, P0C08, P0C0B, P0C0E, P0C4E, P0C4F, P0C52, P0C53, P0C57,
P0C58, P0C61, P0C62, P0C5C, P0C5D, P1B03, P1B04 or P1B0D.
瀚慖f any of the above DTCs are set, diagnose and repair them prior to performing this diagnostic.
2. Ignition ON, engine OFF. Observe the BECM Hybrid Battery Pack Calculated parameter. The hybrid battery voltage should be greater than
192V.
瀚慖f the hybrid battery voltage is less than 192V, replace the drive motor generator battery.
3. Turn the ignition OFF and wait 2 minutes.
4. Ignition ON, monitor DTC Status. DTC P1B10 and P1B0F should have passed last test.
瀚慖f DTC P0C4E or P0C4F sets, proceed to that diagnostic procedure.
瀚慖f DTC P1B10 and P1B0F have passed, clear DTC Information. No further diagnosis is necessary.
瀚慖f DTC P1B10 or P1B0F resets, program the PIM with the latest software version and recheck for DTCs. If the DTC resets after
programming or if the PIM already contains the latest software version, replace the applicable drive motor generator assembly.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
* Drive Motor with Generator Assembly Removal - 1st Position (See: Transmission and Drivetrain/Automatic
Transmission/Transaxle/Service and Repair/Overhaul/2ML70 - Automatic Transmission/8. Drive Motor with Generator Assembly Removal -
1st Position)
* Drive Motor with Generator Assembly Removal - 2nd Position (See: Transmission and Drivetrain/Automatic
Transmission/Transaxle/Service and Repair/Overhaul/2ML70 - Automatic Transmission/13. Drive Motor with Generator Assembly Removal
- 2nd Position)
* Drive Motor Generator Battery Replacement and Shipping Preparation ()
* Drive Motor Battery with Case Overhaul ()
P1B01
DTC P1AFB or P1B01
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System
Check - Vehicle) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an
overview of the diagnostic approach.
* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure
Instructions) provides an overview of each diagnostic category.
DTC Descriptor
DTC P1AFB
- Drive Motor 1 Control Module Programmable Logic Device Security Code
DTC P1B01
- Drive Motor 2 Control Module Programmable Logic Device Security Code
Circuit/System Description
This diagnostic applies to internal microprocessor integrity conditions within the hybrid powertrain control module (HPCM). The HPCM and each
Motor Control Module (MCM) utilize a programmable logic device (PLD) to perform certain input and output functions. MCM 1 programs the
PLD with software at every ignition ON event. MCM 1 and 2 verify that the PLD is programmed successfully.
Conditions for Running the DTC
2. Ignition OFF, wait 2 minutes.
3. Ignition ON, wait 2 minutes and then turn ignition OFF.
4. Ignition ON, monitor DTC Status. DTC P1B10 and P1B0F should have passed last test.
瀚慖f the DTC has passed, clear DTC Information. No further diagnosis of this DTC is necessary.
Circuit/System Testing
1. Inspect for DTCs P0A40, P0A45, P0A46, P0A78, P0A79, P0A3F, P0C05, P0C08, P0C0B, P0C0E, P0C4E, P0C4F, P0C52, P0C53, P0C57,
P0C58, P0C61, P0C62, P0C5C, P0C5D, P1B03, P1B04 or P1B0D.
瀚慖f any of the above DTCs are set, diagnose and repair them prior to performing this diagnostic.
2. Ignition ON, engine OFF. Observe the BECM Hybrid Battery Pack Calculated parameter. The hybrid battery voltage should be greater than
192V.
瀚慖f the hybrid battery voltage is less than 192V, replace the drive motor generator battery.
3. Turn the ignition OFF and wait 2 minutes.
4. Ignition ON, monitor DTC Status. DTC P1B10 and P1B0F should have passed last test.
瀚慖f DTC P0C4E or P0C4F sets, proceed to that diagnostic procedure.
瀚慖f DTC P1B10 and P1B0F have passed, clear DTC Information. No further diagnosis is necessary.
瀚慖f DTC P1B10 or P1B0F resets, program the PIM with the latest software version and recheck for DTCs. If the DTC resets after
programming or if the PIM already contains the latest software version, replace the applicable drive motor generator assembly.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
* Drive Motor with Generator Assembly Removal - 1st Position (See: Transmission and Drivetrain/Automatic
Transmission/Transaxle/Service and Repair/Overhaul/2ML70 - Automatic Transmission/8. Drive Motor with Generator Assembly Removal -
1st Position)
* Drive Motor with Generator Assembly Removal - 2nd Position (See: Transmission and Drivetrain/Automatic
Transmission/Transaxle/Service and Repair/Overhaul/2ML70 - Automatic Transmission/13. Drive Motor with Generator Assembly Removal
- 2nd Position)
* Drive Motor Generator Battery Replacement and Shipping Preparation ()
* Drive Motor Battery with Case Overhaul ()
P1B01
DTC P1AFB or P1B01
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System
Check - Vehicle) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an
overview of the diagnostic approach.
* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure
Instructions) provides an overview of each diagnostic category.
DTC Descriptor
DTC P1AFB
- Drive Motor 1 Control Module Programmable Logic Device Security Code
DTC P1B01
- Drive Motor 2 Control Module Programmable Logic Device Security Code
Circuit/System Description
This diagnostic applies to internal microprocessor integrity conditions within the hybrid powertrain control module (HPCM). The HPCM and each
Motor Control Module (MCM) utilize a programmable logic device (PLD) to perform certain input and output functions. MCM 1 programs the
PLD with software at every ignition ON event. MCM 1 and 2 verify that the PLD is programmed successfully.
Conditions for Running the DTC
Thursday, October 31, 2019
2010 Cadillac Truck Escalade ESV AWD V8-6.2L Page 1692
2010 Cadillac Truck Escalade ESV AWD V8-6.2L Page 1692
1. Ignition OFF, wait 2 minutes.
Important: The drive motor generator control module sight shield must be installed during all testing in order to complete the HVIC
current loop.
2. Disconnect PIM connector X1.
3. Ignition ON, test for less than 35 mA with a DMM between the HVIC Source circuit terminal 23 and ground.
锟斤拷If more than the specified range, test the HVIC Source circuit for a short to voltage between PIM connector X1 and X350.
Danger: Always perform the High Voltage Disabling procedure prior to servicing any High Voltage component or connection. Personal
Protection Equipment (PPE) and proper procedures must be followed.
The High Voltage Disabling procedure will perform the following tasks:
* Identify how to disable high voltage.
* Identify how to test for the presence of high voltage.
* Identify condition under which high voltage is always present and personal protection equipment (PPE) and proper procedures
must be followed.
Failure to follow the procedures exactly as written may result in serious injury or death.
Important: Removal of the HV manual disconnect lever also opens the HVIC source circuit between X350 and BECM connector X1.
If the circuit tests normal, perform the High Voltage Disabling () procedure and test the HVIC Source circuit for a short to voltage between X350
and BECM connector X1. If the circuit tests normal, replace the BECM.
4. Ignition ON, test for less than 35 mA with a DMM between the HVIC Return circuit terminal 1 and ground.
锟斤拷If more than the specified range, test the HVIC Return circuit for a short to voltage between PIM connector X1 and X350.
Danger: Always perform the High Voltage Disabling procedure prior to servicing any High Voltage component or connection. Personal
Protection Equipment (PPE) and proper procedures must be followed.
The High Voltage Disabling procedure will perform the following tasks:
* Identify how to disable high voltage.
* Identify how to test for the presence of high voltage.
* Identify condition under which high voltage is always present and personal protection equipment (PPE) and proper procedures
must be followed.
Failure to follow the procedures exactly as written may result in serious injury or death.
If the circuit tests normal, perform the High Voltage Disabling () procedure and test the HVIC Return circuit for a short to voltage between X350
and BECM connector X1. If the circuit tests normal, replace the BECM.
5. If all circuits test normal, replace the PIM.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
Control Module References (See: Testing and Inspection/Programming and Relearning) for PIM or BECM replacement, setup, and programming
P1B06
DTC P1AE2-P1AE4, P1B05, or P1B06
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System
Check - Vehicle) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an
overview of the diagnostic approach.
* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure
Instructions) provides an overview of each diagnostic category.
1. Ignition OFF, wait 2 minutes.
Important: The drive motor generator control module sight shield must be installed during all testing in order to complete the HVIC
current loop.
2. Disconnect PIM connector X1.
3. Ignition ON, test for less than 35 mA with a DMM between the HVIC Source circuit terminal 23 and ground.
锟斤拷If more than the specified range, test the HVIC Source circuit for a short to voltage between PIM connector X1 and X350.
Danger: Always perform the High Voltage Disabling procedure prior to servicing any High Voltage component or connection. Personal
Protection Equipment (PPE) and proper procedures must be followed.
The High Voltage Disabling procedure will perform the following tasks:
* Identify how to disable high voltage.
* Identify how to test for the presence of high voltage.
* Identify condition under which high voltage is always present and personal protection equipment (PPE) and proper procedures
must be followed.
Failure to follow the procedures exactly as written may result in serious injury or death.
Important: Removal of the HV manual disconnect lever also opens the HVIC source circuit between X350 and BECM connector X1.
If the circuit tests normal, perform the High Voltage Disabling () procedure and test the HVIC Source circuit for a short to voltage between X350
and BECM connector X1. If the circuit tests normal, replace the BECM.
4. Ignition ON, test for less than 35 mA with a DMM between the HVIC Return circuit terminal 1 and ground.
锟斤拷If more than the specified range, test the HVIC Return circuit for a short to voltage between PIM connector X1 and X350.
Danger: Always perform the High Voltage Disabling procedure prior to servicing any High Voltage component or connection. Personal
Protection Equipment (PPE) and proper procedures must be followed.
The High Voltage Disabling procedure will perform the following tasks:
* Identify how to disable high voltage.
* Identify how to test for the presence of high voltage.
* Identify condition under which high voltage is always present and personal protection equipment (PPE) and proper procedures
must be followed.
Failure to follow the procedures exactly as written may result in serious injury or death.
If the circuit tests normal, perform the High Voltage Disabling () procedure and test the HVIC Return circuit for a short to voltage between X350
and BECM connector X1. If the circuit tests normal, replace the BECM.
5. If all circuits test normal, replace the PIM.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
Control Module References (See: Testing and Inspection/Programming and Relearning) for PIM or BECM replacement, setup, and programming
P1B06
DTC P1AE2-P1AE4, P1B05, or P1B06
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System
Check - Vehicle) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an
overview of the diagnostic approach.
* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure
Instructions) provides an overview of each diagnostic category.
2010 Cadillac Truck Escalade ESV AWD V8-6.2L Page 1677
2010 Cadillac Truck Escalade ESV AWD V8-6.2L Page 1677
2. Ignition OFF, wait 2 minutes.
3. Ignition ON, wait 2 minutes and then turn ignition OFF.
4. Ignition ON, monitor DTC Status. DTC P1B10 and P1B0F should have passed last test.
锟斤拷If the DTC has passed, clear DTC Information. No further diagnosis of this DTC is necessary.
Circuit/System Testing
1. Inspect for DTCs P0A40, P0A45, P0A46, P0A78, P0A79, P0A3F, P0C05, P0C08, P0C0B, P0C0E, P0C4E, P0C4F, P0C52, P0C53, P0C57,
P0C58, P0C61, P0C62, P0C5C, P0C5D, P1B03, P1B04 or P1B0D.
锟斤拷If any of the above DTCs are set, diagnose and repair them prior to performing this diagnostic.
2. Ignition ON, engine OFF. Observe the BECM Hybrid Battery Pack Calculated parameter. The hybrid battery voltage should be greater than
192V.
锟斤拷If the hybrid battery voltage is less than 192V, replace the drive motor generator battery.
3. Turn the ignition OFF and wait 2 minutes.
4. Ignition ON, monitor DTC Status. DTC P1B10 and P1B0F should have passed last test.
锟斤拷If DTC P0C4E or P0C4F sets, proceed to that diagnostic procedure.
锟斤拷If DTC P1B10 and P1B0F have passed, clear DTC Information. No further diagnosis is necessary.
锟斤拷If DTC P1B10 or P1B0F resets, program the PIM with the latest software version and recheck for DTCs. If the DTC resets after
programming or if the PIM already contains the latest software version, replace the applicable drive motor generator assembly.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
* Drive Motor with Generator Assembly Removal - 1st Position (See: Transmission and Drivetrain/Automatic
Transmission/Transaxle/Service and Repair/Overhaul/2ML70 - Automatic Transmission/8. Drive Motor with Generator Assembly Removal -
1st Position)
* Drive Motor with Generator Assembly Removal - 2nd Position (See: Transmission and Drivetrain/Automatic
Transmission/Transaxle/Service and Repair/Overhaul/2ML70 - Automatic Transmission/13. Drive Motor with Generator Assembly Removal
- 2nd Position)
* Drive Motor Generator Battery Replacement and Shipping Preparation ()
* Drive Motor Battery with Case Overhaul ()
P1B01
DTC P1AFB or P1B01
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System
Check - Vehicle) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an
overview of the diagnostic approach.
* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure
Instructions) provides an overview of each diagnostic category.
DTC Descriptor
DTC P1AFB
- Drive Motor 1 Control Module Programmable Logic Device Security Code
DTC P1B01
- Drive Motor 2 Control Module Programmable Logic Device Security Code
Circuit/System Description
This diagnostic applies to internal microprocessor integrity conditions within the hybrid powertrain control module (HPCM). The HPCM and each
Motor Control Module (MCM) utilize a programmable logic device (PLD) to perform certain input and output functions. MCM 1 programs the
PLD with software at every ignition ON event. MCM 1 and 2 verify that the PLD is programmed successfully.
Conditions for Running the DTC
2. Ignition OFF, wait 2 minutes.
3. Ignition ON, wait 2 minutes and then turn ignition OFF.
4. Ignition ON, monitor DTC Status. DTC P1B10 and P1B0F should have passed last test.
锟斤拷If the DTC has passed, clear DTC Information. No further diagnosis of this DTC is necessary.
Circuit/System Testing
1. Inspect for DTCs P0A40, P0A45, P0A46, P0A78, P0A79, P0A3F, P0C05, P0C08, P0C0B, P0C0E, P0C4E, P0C4F, P0C52, P0C53, P0C57,
P0C58, P0C61, P0C62, P0C5C, P0C5D, P1B03, P1B04 or P1B0D.
锟斤拷If any of the above DTCs are set, diagnose and repair them prior to performing this diagnostic.
2. Ignition ON, engine OFF. Observe the BECM Hybrid Battery Pack Calculated parameter. The hybrid battery voltage should be greater than
192V.
锟斤拷If the hybrid battery voltage is less than 192V, replace the drive motor generator battery.
3. Turn the ignition OFF and wait 2 minutes.
4. Ignition ON, monitor DTC Status. DTC P1B10 and P1B0F should have passed last test.
锟斤拷If DTC P0C4E or P0C4F sets, proceed to that diagnostic procedure.
锟斤拷If DTC P1B10 and P1B0F have passed, clear DTC Information. No further diagnosis is necessary.
锟斤拷If DTC P1B10 or P1B0F resets, program the PIM with the latest software version and recheck for DTCs. If the DTC resets after
programming or if the PIM already contains the latest software version, replace the applicable drive motor generator assembly.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
* Drive Motor with Generator Assembly Removal - 1st Position (See: Transmission and Drivetrain/Automatic
Transmission/Transaxle/Service and Repair/Overhaul/2ML70 - Automatic Transmission/8. Drive Motor with Generator Assembly Removal -
1st Position)
* Drive Motor with Generator Assembly Removal - 2nd Position (See: Transmission and Drivetrain/Automatic
Transmission/Transaxle/Service and Repair/Overhaul/2ML70 - Automatic Transmission/13. Drive Motor with Generator Assembly Removal
- 2nd Position)
* Drive Motor Generator Battery Replacement and Shipping Preparation ()
* Drive Motor Battery with Case Overhaul ()
P1B01
DTC P1AFB or P1B01
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System
Check - Vehicle) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an
overview of the diagnostic approach.
* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure
Instructions) provides an overview of each diagnostic category.
DTC Descriptor
DTC P1AFB
- Drive Motor 1 Control Module Programmable Logic Device Security Code
DTC P1B01
- Drive Motor 2 Control Module Programmable Logic Device Security Code
Circuit/System Description
This diagnostic applies to internal microprocessor integrity conditions within the hybrid powertrain control module (HPCM). The HPCM and each
Motor Control Module (MCM) utilize a programmable logic device (PLD) to perform certain input and output functions. MCM 1 programs the
PLD with software at every ignition ON event. MCM 1 and 2 verify that the PLD is programmed successfully.
Conditions for Running the DTC
Wednesday, October 30, 2019
2010 Cadillac Truck Escalade ESV AWD V8-6.2L Page 1597
2010 Cadillac Truck Escalade ESV AWD V8-6.2L Page 1597
1. Ignition OFF, wait 2 minutes.
Important: The drive motor generator control module sight shield must be installed during all testing in order to complete the HVIC
current loop.
2. Disconnect PIM connector X1.
3. Ignition ON, observe the BECM HVIC Current Source parameter.
锟斤拷If the HVIC Current Source parameter indicates current less than 5 mA, replace the PIM.
锟斤拷If the HVIC Current Source parameter indicates current between 5-18 mA test for the HVIC Source and HVIC Return circuits shorted
together between PIM connector X1 and X350.
Danger: Always perform the High Voltage Disabling procedure prior to servicing any High Voltage component or connection. Personal
Protection Equipment (PPE) and proper procedures must be followed.
The High Voltage Disabling procedure will perform the following tasks:
* Identify how to disable high voltage.
* Identify how to test for the presence of high voltage.
* Identify condition under which high voltage is always present and personal protection equipment (PPE) and proper procedures
must be followed.
Failure to follow the procedures exactly as written may result in serious injury or death.
Important: Removal of the HV manual disconnect lever also opens the HVIC source circuit between X350 and BECM connector X1.
锟斤拷If the circuit tests normal, perform the High Voltage Disabling () procedure and test for the HVIC Source and HVIC Return circuits
shorted together between X350 and BECM connector X1. If the circuit tests normal, replace the BECM.
P1B05 and P1B06 with P1AE2
Important: DTCs P1B05 and P1B06 should always pass and fail together. If one DTC has passed while one has failed, replace the
drive motor generator power inverter control module (PIM).
1. Ignition OFF, wait 2 minutes.
Important: The drive motor generator control module sight shield must be installed during all testing in order to complete the HVIC
current loop.
2. Disconnect PIM connector X1.
3. Install a 3 A fused jumper wire between the HVIC return circuit terminal 1 and the HVIC source circuit terminal 23.
4. Ignition ON, observe the BECM HVIC Source Current parameter.
锟斤拷If the HVIC Source Current parameter indicates current between 5-18 mA, test for proper PIM connector X1 terminal contact at terminal
1 and terminal 23. If the terminal contact tests normal, replace the PIM.
5. Remove the PIM terminal 1 to terminal 23 fused jumper wire.
6. Test for 5-18 mA with a DMM between the HVIC Source circuit terminal 23 and ground.
锟斤拷If within the specified range, test the HVIC Return circuit for an open between PIM connector X1 and X350.
Danger: Always perform the High Voltage Disabling procedure prior to servicing any High Voltage component or connection. Personal
Protection Equipment (PPE) and proper procedures must be followed.
The High Voltage Disabling procedure will perform the following tasks:
* Identify how to disable high voltage.
* Identify how to test for the presence of high voltage.
* Identify condition under which high voltage is always present and personal protection equipment (PPE) and proper procedures
must be followed.
Failure to follow the procedures exactly as written may result in serious injury or death.
锟斤拷If the circuit tests normal, perform the High Voltage Disabling () procedure and test the HVIC Return circuit for an open between X350
and BECM connector X1. If the circuit tests normal, replace the BECM.
锟斤拷If less than the specified range, test the HVIC Source circuit for an open between PIM connector X1 and X350.
Danger: Always perform the High Voltage Disabling procedure prior to servicing any High Voltage component or connection. Personal
1. Ignition OFF, wait 2 minutes.
Important: The drive motor generator control module sight shield must be installed during all testing in order to complete the HVIC
current loop.
2. Disconnect PIM connector X1.
3. Ignition ON, observe the BECM HVIC Current Source parameter.
锟斤拷If the HVIC Current Source parameter indicates current less than 5 mA, replace the PIM.
锟斤拷If the HVIC Current Source parameter indicates current between 5-18 mA test for the HVIC Source and HVIC Return circuits shorted
together between PIM connector X1 and X350.
Danger: Always perform the High Voltage Disabling procedure prior to servicing any High Voltage component or connection. Personal
Protection Equipment (PPE) and proper procedures must be followed.
The High Voltage Disabling procedure will perform the following tasks:
* Identify how to disable high voltage.
* Identify how to test for the presence of high voltage.
* Identify condition under which high voltage is always present and personal protection equipment (PPE) and proper procedures
must be followed.
Failure to follow the procedures exactly as written may result in serious injury or death.
Important: Removal of the HV manual disconnect lever also opens the HVIC source circuit between X350 and BECM connector X1.
锟斤拷If the circuit tests normal, perform the High Voltage Disabling () procedure and test for the HVIC Source and HVIC Return circuits
shorted together between X350 and BECM connector X1. If the circuit tests normal, replace the BECM.
P1B05 and P1B06 with P1AE2
Important: DTCs P1B05 and P1B06 should always pass and fail together. If one DTC has passed while one has failed, replace the
drive motor generator power inverter control module (PIM).
1. Ignition OFF, wait 2 minutes.
Important: The drive motor generator control module sight shield must be installed during all testing in order to complete the HVIC
current loop.
2. Disconnect PIM connector X1.
3. Install a 3 A fused jumper wire between the HVIC return circuit terminal 1 and the HVIC source circuit terminal 23.
4. Ignition ON, observe the BECM HVIC Source Current parameter.
锟斤拷If the HVIC Source Current parameter indicates current between 5-18 mA, test for proper PIM connector X1 terminal contact at terminal
1 and terminal 23. If the terminal contact tests normal, replace the PIM.
5. Remove the PIM terminal 1 to terminal 23 fused jumper wire.
6. Test for 5-18 mA with a DMM between the HVIC Source circuit terminal 23 and ground.
锟斤拷If within the specified range, test the HVIC Return circuit for an open between PIM connector X1 and X350.
Danger: Always perform the High Voltage Disabling procedure prior to servicing any High Voltage component or connection. Personal
Protection Equipment (PPE) and proper procedures must be followed.
The High Voltage Disabling procedure will perform the following tasks:
* Identify how to disable high voltage.
* Identify how to test for the presence of high voltage.
* Identify condition under which high voltage is always present and personal protection equipment (PPE) and proper procedures
must be followed.
Failure to follow the procedures exactly as written may result in serious injury or death.
锟斤拷If the circuit tests normal, perform the High Voltage Disabling () procedure and test the HVIC Return circuit for an open between X350
and BECM connector X1. If the circuit tests normal, replace the BECM.
锟斤拷If less than the specified range, test the HVIC Source circuit for an open between PIM connector X1 and X350.
Danger: Always perform the High Voltage Disabling procedure prior to servicing any High Voltage component or connection. Personal
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