2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 1211
* Injector 3 terminal 4
* Injector 4 terminal 7
* Injector 5 terminal 5
* Injector 6 terminal 8
瀚慖f less than the specified range, test for a short between the control circuit and the ignition voltage circuit. If the circuits/connections test
normal, test or replace the appropriate Q17 fuel injector.
瀚慖f greater than the specified range, test the ignition voltage, and fuel injector control circuit, for an open/high resistance. If the
circuits/connections test normal, test or replace the appropriate Q17 fuel injector.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
* Fuel Injector Replacement (See: Powertrain Management/Fuel Delivery and Air Induction/Fuel Injector/Service and Repair)
* Control Module References (See: Testing and Inspection/Programming and Relearning) for Engine Control Module replacement, setup, and
programming
P0270
DTC P0201, P0202, P0203, P0204, P0205, P0206, P0261, P0262, P0264, P0265, P0267, P0268, P0270, P0271, P0273, P0274, P0276, or P0277
(LAU)
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 Descriptors
DTC P0201
- Cylinder 1 Injector Control Circuit
DTC P0202
- Cylinder 2 Injector Control Circuit
DTC P0203
- Cylinder 3 Injector Control Circuit
DTC P0204
- Cylinder 4 Injector Control Circuit
DTC P0205
- Cylinder 5 Injector Control Circuit
DTC P0206
- Cylinder 6 Injector Control Circuit
DTC P0261
- Cylinder 1 Injector Control Circuit Low Voltage
DTC P0262
- Cylinder 1 Injector Control Circuit High Voltage
DTC P0264
- Cylinder 2 Injector Control Circuit Low Voltage
DTC P0265
- Cylinder 2 Injector Control Circuit High Voltage
DTC P0267
- Cylinder 3 Injector Control Circuit Low Voltage
DTC P0268
- Cylinder 3 Injector Control Circuit High Voltage