Wednesday, March 18, 2020

2010 Cadillac CTS Sedan AWD V6-3.6L Page 1226

2010 Cadillac CTS Sedan AWD V6-3.6L Page 1226



5. Test for less than 2 ohms between terminals 30 and 87.



瀚慖f greater than the specified range, replace the relay.



Repair Instructions



Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.



* Relay Replacement (Attached to Wire Harness) (See: Power and Ground Distribution/Power Distribution Relay/Service and Repair/Relay



Replacement (Attached to Wire Harness))Relay Replacement (Within an Electrical Center) (See: Power and Ground Distribution/Power



Distribution Relay/Service and Repair/Relay Replacement (Within an Electrical Center))



* Power Brake Booster Auxiliary Pump Replacement (See: Brakes and Traction Control/Power Brake Assist/Hydraulic Brake Booster



Pump/Service and Repair)



* Control Module References (See: Testing and Inspection/Programming and Relearning) for ECM replacement, setup, and programming



P0261



DTC P0201-P0206, P0261, P0262, P0264, P0265, P0267, P0268, P0270, P0271, P0273, P0274, P0276, P0277, P2146, P2149, P2152, P2155,



P216A, or P216D (w/LLT)



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



DTC P0270



- Cylinder 4 Injector Control Circuit Low Voltage