Monday, April 19, 2021

2010 Cadillac Truck SRX AWD V6-3.0L Page 1866

2010 Cadillac Truck SRX AWD V6-3.0L Page 1866



3. Exit from the scan tool snapshot and review the data.



4. Observe the MAF Sensor g/s parameter frame by frame with a scan tool. The MAF Sensor g/s parameter should change smoothly and



gradually as the engine speed is increased and then returned to idle.



瀚慖f the MAF Sensor g/s parameter does not change smoothly and gradually, refer to Diagnostic Trouble Code (DTC) List - Vehicle (See:



Diagnostic Trouble Code Descriptions/Diagnostic Trouble Code (DTC) List - Vehicle) for DTC P0101.



6. If all conditions test normal, test the engine for a mechanical condition. Refer to Symptoms - Engine Mechanical (See: Engine, Cooling and



Exhaust/Engine/Testing and Inspection/Symptom Related Diagnostic Procedures/Symptoms - Engine Mechanical).



Repair Instructions



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



* Throttle Body Assembly Replacement (LF1) (See: Powertrain Management/Fuel Delivery and Air Induction/Throttle Body/Service and



Repair/Removal and Replacement)Throttle Body Assembly Replacement (LAU) (See: Powertrain Management/Fuel Delivery and Air



Induction/Throttle Body/Service and Repair/Removal and Replacement)



* Air Cleaner Element Replacement (LF1) (See: Engine, Cooling and Exhaust/Engine/Tune-up and Engine Performance Checks/Air Cleaner



Housing/Air Filter Element/Service and Repair)Air Cleaner Element Replacement (LAU) (See: Engine, Cooling and



Exhaust/Engine/Tune-up and Engine Performance Checks/Air Cleaner Housing/Air Filter Element/Service and Repair)



P1133



DTC P0133, P013A-P013F, P014A, P014B, P0153, P1133, or P1153 (LF1)



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 P0133



- HO2S Slow Response Bank 1 Sensor 1



DTC P013A



- HO2S Slow Response Rich to Lean Bank 1 Sensor 2



DTC P013B



- HO2S Slow Response Lean to Rich Bank 1 Sensor 2



DTC P013C



- HO2S Slow Response Rich to Lean Bank 2 Sensor 2



DTC P013D



- HO2S Slow Response Lean to Rich Bank 2 Sensor 2



DTC P013E



- HO2S Delayed Response Rich to Lean Bank 1 Sensor 2



DTC P013F



- HO2S Delayed Response Lean to Rich Bank 1 Sensor 2



DTC P014A



- HO2S Delayed Response Rich to Lean Bank 2 Sensor 2



DTC P014B



- HO2S Delayed Response Lean to Rich Bank 2 Sensor 2



DTC P0153



- HO2S Slow Response Bank 2 Sensor 1



DTC P1133



- HO2S Insufficient Switching Bank 1 Sensor 1

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