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2010 Cadillac Truck SRX AWD V6-3.0L Page 1447

2010 Cadillac Truck SRX AWD V6-3.0L Page 1447



瀚慖f the camshaft position active counter does not increment, replace the K20 ECM.



瀚慖f the circuits test normal, replace the B23 camshaft position sensor.



Component Testing



Note: You must perform the Circuit/System Testing before proceeding with Component Testing.



1. Inspect the B23 crankshaft position sensor for looseness and correct installation. Remove the crankshaft position sensor from the engine and



inspect the sensor and the O-ring for damage.



瀚慖f the sensor is loose, incorrectly installed, or damaged, repair or replace the B23 crankshaft position sensor.



2. Connect the crankshaft position sensor connector to the crankshaft position sensor.



3. Ignition ON, observe the applicable camshaft position active counter parameter with a scan tool. Pass a steel object by the tip of the sensor



repeatedly. The camshaft position active counter parameter should increment.



瀚慖f the function does not perform as specified, replace the B23 camshaft position sensor.



Repair Instructions



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



* Camshaft Position Sensor Replacement - Bank 2 (Left Side) Exhaust (See: Powertrain Management/Computers and Control



Systems/Camshaft Position Sensor/Service and Repair/Camshaft Position Sensor Replacement - Bank 2 (Left Side) Exhaust)



* Camshaft Position Sensor Replacement - Bank 2 (Left Side) Intake (See: Powertrain Management/Computers and Control



Systems/Camshaft Position Sensor/Service and Repair/Camshaft Position Sensor Replacement - Bank 2 (Left Side) Intake)



* Camshaft Position Sensor Replacement - Bank 1 (Right Side) Intake (See: Powertrain Management/Computers and Control



Systems/Camshaft Position Sensor/Service and Repair/Camshaft Position Sensor Replacement - Bank 1 (Right Side) Intake)



* Control Module References (See: Testing and Inspection/Programming and Relearning) for K20 ECM replacement, setup, and



programming



P0341



DTC P0341, P0346, P0366, or P0391 (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 P0341



- Intake Camshaft Position Sensor Performance Bank 1



DTC P0346



- Intake Camshaft Position Sensor Performance Bank 2



DTC P0366



- Exhaust Camshaft Position Sensor Performance Bank 1



DTC P0391



- Exhaust Camshaft Position Sensor Performance Bank 2



Diagnostic Fault Information

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