2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 1205

2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 1205

Component Testing

Temperature Sensor Test

Note: A thermometer can be used to test the sensor off vehicle in heated water.

1. Test the generator control module coolant temperature sensor by varying the sensor temperature while monitoring the sensor resistance.

2. Compare the readings with the Temperature Versus Resistance ().

瀚慖f not within the specified range, replace the generator control module coolant temperature sensor.

Repair Instructions

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

* Coolant Temperature Sensor Replacement (Generator Control Module) ()

* Control Module References (See: Testing and Inspection/Programming and Relearning) for engine control module replacement, setup, and

programming

P0A3F

DTC P0A3F

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 P0A3F

- Drive Motor 1 Position Sensor Circuit

Diagnostic Fault Information

Circuit/System Description