|
|
P060B-ETC A/D GROUND PERFORMANCE For a complete wiring diagram Refer to Section 8W • When Monitored: • Set Condition: Possible Causes INTERMITTENT DTC POWERTRAIN CONTROL MODULE (PCM) Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE - Diagnostic Test 1. DTC IS ACTIVE NOTE: If any other DTCs are set, they must be diagnosed and repaired before continuing this test. NOTE: An intermittent loss of power to the PCM without performing an ETC Relearn procedure may cause WARNING: When the engine is operating, do not stand in direct line with the fan. Do not put your hands With the scan tool, Clear DTCs in the Powertrain Control Module (PCM). Verify the Powertrain Control Module (PCM) is at the latest calibration (flash level). If necessary, update the Pow- Start the engine and allow it to reach operating temperature. Increase engine speed by pressing the accelerator pedal. Do not exceed 3500 rpm. With the scan tool, select View DTCs. Is the status Active for this DTC? Yes >> Go to 2 No >> Refer to the *CHECKING FOR AN INTERMITTENT DTC Diagnostic Procedure. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING) 2. POWERTRAIN CONTROL MODULE (PCM) Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Throttle Body and Look for any chafed, pierced, pinched, or partially broken wires. Look for broken, bent, pushed out or corroded terminals. Refer to any Technical Service Bulletins that may apply. Were any problems found? Yes >> Repair as necessary. Perform the PCM Verification Test Ver. 1 (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING). No >> Replace and program the Powertrain Control Module (PCM) in accordance with the Service Information. Perform the PCM Verification Test Ver. 1 (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING). PM ENGINE ELECTRICAL DIAGNOSTICS - GPEC 9 - 531 |