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• When Monitored: • Set Condition: Possible Causes INTERMITTENT DTC (G329) CHARGE INDICATOR SIGNAL CIRCUIT SHORTED TO GROUND (G329) CHARGE INDICATOR SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE GENERATOR ENGINE CONTROL MODULE (ECM) Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE - Diagnostic Test 1. DTC IS ACTIVE Ignition on, engine not running. With the scan tool, Clear DTCs in the Engine Control Module (ECM). Test drive the vehicle 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. (G329) CHARGE INDICATOR SIGNAL CIRCUIT SHORTED TO GROUND Turn the ignition off. Disconnect the Generator harness connector. Disconnect the Engine Control Module (ECM) harness connector. Measure the resistance between ground and the (G329) Charge Indica- Is the resistance above 1000 ohms? Yes >> Go to 3 No >> Repair the (G329) Charge Indicator Signal circuit for a short to ground. Perform the ECM Verification Test Ver. 1. (Refer to 9 - PM ENGINE ELECTRICAL DIAGNOSTICS - DIESEL 9 - 1391 |