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• When Monitored: • Set Condition: Possible Causes INTERMITTENT DTC (K663) FUEL INJECTOR 3 HIGH-SIDE CONTROL CIRCUIT SHORTED TO VOLTAGE (K613) FUEL INJECTOR 3 LOW-SIDE CONTROL CIRCUIT SHORTED TO VOLTAGE (K663) FUEL INJECTOR 3 HIGH-SIDE CONTROL CIRCUIT SHORTED TO GROUND (K613) FUEL INJECTOR 3 LOW-SIDE CONTROL CIRCUIT SHORTED TO GROUND (K663) FUEL INJECTOR 3 HIGH-SIDE CONTROL CIRCUIT SHORTED TO (K613) FUEL INJECTOR 3 LOW- (K663) FUEL INJECTOR 3 HIGH-SIDE CONTROL CIRCUIT OPEN OR HIGH RESISTANCE (K613) FUEL INJECTOR 3 LOW-SIDE CONTROL CIRCUIT OPEN OR HIGH RESISTANCE FUEL INJECTOR 3 Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE - Diagnostic Test 1. DTC IS ACTIVE NOTE: This DTC can set as a result of a fault in any of the injector circuits. Be sure to check all injector With the scan tool, Clear DTCs in the Engine Control Module. Attempt to start the engine and 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. (K663) FUEL INJECTOR HIGH-SIDE COMMON CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the Fuel Injector 3 harness connector. Disconnect the Engine Control Module harness connectors. Remove the Main Relay. Connect a jumper wire between cavity B7 and cavity B9 of the Main Turn the ignition on. Measure the voltage of the (K663) Fuel Injector High-Side Common cir- Is there any voltage present? Yes >> Repair the (K663) Fuel Injector High-Side Common circuit for a short to voltage. Perform the ECM Verification Test Ver. 1. (Refer to 9 - No >> Go to 3 PM ENGINE ELECTRICAL DIAGNOSTICS - DIESEL 9 - 1023 |