|
|
*NO RESPONSE FROM ESM (SHIFT LEVER ASSEMBLY) - NAG1/DIESEL (CONTINUED) For a complete wiring diagram Refer to Section 8W. Possible Causes (Z907) GROUND CIRCUIT OPEN (F1) FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN OR SHORTED (D65) CAN C BUS (+) CIRCUIT OPEN (D64) CAN C BUS (-) CIRCUIT OPEN SHIFT LEVER ASSEMBLY Diagnostic Test 1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active NOTE: Check the FCM for any active CAN C hardware and any ignition related DTCs, perform DTCs before Does the scan tool display a red X next to the module? Yes >> Go To 2 No >> The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness con- 2. (Z907) GROUND CIRCUIT OPEN Turn the ignition off. Disconnect the Shift Lever Assembly harness connector. Using a 12-volt test light connected to 12-volts, check the (Z907) Does the test light illuminate brightly? Yes >> Go To 3 No >> Repair the (Z907) ground circuit for an open. Perform NAG1/Diesel TRANSMISSION VERIFICATION 8E - 174 ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS WK |