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15. APP SENSOR 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND Turn the ignition off. Disconnect the APP Sensor harness connector. Disconnect the ECM harness connectors. Measure the resistance between ground and the Accelerator Pedal Is the resistance below 1000 ohms? Yes >> Repair the Accelerator Pedal Position Sensor 5-Volt Supply circuit for a short to ground. Perform ROAD TEST VERIFICATION - VER-2. No >> Go To 16 16. APP SENSOR 5-VOLT SUPPLY SHORTED TO VOLTAGE Turn the ignition off. Disconnect the APP Sensor harness connector. Disconnect the ECM harness connectors. Remove the ASD Relay. Connect a jumper wire between cavity 30 and cavity 87 of the ASD Turn the ignition on. Measure the voltage of the Accelerator Pedal Position Sensor 5-Volt Is the voltage above 1.0 volt? Yes >> Repair the Accelerator Pedal Position Sensor 5-Volt Supply circuit for a short to voltage. Perform ROAD TEST VERIFICATION - VER-2. No >> Replace and program the Engine Control Module in accor- dance with the Service Information. Perform the ECM Verification Test Ver. 1 (Refer to 9 - 9 - 1370 ENGINE DIESEL DIAG KJ |