|
|
• When Monitored: • Set Condition: Possible Causes ACCELERATOR PEDAL POSITION SENSOR ECM - APP SENSOR 1 5-VOLT SUPPLY CIRCUIT SENSOR GROUND OPEN (APP SENSOR) INTERMITTENT CONDITION APP SENSOR 5-VOLT SUPPLY CIRCUIT OPEN APP SENSOR SIGNAL CIRCUIT OPEN APP SENSOR 5-VOLT SUPPLY CIRCUIT SHORTED TO SENSOR GROUND APP SENSOR SIGNAL CIRCUIT SHORTED TO GROUND APP SENSOR 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND VERIFY APP SENSOR OPERATION APP SENSOR SIGNAL CIRCUIT SHORTED TO THE SENSOR GROUND CIRCUIT APP SENSOR 5-VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE ECM - SENSOR GROUND OPEN APP SENSOR CIRCUIT SHORTED TO VOLTAGE APP SENSOR GROUND CIRCUIT SHORTED TO VOLTAGE ECM - APP SENSOR SIGNAL CIRCUIT Diagnostic Test 1. APP SENSOR IDLE VOLTAGE NOTE: If DTC P0641, P0651 or P0697 is present with this DTC, NOTE: If the ECM detects and stores a DTC, the ECM also stores NOTE: Before erasing stored DTCs, record these conditions. NOTE: The APP Sensor is a device that contains 2 separate poten- NOTE: The APP Sensor 2 signal should always be approximately Turn the ignition on. Using a voltmeter, backprobe the APP Sensor 1 and APP Sensor 2 Signal circuits at the APP Sensor harness con- Is the voltage between 0.42 and 0.51 volt for sensor 1 and 0.19 and 0.28 volt for sensor 2? Yes >> Go To 2 No >> Go To 5 9 - 1390 ENGINE DIESEL DIAG KJ |