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• When Monitored: • Set Condition: Possible Causes (K22) TP SENSOR NO.1 OR (K122) TP SENSOR NO.2 SIGNAL CIRCUIT SHORTED TO BATTERY VOLTAGE RESISTANCE IN THE (K22) TP SENSOR NO.1 OR (K122) TP SENSOR NO.2 SIGNAL CIRCUIT (K22) TP SENSOR NO.1 OR (K122) TP SENSOR NO.2 SIGNAL CIRCUIT SHORTED TO GROUND RESISTANCE IN (F855) 5-VOLT SUPPLY CIRCUIT (F855) 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND RESISTANCE IN THE (K922) SENSOR GROUND CIRCUIT (K22) TP SENSOR NO.1 SIGNAL CIRCUIT SHORTED TO (K122) TP SENSOR NO.2 SIGNAL CIRCUIT THROTTLE POSITION SENSOR PCM Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE - Diagnostic Test 1. ACTIVE DTC NOTE: The throttle plate and linkage should be free from binding and carbon build up. NOTE: Make sure the throttle plate is at the idle position. NOTE: Inspect the engine for vacuum leaks. Is the DTC active at this time? Yes >> Go To 2 No >> Go To 11 2. (K22) TP SENSOR NO.1 OR (K122) TP SENSOR NO.2 SIGNAL CIRCUIT SHORTED TO BATTERY Turn the ignition off. Disconnect the PCM harness connector. Disconnect the Throttle Body harness connector. Ignition on, engine not running. Measure the voltage on the (K22) TP No.1 Signal and the (K122) TP Is the voltage above 5.2 volts? Yes >> Repair the short to battery voltage in the (K22) TP Sensor No.1 or (K122) TP Sensor No.2 Signal circuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer No >> Go To 3 9 - 796 ENGINE ELECTRICAL DIAGNOSTICS LX |