At the engine wire harness side, measure voltage between the TP sensor 3P connector terminals No. 1 and No. 3. TP SENSOR 3P CONNECTOR Wire side of female terminals Is there about 5 V? YES - Go to step 12. NO - Repair open in the wire between the ECM/PCM (A20) and the TP sensor. Turn the ignition switch OFF. Disconnect ECM/PCM connector A (31P). Check for continuity between ECM/PCM connector terminal A15 and body ground. ECM/PCM CONNECTOR A (31P) Wire side of female terminals Is there continuity? YES - Repair short in the wire between the ECM/PCM (A15) and the TP sensor. NO - Go to step 15.

Connect the TP sensor 3P connector terminal No. 2 and body ground with a jumper wire. TP SENSOR 3P CONNECTOR Wire side of female terminals Check for continuity between ECM/PCM connector terminal A15 and body ground. ECM/PCM CONNECTOR A (31P) Wire side of female terminals Is there continuity? YES - Replace the TP sensor. NO - Repair open in the wire between the ECM/PCM (A15) and the TP sensor.