W/Harness Inspection

P0124 Throttle/Pedal Position Sensor/Switch \'A\' Circuit Intermittent

Inspection/Repair - W/Harness Inspection

Terminal and Connector inspection

1. Many malfunctions in the electrical system are caused by poor harness and terminals.
Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
2. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
3. Has a problem been found?






TPS circuit inspection

Check Open or Short in TPS circuit
1. IG KEY "OFF".
2. Disconnect TPS connector.
3. IG KEY "ON" & ENG "OFF"
4. Measure the voltage between signal, ground, power terminal of TPS harness connector and chassis ground.

Specification : Signal Terminal : Approx. 5.0 V
Ground Terminal : Approx. 0 V
Power Terminal : Approx. 5 V




5. Is the measured voltage within specification?