Power Supply Circuit Inspection
- Ignition "OFF".
- Disconnect TPS connector.
- Ignition "ON" & Engine "OFF".
- Measure voltage between terminal 3 of the sensor harness connector and chassis ground.
Specification : Approx. 5V
- Is voltage within the specification?
YES
- Go to SIGNAL CIRCUIT INSPECTION procedure.
NO
- Possibility of open or short to ground in 5V reference circuit. Repair as necessary and go to VERIFICATION OF VEHICLE REPAIR procedure.