Power Circuit Inspection
■ Power Circuit Preliminary Inspection
- IG KEY OFF.
- Disconnect ETC connector.
- IG KEY ON.
- Measure voltage between TPS power circuit of ETC harness connector and chassis ground.
Specification: Approx. 5V
- Is voltage within the specification?
YES
- Go to "SIGNAL CIRCUIT INSPECTION " procedure.
NO
- Go to next procedure.
■ Check For Short To Ground In Power Circuit
- IG KEY OFF.
- Disconnect ETC connector.
- IG KEY ON.
- Measure resistance between TPS power terminal of ETC harness connector and chassis ground.
Specification: Infinite
- Is resistance within specification?
YES
- Go to next procedure.
NO
- Repair as necessary and go to "Verification Of Vehicle Repair " procedure.
■ Check Open In Power Circuit
- IG KEY OFF.
- Disconnect ETC connector and PCM/ECM connector.
- Measure resistance between both ends of TPS Power line.
Specification: Below 1Ω
- Is resistance within specification?
YES
- Go to next procedure.
NO
- Repair as necessary and go to "Verification Of Vehicle Repair " procedure.