Signal Circuit Inspection

Check for open in signal circuit.
1. Measure resistance between terminals 5 of the sensor harness connector and 18 of the PCM harness connector.
  Specification : Approx. 0Ω
2. Is resistance within the specification?
YES
- Go to next step as below.
NO
- Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
Check for short to battery in signal circuit.
1. Ignition "ON" and Engine "OFF".
2. With IATS and PCM connector still disconnected, measure voltage between terminals 5 of sensor harness connector and 18 of the PCM harness connector.
  Specification : Approx. 0V
3. Is voltage within the specification?
  YES
  - Go to "TERMINAL AND CONNECTOR INSPECTION " procedure.
  NO
  - Repair open circuit and go to "VERIFICATION OF VEHICLE REPAIR " procedure.