Control Circuit Inspection

Check short in harness
1. IG "OFF".
2. Disconnect A/C relay and PCM connector.
3. Measure the resistance between terminal 3 of A/C relay harness connector and chassis ground.
  Specification : Infinite
4. Is the measured resistance within specification ?
  YES
  - Go to " 3Check open in harness" as follows.
  NO
  - Repair Short in Coil control harness and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
Check open in harness
1. IG "OFF".
2. Disconnect A/C relay and PCM connector.
3. Measure the resistance between terminal 3 of A/C relay harness connector and terminal 64 of PCM harness connector.
  Specification : Approx. below 1Ω
4. Is the measured resistance within specification ?
  YES
  - Go to "COMPONENT INSPECTION " procedure.
  NO
  - Repair Open in Coil control harness and go to "VERIFICATION OF VEHICLE REPAIR " procedure.