Signal Circuit Inspection

IG "OFF" and disconnect ECTS connector.
IG "ON" & ENG "OFF"
Measure voltage between terminal 3 of ECTS harness connector and chassis ground.
Specification: Approx. 5V
Is the measured voltage within specification?
YES
- Go to "SYSTEM INSPECTION " procedure.
NO
- Go to 5 "Check short to ground in harness" as follows.
Check short to ground in harness
1. IG "OFF" and disconnect ECTS connector and PCM connector.
2. Measure resistance between terminal 3 of ECTS harness connector and chassis ground.
3. Measure resistance between terminals 1 and 3 of ECTS harness connector.
  Specification: Infinite.
4. Is the measured resistance within specification?
  YES
  - Go to "SYSTEM INSPECTION " procedure.
  NO
  - Repair short to ground in harness, and go to "VERIFICATION OF VEHICLE REPAIR " procedure.