3. Check For Short To Ground In Harness
- Keep the ECM and TCM connectors disconnected.
- Measure the resistance between terminal 7 of the ECM harness connector and chassis ground.
- Measure the resistance between terminal 6 of the ECM harness connector and chassis ground.
- Specification: infinite
Does each resistance indicate open?
Yes: Go to next step.
No: Repair short to chassis ground in harness.