5. Check For Open In Harness
- Turn ignition switch to OFF position and keep the ECM and FTPS connectors disconnected.
- Measure resistance between terminal 3 of the FTPS harness connector and 33 of the ECM harness connector.
- Measure resistance between terminal 2 of the FTPS harness connector and 34 of the ECM harness connector.
- Specification: below 1Ω
Does each resistance indicate continuity?
Yes: Proceed with ECM problem procedure.
No: Repair open in harness.