Component Inspection

Component Inspection

1. Ignition "OFF"
2. Measure resistance between terminals 77 and 78 of the ECM connector (ECM side)
A. Specification : Approx. 110 - 130 ohms




3. Is resistance within the specification ?
YES
1) Check for poor connection between ECM and component: backed out terminal, improper mating, broken locks or poor terminal to wire connection. Repair as necessary and go to "Verification of Vehicle Repair" procedure
NO
1) Check ECM for contamination, deterioration, or damage. Substitute with a known-good ECM and check for proper operation. If the problem is corrected, replace ECM and then go to "Verification of Vehicle Repair" procedure.