Circuit/System Testing
IMPORTANT:
You must perform the Circuit/System Verification before proceeding with Circuit/System Testing.
- Ignition OFF, disconnect the harness connector at the crankshaft position (CKP) sensor.
- Test for less than 1 ohm between the CKP low reference circuit, terminal B, and ground.
- If greater than the specified value, test the low reference circuit for an open/high resistance. If the circuit tests normal, replace the ECM.
- Ignition OFF, inspect the CKP sensor for correct installation.
- If the CKP sensor is loose, inspect the sensor and the O-ring for damage, replace as necessary.
- If any parts are worn or damaged, replace as necessary.