2150481

1.

Connect scantool to Data Link Connector(DLC) and start engine.

2.

Monitor the "ENGINE SPEED" parameter on the scantool.

3.

Drive the vehicle with idling and acceleration.

4.

Is parameter within specifications?

YES

a.

Fault is intermittent and caused either by poor contact in connectors or wiring harness, or it has been repaired and EPS CM memory is not cleared yet. Thoroughly check all connectors (and connections) for looseness, bending, corrosion, contamination, deterioration, and/or damage.

Repair or replace as necessary and then go to "Verification of Vehicle Repair" procedure.

NO

a.

Watch the tachometer on the instrument panel with idling and acceleration.

→ If tachometer is normal, "W/Harness Inspection" go to procedure.

→ If tachometer is abnormal, check for contact resistance in connections, open/short to ground in signal circuit from PCM(or ECM) to terminal "8"of MC21(or MC121) harness connector and faulty components.

b.

Repair as necessary and then go to "Verification of Vehicle Repair" procedure.