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STC-10 < COMPONENT DIAGNOSIS > [EPS] ENGINE SPEED SIGNAL CIRCUIT Is the inspection result normal? YES >> GO TO 4. NO >> Replace ECM. Refer to EC-15, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : . 4. CHECK ENGINE SPEED SIGNAL (2) 1. Turn the ignition switch OFF. 2. Connect power steering control unit harness connector. 3. Check signal between power steering control unit harness connector and ground with oscilloscope. Is the inspection result normal? YES >> GO TO 5. NO >> Replace power steering control unit. Refer to 5. CHECK TERMINALS AND HARNESS CONNECTORS • Check power steering control unit pin terminals for damage or loose connection with harness connector. Is the inspection result normal? YES >> INSPECTION END NO >> Repair or replace damaged parts. ECM — Condition Voltage (Approx.) Connector Terminal M107 110 Ground Engine is running Engine is running JMBIA0076GB JMBIA0077GB Power steering control unit — Condition Voltage (Approx.) Connector Terminal M108 10 Ground Engine is running Engine is running JMBIA0076GB JMBIA0077GB |