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POWER STEERING SOLENOID VALVE STC-7 < DTC/CIRCUIT DIAGNOSIS > C D E F H I J K L M A B STC N O P POWER STEERING SOLENOID VALVE Description INFOID:0000000005515246 Power steering solenoid valve controls the power steering oil pressure in the gear housing assembly. Diagnosis Procedure INFOID:0000000005515247 1. CHECK POWER STEERING SOLENOID VALVE SIGNAL 1. Turn the ignition switch OFF. 2. Check voltage between power steering control unit harness connector and ground. Is the inspection result normal? YES >> GO TO 4. NO >> GO TO 2. 2. CHECK HARNESS BETWEEN POWER STEERING SOLENOID VALVE AND POWER STEERING CON- TROL UNIT 1. Turn the ignition switch OFF. 2. Disconnect power steering solenoid valve harness connector. 3. Disconnect power steering control unit harness connector. 4. Check the continuity between power steering solenoid valve harness connector and the power steering 5. Check continuity between power steering control unit harness connector and ground. Is the inspection result normal? YES >> GO TO 3. NO >> Repair or replace damaged parts. 3. CHECK POWER STEERING SOLENOID VALVE Check power steering solenoid valve. Refer to . Is the inspection result normal? YES >> GO TO 4. NO >> Replace gear-sub assembly. Refer to 4. 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? Power steering control unit — Condition Voltage (Approx.) Connector Terminal M61 1 Ground Vehicle speed: 0 km/h (0 MPH) 4.4 – 6.6 V Vehicle speed: 100 km/h (62 MPH) 2.4 – 3.6 V Power steering solenoid valve Power steering control unit Continuity Connector Terminal Connector Terminal E52 1 M61 1 Existed E52 2 M61 5 Existed Power steering control unit — Continuity Connector Terminal M61 1 Ground Not existed M61 5 |