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TROUBLE DIAGNOSIS FOR SYSTEM STC-79 [WITH REAR ACTIVE STEER] C D E F H I J K L M A B STC 3. CHECK POWER STEERING SOLENOID VALVE 1. Turn ignition switch “OFF”. 2. Disconnect power steering solenoid valve harness connector. 3. Check resistance between power steering solenoid valve con- 4. Check power steering solenoid valve connector (A) by listening OK or NG OK >> GO TO 4. NG >> Replace power steering solenoid valve. Refer to 4. CHECK HARNESS BETWEEN RAS CONTROL UNIT AND POWER STEERING SOLENOID VALVE 1. Turn ignition switch “OFF”. 2. Disconnect RAS control unit harness connector and power steering solenoid valve harness connector. 3. Check continuity between RAS control unit harness connector Also check harness for short to ground and short to power. OK or NG OK >> GO TO 5. NG >> Repair or replace damaged parts. 5. CHECK RAS CONTROL UNIT Check RAS control unit input/output signal. Refer to STC-47, "RAS Control Unit Input/Output Signal Refer- . OK or NG OK >> GO TO 6. NG >> Check RAS control unit pin terminals for damage or loose connection with harness connector. If any item is damaged, repair or replace damaged parts. 1 - 2 : Approx. 4 - 6 Ω SGIA1412E SGIA1419E Continuity should exist. SGIA1490E |