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STC-36 [RAS] TROUBLE DIAGNOSIS 3. CHECK (2): REAR WHEEL STEERING ANGLE SENSOR POWER SUPPLY AND GROUND CIRCUIT 1. Turn ignition switch OFF, disconnect rear wheel steering angle sensor harness connector and RAS control 2. Check continuity between the following terminals. – Rear wheel steering angle sensor harness connector B133 ter- – Rear wheel steering angle sensor harness connector B133 ter- OK or NG OK >> RAS control unit malfunction. Replace RAS control unit. NG >> Harness between rear wheel steering angle sensor and RAS control unit open or shorted. Repair or replace harness. 4. CHECK REAR WHEEL STEERING ANGLE SENSOR OUTPUT SIGNAL 1. Connect rear wheel steering angle sensor harness connector B133. 2. Check voltage RAS control unit harness connector B136 when ° . CAUTION: There is approximately 1 V or more difference between main output and sub output at straight-ahead position, inspection OK or NG OK >> RAS control unit malfunction. Replace RAS control unit. NG >> GO TO 5. Continuity should exist. SGIA1733E SGIA1275E Steering condition Rear wheel steering angle sensor Rear main output Terminal 4 (+) - 15 (-) Rear sub output Terminal 7 (+) - 15 (-) Straight-ahead (neutral position) Approx. 2.4 V Approx. 2.4 V Turn wheel to the right by 180 ° Approx. 4.4 V Approx. 4.4 V Turn wheel to the left by 180 ° Approx. 0.4 V Approx. 0.4 V |