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Steering Angle Sensor: Testing and Inspection

Fig. 7 AAS Control Unit Terminals A, C And D:





Fig. 8 Steering Wheel Test Positions:





Fig. 9 Angle Sensor Circuit Test Chart:





CIRCUIT

1. Remove rear seat and the control unit cover.
2. Disconnect AAS control unit connectors, then turn ignition switch to On position.
3. Check resistance of terminals, Fig. 7, while turning steering wheel, Fig. 8, as shown in test chart, Fig. 9.
4. If resistances are not as specified, check the angle sensor and wiring harness.

Fig. 10 Angle Sensor Terminal Identification:





Fig. 11 Angle Sensor Test Chart:





UNIT

Check resistance values between terminals, Fig. 10, as shown in test chart, Fig. 11.