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Home >> Infiniti >> 2011 >> QX56 RWD >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> LAN System >> [Can] >> DTC/Circuit Diagnosis >> STRG Branch Line Circuit >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK CONNECTOR
    1. Turn the ignition switch OFF.
    2. Disconnect the battery cable from the negative terminal.
    3. Check the terminals and connectors of the steering angle sensor for damage, bend and loose connection (unit side and connector side).

      Is the inspection result normal? 

      YES: Go to 2.

      NO: Repair the terminal and connector.

  2. CHECK HARNESS FOR OPEN CIRCUIT
    1. Disconnect the connector of steering angle sensor.
    2. Check the resistance between the steering angle sensor harness connector terminals.
      RESISTANCE SPECIFICATION

      Steering angle sensor harness connector Resistance (Ω)
      Connector No. Terminal No.
      M30 5 2 Approx. 54 - 66

      Is the measurement value within the specification? 

      YES: Go to 3.

      NO: Repair the steering angle sensor branch line.

  3. CHECK POWER SUPPLY AND GROUND CIRCUIT

    Check the power supply and the ground circuit of the steering angle sensor. Refer to "WIRING DIAGRAM ".

    Is the inspection result normal? 

    YES (Present error): Replace the steering angle sensor. Refer to "REMOVAL AND INSTALLATION ".

    YES (Past error): Error was detected in the steering angle sensor branch line.

    NO: Repair the power supply and the ground circuit.

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