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Home >> Land Rover >> 2021 >> Range Rover SVAutobiography Dynamic Blk. >> Repair and Diagnosis >> Steering >> Steering Column -- Range Rover/L405 >> Steering Column (G1509121) >> Diagnosis And Testing >> Steering Column (G1878219) >> Pinpoint Tests >> Pinpoint Test F: Steering Wheel (Lin) Short Circuit Tests

Pinpoint Test F: Steering Wheel (Lin) Short Circuit Tests

  1. F1: STEERING WHEEL (LIN) SHORT CIRCUIT TEST 1 
    1. Refer to the appropriate service information and remove the driver airbag DRIVER AIRBAG MODULE
    2. Check the integrity of the wiring harness (clockspring to steering wheel heater control module)

      Is a wiring harness fault present?

      Yes:  Repair the harness as necessary

      No:  GO to  F2.

  2. F2: STEERING WHEEL (LIN) SHORT CIRCUIT TEST 2 
    WARNING: Do not probe or disconnect the airbag connector(s) during this test.
    1. Disconnect clockspring connector C2R115B
    2. Connect clockspring connector C2LS41H
    3. Refer to the appropriate service information and install the driver airbag DRIVER AIRBAG MODULE
    4. Connect the multimeter to clockspring connector C2LS41H terminal 4 and earth

      Does the multimeter display > 0V and < battery voltage?

      Yes:  Install a new steering wheel heater control module

      No:  Install a new clockspring