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Home >> Lexus >> 2007 >> GX 470 >> Repair and Diagnosis >> Suspension >> Suspension Control Systems >> Suspension Control >> Air Suspension System >> Height Control Indicator Light Circuit >> Inspection Procedure

Inspection Procedure

  1. INSPECT HEIGHT CONTROL INDICATOR LIGHT 
    1. Turn the ignition switch to the ON position.
    2. Check that the height control indicator light comes on.

      OK: 

      Height control indicator light comes on, and then goes off after 2 seconds. 

    NG: GO TO  COMBINATION METER 

    OK: Go to next step 

  2. CHECK HARNESS AND CONNECTOR (SUSPENSION CONTROL ECU - COMBINATION METER) 
    1. Check for open and short circuit in the harness and the connector between the suspension control ECU and the combination meter (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE ).

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: REPLACE SUSPENSION CONTROL ECU 

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