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Home >> Lexus >> 2003 >> GX 470 >> Repair and Diagnosis >> Suspension >> Electronic Suspension >> Electronic Modulated Suspension & Rear Air Suspension System - Diagnosis >> Pre-Check >> Active Test List

Active Test List

HINT:

Perform the ACTIVE TEST using the hand-held tester to operate the relays and other system components the relay and so on to operate without removing any parts. Performing the ACTIVE TEST is the first step of troubleshooting is one of the methods to shorten labor time. It is possible to display the DATA LIST during the ACTIVE TEST.

  1. Connect the hand-held tester to DLC3.
  2. Turn the ignition switch ON.
  3. Following the display on tester, perform the "ACTIVE TEST".
    ACTIVE TEST LIST

    Item Vehicle Condition/Test Details Diagnostic Note
    RR HEIGHT Turn height control switch/UP or DOWN -
    DAMPER FR Changes damper step/min.: 1 step, max.: 16 step Shock absorber hardens as damper step increases
    DAMPER FL Changes damper step/min.: 1 step, max.: 16 step Shock absorber hardens as damper step increases
    DAMPER RR Changes damper step/min.: 1 step, max.: 16 step Shock absorber hardens as damper step increases
    DAMPER RL Changes damper step/min.: 1 step, max.: 16 step Shock absorber hardens as damper step increases
    MOTOR RELAY Turn AIR SUS relay/ON or OFF Operation of motor can be heard
    LEVEL SOL REAR Turn leveling solenoid valve/ON or OFF Operation of solenoid (clicking sound) can be heard
    GATE SOL REAR Turn gate solenoid valve/ON or OFF Operation of solenoid (clicking sound) can be heard
    LOW PRS TNK SOL Turn tank solenoid valve/ON or OFF Operation of solenoid (clicking sound) can be heard