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Inspection Procedure

  1. CHECK DTC 
    1. Check for DTC (see DTC CHECK / CLEAR ).

      OK: 

      DTC is not output. 

    NG: GO TO FLOWCHART OF EACH DTC (See  DIAGNOSTIC TROUBLE CODE CHART  ) 

    OK: Go to next step 

  2. TEST MODE INSPECTION (MULTI INFORMATION DISPLAY) 
    1. Enter test mode (see TEST MODE PROCEDURE ).
    2. When switching to test mode, check if the test mode is displayed on the multi-information display of the combination meter.
      Fig 1: Identifying Combination Meter Warning Light Display
      G05296514Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Result 

    RESULT REFERENCE

    Result Proceed to
    Test mode is not displayed A
    Test mode is displayed B

    B: Go to  step  4

    A: Go to next step 

  3. CHECK HARNESS AND CONNECTOR (CAN COMMUNICATION LINE) 
    1. Disconnect the A58 front active stabilizer control ECU connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      RESISTANCE REFERENCE CHART

      Tester Connection Switch Condition Specified Condition
      A58-1 (LCN+) - A58-8 (LCN-) Engine switch off 54 to 69 Ω
      A58-2 (CANH) - A58-3 (CANL) Engine switch off
    Fig 2: Identifying A49 Front Active Stabilizer Control ECU Connector Terminal
    G05296459Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: GO TO METER / GAUGE SYSTEM (See  HOW TO PROCEED WITH TROUBLESHOOTING  ) 

  4. TEST MODE INSPECTION 
    1. Perform the test mode inspection (see TEST MODE PROCEDURE ).
  5. CHECK TEST MODE DTC 
    1. Check test mode DTC (see DTC CHECK / CLEAR ).

      OK: 

      DTC is not output. 

    NG: GO TO  TEST MODE PROCEDURE  ) 

    OK: END (NORMAL)