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HOMESERVICE MANUALSTOYOTA20184RUNNER SR5, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOLLISION/AVOIDANCECRUISE CONTROL SYSTEM - DIAGNOSTIC CODES & CIRCUIT TESTSCRUISE CONTROL SYSTEMCRUISE MAIN INDICATOR LIGHT CIRCUIT [08/2015 - 08/2019]PROCEDURE
2018 Toyota 4Runner SR5, 4WD

Cruise Main Indicator Light Circuit [08/2015 - 08/2019]: Procedure

2018 Toyota 4Runner SR5, 4WDSECTION Procedure
  1. PERFORM ACTIVE TEST USING TECHSTREAM (CRUISE MAIN INDICATOR LIGHT) 
    1. Select the item below in the Active Test, and then check that the cruise main indicator light illuminates (Refer to DATA LIST / ACTIVE TEST [08/2015 - 08/2019] ).
      COMBINATION METER

      Tester Display Test Part Control Range Diagnostic Note
      Indicat. Lamp Cruise Cruise main indicator light ON/OFF -

      OK

      Indicator light turns on/off.

    Result: 

    NG 

    GO TO METER / GAUGE SYSTEM 

    (Refer to PROBLEM SYMPTOMS TABLE [08/2015 - 08/2019] )

    Result: 

    OK 

    See step  2

  2. READ VALUE USING TECHSTREAM (CRUISE CONTROL SWITCH) 
    1. Use the Data List to check if the cruise main indicator light is functioning properly (Refer to DATA LIST / ACTIVE TEST [08/2015 - 08/2019] ).
      CRUISE CONTROL

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      CCS Indicator M-CPU Cruise main indicator (Main CPU) / ON or OFF ON: Cruise main indicator light on
      OFF: Cruise main indicator light off      		 -

      OK

      On screen, item changes between ON and OFF according to above chart.

      RESULT

      Result Proceed to
      OK A
      NG B

    Result: 

    A 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

    (Refer to PROBLEM SYMPTOMS TABLE [08/2015 - 08/2019] )

    Result: 

    B 

    REPLACE ECM 

    (Refer to REMOVAL [08/2015 - ] )

RENDER: 1.0x

NO RELATED

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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