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Home >> Toyota >> 2009 >> Tundra Base, 5.7 W >> Repair and Diagnosis >> External Pages >> Different car >> Section 86 (Cruise Control System) >> Dynamic Laser Cruise Control System >> Cruise Main Indicator Light Circuit >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2008 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
  1. PERFORM ACTIVE TEST USING TECHSTREAM 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Combination Meter / Active Test.
    5. Check the CRUISE main indicator light by performing the Active Test.

      Combination Meter 

      COMBINATION METER RANGE REFERENCE

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

    NG: REPLACE COMBINATION METER ASSEMBLY  (See REMOVAL )

    OK: Go to Next Step 

  2. READ VALUE USING TECHSTREAM 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream on.
    4. Enter the following menus: Powertrain / Laser Cruise / Data List.
    5. Check the Data List for proper functioning of the CRUISE main indicator light.

      ECM (Laser Cruise) 

      ECM RANGE REFERENCE

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      CCS Ready M-CPU Cruise control system standby condition (Main CPU) / ON or OFF Each time main switch is pushed, ON/OFF changes "1"
      CCS Indicator M-CPU Cruise indicator signal (Main CPU) / ON or OFF ON: "CRUISE" ON
      OFF: "CRUISE" OFF
      "2"

      OK: When the cruise control main switch is operated, the display changes as shown above. 

      Result 

      DTC RESULT REFERENCE

      Result Proceed to
      OK A
      NG (for 2UZ-FE) B
      NG (for 3UR-FE) C

      HINT:

      "1" is OK, but "2" is NG → DTC output or ECM failure

    B: REPLACE ECM  (See REMOVAL )

    C: REPLACE ECM  (See REMOVAL )

    A: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE  (See PROBLEM SYMPTOMS TABLE  )