Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Lexus >> 2008 >> RX 400h AWD >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Cruise Control >> Cruise Control System >> Cruise Main Indicator Light Circuit >> Inspection Procedure

Inspection Procedure

  1. PERFORM ACTIVE TEST USING TECHSTREAM 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to the ON position.
    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: 

    DIAGNOSTIC NOTE

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

    OK: Indicator light comes on/goes off. 

    NG: REPLACE COMBINATION METER 

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

CCS: 

DIAGNOSTIC NOTE

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

OK: When cruise control main switch operation is performed, the result will be same as above. 

NG: REPLACE HYBRID VEHICLE CONTROL ECU 

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN  PROBLEM SYMPTOMS TABLE