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Home >> Lexus >> 2007 >> GS 450h >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Lighting >> Lighting System >> AFS OFF Switch Circuit >> Inspection Procedure
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Inspection Procedure

HINT:

The AFS OFF switch uses the multiplex communication system. First make sure that the multiplex communication system is functioning normally before performing troubleshooting on the AFS OFF switch.

  1. READ VALUE OF INTELLIGENT TESTER (AFS OFF SWITCH) 
    1. Connect the intelligent tester to (with CAN VIM) the DLC3.
    2. Turn the power switch ON (IG) and turn the intelligent tester main switch ON.
    3. Select the items below in the DATA LIST, and read the displays on the intelligent tester.

      Integration control and panel 

      DATA LIST

      Item Measurement Item / Display (Range) Normal Condition
      AFS OFF SW AFS OFF switch / ON or OFF ON: AFS switch ON
      OFF: AFS switch OFF

      OK: The display is as specified in the normal condition. 

    NG: REPLACE INTEGRATION CONTROL AND PANEL ASSEMBLY 

    OK: GO TO Next Step 

  2. READ VALUE OF INTELLIGENT TESTER (AFS OFF SWITCH) 
    1. Connect the intelligent tester to the DLC3.
    2. Turn the power switch ON (IG) and turn the intelligent tester main switch ON.
    3. Select the items below in the DATA LIST, and read the displays on the intelligent tester.

      AFS ECU 

      DATA LIST

      Item Measurement Item / Display (Range) Normal Condition
      AFS OFF SW AFS OFF switch / ON or OFF ON: AFS switch ON
      OFF: AFS switch OFF

      OK: The display is as specified in the normal condition. 

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

    OK: REPLACE COMBINATION METER ASSEMBLY