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DTC Check / Clear

WARNING: This page is about a different car, the 2007 Lexus GS 350. However, it is still accessible from the selected car via links, so may be relevant.
  1. DTC CHECK (INTELLIGENT TESTER) 
    1. Check the DTCs.
      1. Connect the intelligent tester to the DLC3.
      2. Turn the engine switch on (IG).
      3. Check the DTCs by following the prompts on the tester screen.

        HINT:

        Refer to the intelligent tester operator's manual for further details.

    2. Clear the DTCs.
      1. Connect the intelligent tester to the DLC3.
      2. Turn the engine switch on (IG).
      3. Clear the DTCs by following the prompts on the tester screen.

        HINT:

        Refer to the intelligent tester operator's manual for further details.

    Fig 1: Connecting Intelligent Tester To DLC3
    G05295810Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. DTC CHECK (SST CHECK WIRE) 
    1. Check the DTCs.
      1. Using the SST, connect terminals TC and CG of the DLC3 (to be in the DTC output mode).

        SST 09843-18040 

      2. Turn the engine switch on (IG).
      3. "DIAG" is displayed on the multi-information display, and the 4WD control ECU checks the system for malfunctions.
        Fig 2: Identifying DLC3 Connector Terminals
        G05295806Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      4. If the 4WD control system is normal, "DIAG 4WD OK" will be displayed on the multi-information display (normal system code).
        Fig 3: Multi-Information Display - DIAG 4WD OK
        G05295807Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      5. If the 4WD control system is not normal, "DIAG 4WD XX (DTC)" will be displayed on the multi-information display.
      Fig 4: Multi-Information Display - DIAG 4WD XX(DTC)
      G05295808Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Clear the DTCs.
      1. Using SST, connect terminals TC and CG of the DLC3.

        SST 09843-18040 

      2. Turn the engine switch on (IG).
        Fig 5: Identifying DLC3 Connector Terminals
        G05295806Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      3. Clear the DTCs stored in the 4WD control ECU by depressing the brake pedal 8 times or more within 5 seconds.
      4. Check that the 4WD indicator light (multi-information display) indicated a "4WD OK".
      5. Turn the engine switch off.
      6. Remove the SST from the terminals of DLC3.
    Fig 6: Multi-Information Display - DIAG 4WD OK
    G05295807Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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