DTC Check / Clear

DTC CHECK (SENSOR CHECK)
1. Start the engine and warm it up.
2. Perform the indicator check (See CHECK MODE PROCEDURE ).
  HINT:
  
  After the indicator check is completed, the system enters the DTC check mode automatically.
3. Read the DTC on the panel.
  NOTE:
  - In the sensor check mode, which is automatically transferred from the indicator check mode, troubleshooting may be partially performed. Be sure to perform the actuator check, and then the sensor check again.
  - If the check is performed in a dark place, DTC 21 or 24 may be displayed even though the system is normal.
    
    Fig 1: Locating DTC Check Mode Switch
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  HINT:
  
  Refer to the DTC CHART (Diagnostic Trouble Code chart) for details of the codes .
  - When there are no problems, DTC 00 is output.
  - As an example, the illustration shows that DTC 21 is output.
4. If the steps are difficult to read because they change automatically, push the "UPDr" switch to display the steps one at a time so that they can be read easily. The items are displayed step by step each time the "UPDr" switch is pushed.
  HINT:
  - Push the "OFF" switch to finish panel diagnosis.
  - Push the "R/F" switch to enter the actuator check mode.
    
    Fig 2: Locating UPDr Switch
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
CLEARING DTC
1. During the sensor check, press the "FRONT DEF" switch and "REAR DEF" switch at the same time.
  
  Fig 3: Locating FRONT DEF And REAR DEF Switch
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
DTC CHECK USING INTELLIGENT TESTER
1. Connect the intelligent tester to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the tester ON.
4. Enter the following menu items: DIAGNOSIS / OBD/ MOBD / DTC INFO / CURRENT CODES.
  HINT:
  
  Refer to the intelligent tester operator's manual for further details.
  
  Fig 4: Connecting Intelligent Tester To DLC3
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Check the details of the DTCs.
6. Clear the DTCs.
  HINT:
  
  After repairing the malfunctions, clear the DTCs.
  1. Connect the intelligent tester to the DLC3.
  2. Turn the engine switch on (IG).
  3. Enter the following menu items: DIAGNOSIS / OBD/MOBD / DTC INFO / CLEAR CODES.
    HINT:
    
    Refer to the intelligent tester operator's manual for further details.
  4. Press the YES button.