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DTC Check / Clear








AIR CONDITIONING SYSTEM: DTC CHECK / CLEAR

DTC CHECK / CLEAR

1. DTC CHECK USING INTELLIGENT TESTER






(a) Connect the intelligent tester to the DLC3.

(b) Turn the ignition switch ON.
(c) Turn the tester ON.
(d) Enter the following menu items: DIAGNOSIS / OBD/MOBD / DTC INFO / CURRENT CODES.
HINT: Refer to the intelligent tester operator's manual for further details.

(e) Check the details of the DTCs.
(f) Clear the DTCs.
HINT: After repairing the malfunctions, clear the DTC.
(1) Connect the intelligent tester to the DLC3.
(2) Turn the ignition switch ON.
(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.
2. DTC CHECK (SENSOR CHECK)
(a) Start the engine and warm it up.
(b) Perform the indicator check Check Mode Procedure.
HINT: After the indicator check is completed, the system enters the DTC check mode automatically.





(c) Read the codes displayed on the panel. Refer to the list of codes when reading the codes. (Trouble codes are output on the temperature display.)
- 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.
- When there are no problems, DTC 00 is output.
- Refer to the DTC chart (Diagnostic Trouble Code chart) for details of the codes. Air Conditioning System





(d) 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.

3. CLEARING DTC






(a) During the sensor check, press the "FRONT DEF" switch and "REAR DEF" switch at the same time.
HINT: After repairing the malfunctions, clear the DTC.