Diesel Data: Automotive Repair

Indicator Check





INDICATOR CHECK




a. Turn the power switch off.
b. While pressing both the AUTO and R/F (Recirculation/ Fresh) switches on the steering switch, turn the power switch on (READY) from off.




c. The indicator check is automatically performed when activating panel diagnosis. Check that all indicators and setting displays come on and go off 4 times at 1 second intervals.

Check that the buzzer sounds when the indicators come on.

HINT: The sensor check is automatically started when the indicator check is completed.

d. Push the "TEMP DOWN" switch to finish panel diagnosis.

ACTUATOR CHECK




a. Start the engine to warm it up.
b. Perform the indicator check.
c. Push the R/F (Recirculation/Fresh) switch to perform the actuator check when the sensor check is started after the indicator check.

HINT: Be sure to perform the actuator check with the power switch on (READY).

d. As the actuator check (continuous) is repeated from steps 0 to 9 at 1 second intervals, check the temperature and airflow visually and by hand.
e. If the steps are difficult to read because they change automatically, push the "Fr.DEF" switch to display the steps step by step so that they can be read easily. The items are displayed step by step each time the "Fr.DEF" switch is pushed.






HINT:
- The display blinks at 1 second intervals in the step operation.
- The illustration indicates that code 4 is output. Push the "TEMP-" switch to finish panel diagnosis.

HINT: Push the "AUTO" switch to enter the sensor check mode.