DTC Inspection HVAC

DTC INSPECTION

Reading DTCs Procedure

1. Connect the M-MDS to the DLC-2.






2. Expose the solar radiation sensor to natural sunlight.
NOTE:
- If natural sunlight is not shone on the solar radiation sensor, the climate control unit determines a malfunction and indicates DTC "B1260, B1261".

3. After the vehicle is identified, select the following items from the initialization screen of the M-MDS.

- When using the IDS (laptop PC)

1 Select "Self Test".
2 Select "Modules".
3 Select "EATC".

- When using the PDS (Pocket PC)

1 Select "Module Tests".
2 Select "EATC".
3 Select "Self Test".

4. Verify the DTC according to the directions on the screen.

- If any DTCs are displayed, perform troubleshooting according to the corresponding DTC inspection.

5. After completion of repairs, clear all DTCs stored in the climate control unit.

Clearing DTCs Procedures

1. Connect the M-MDS to the DLC-2.






2. After the vehicle is identified, select the following items from the initialization screen of the M-MDS.

- When using the IDS (laptop PC)

1 Select "Self Test".
2 Select "Modules".
3 Select "EATC".

- When using the PDS (Pocket PC)

1 Select "Module Tests".
2 Select "EATC".
3 Select "Self Test".

3. Verify the DTC according to the directions on the screen.

4. Press the clear button on the DTC screen to clear the DTC.

5. Verify that no DTCs are displayed.

A/C Operation Check Modes Procedure

1. Connect the M-MDS to the DLC-2.






2. After the vehicle is identified, select the following items from the initialization screen of the M-MDS.

- When using the IDS (laptop PC)

1 Select "Body".
2 Select "EATC Operation Check".

- When using the PDS (Pocket PC)

1 Select "All Tests and Calibrations".
2 Select "EATC Operation Check".

3. Verify the A/C operation check mode according to the directions on the screen.

A/C Operation Check Mode

A/C Operation Check Mode:

*
Shown on the information display (at the set temperature display) according to each M-MDS display.