On-Board Diagnostic (HVAC): Overview Mazda CX-7 I рестайлинг

Scheme 1

Scheme 2

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) Select "Self Test". Select "Modules". Select "EATC". When using the PDS (Pocket PC) Select "Module Tests". Select "EATC". 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. (See «CLEARING DTC»(ref-375366-S14872743322010102800000) .)

A/C OPERATION CHECK MODE DISPLAY

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) Select the "Body". When using the PDS (Pocket PC) Select the "All Tests and Calibrations".
3. Select the "EATC Operation Check".
4. Perform the procedure according to the directions on the screen.

A/C OPERATION CHECK MODE TABLE

A/C OPERATION CHECK MODE REFERENCE CHART M-MDS display Target part Operation condition Illumination Of All Indicator lights Climate control unit All A/C indicator lights illuminated Blower Motor Speed Blower motor Air mix Actuator Air mix door Airflow Mode Actuator Airflow mode door Air Intake Actuator/Air conditioning compressor Air intake door A/C compressor FRESH <=> REC ON <=> OFF * : Shown on the information display (at the set temperature display) according to each M-MDS display