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On-Board Diagnostic (HVAC): Overview Mazda CX-9 I

Automatic HVAC System 12 illustrations ~335 words

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Scheme 61: Front
Scheme 61: Front

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Scheme 62: Rear
Scheme 62: Rear

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Scheme 63: DIAGNOSTIC TROUBLE CODE NUMBER INSPECTION
Scheme 63: DIAGNOSTIC TROUBLE CODE NUMBER INSPECTION
  1. Remove the dashboard under cover (passenger side). See «DASHBOARD UNDER COVER REMOVAL/INSTALLATION»(ref-345331-S05761886132009102000000) .
  2. Remove the glove compartment. See «GLOVE COMPARTMENT REMOVAL/INSTALLATION»(ref-345331-S00629389742009102000000) .
  3. Short the check connector terminal A to the ground using a jumper wire.
  4. 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 "02, 04".
  5. Turn the ignition switch to ON position.
  6. Read DTCs on the information display. Carry out DTC inspection, (present and past failure indication modes) When the system is normal, "00" will be indicated on the display. If any of the diagnostic trouble codes are indicated, carry out troubleshooting according to the code.
  7. After completion of repairs, erase all diagnostic trouble code(s) from memory. See «ERASING PAST FAILURE MEMORY»(ref-345359-S34852951112009102000000) .
  8. Remove the jumper wire.

Output Device Operation Check Table

OUTPUT DEVICE OPERATION CHECK CHART Step Operating device Operating conditions Monitor (1) Output to information display 1 Front climate control unit Entire illumination of climate control display Entire illumination of climate control display Information display 2 Blower motor speed 01 The front A/C airflow volume is displayed in the front airflow volume display area. 3 Air mix actuator operation 21.0 (100%) The display is the same as the set temperature display 20.5 (50%) 20.0 (0%) 4 Airflow mode actuator operation 03 The front A/C airflow mode is displayed in the front mode display area. The DEFROSTER switch indicator illuminates during DEFROSTER mode. The rear A/C airflow mode cannot be displayed. 5 Air intake actuator operation 04 The intake mode is displayed in the intake mode display area. The REC switch indicator illuminates during REC mode. "A/C" is displayed when the A/C is on. The A/C switch indicator illuminates during A/C ON. A/C compressor operation (1) Shown on the information display according to step

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Scheme 64: Output Device Operation Check Table
Scheme 64: Output Device Operation Check Table

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