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Diagnostic Trouble Code Number Inspection: Notes

WARNING: This page is about a different car, the 2004 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the glove compartment.
  2. Short the A/C check connector to the GND terminal using a jumper wire.
  3. Shine a 60 W  incandescent light from a height of approximately 100 mm {3.9 in}  onto the solar radiation sensor.
    NOTE:
    • If incandescent light is not shone on the solar radiation sensor, the climate control unit determines a malfunction and indicates a diagnostic trouble code "02".
    Fig 1: Connecting A/C Check Connector To Ground
    G01022122Courtesy of MAZDA MOTORS CORP.
  4. Turn the ignition switch to ON position.
  5. Read DTCs from the flashing of the rear defroster indicator light on the climate control unit. Carry out DTC inspection. (Present and past failure indication modes)
    • When the system is normal, the rear defroster indicator light does not flash.
    • If any of the diagnostic trouble codes are indicated, carry out troubleshooting according to the code.
  6. After completion of repairs, erase all diagnostic trouble code(s) from memory. See Erasing Past Failure Memory .
  7. Remove the jumper wire.