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Trouble Code Access

  1. Engine must be at normal operating temperature. Using jumper wire, ground Green 1-pin check connector. On MPV, the connector is located at left front corner of engine compartment. See Fig 1 .
    NOTE: ECU constantly checks for malfunction of input devices. However, ECU only checks output devices for 3-second period after ignition is turned on and Green check connector is grounded.
    Fig 1: Grounding Green 1-Pin Check Connector (MPV)
    G117643Courtesy of MAZDA MOTORS CORP.
  2. Turn the ignition to "ON" position. The codes may be read by counting the number of pulses of the Malfunction Indicator Light (MIL). MIL is under the engine symbol marked "CHECK" in the center of the instrument cluster.
  3. The code will repeat or other codes will flash, if more than one is stored. See Fig 2 .
  4. If there is more than one code stored, the LOWEST numbered code will be displayed first. Remaining codes are displayed in order from lowest to highest. Refer to appropriate TROUBLE CODE IDENTIFICATION chart for diagnostic procedure.
    Fig 2: Reading MIL Trouble Codes
    G117644Courtesy of MAZDA MOTORS CORP.
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