Trouble Code Access

Engine must be at normal operating temperature. Using jumper wire, ground Green, 1-pin check connector. On MPV, connector is located at left front corner of engine compartment. See Fig 1 . On B2600i, check connector is on right side fenderwell, near fuel filter and Green, 6-pin self-diagnostic connector. See Fig 2 .
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.
Turn ignition switch to ON position. The codes may be read by counting number of pulses of Malfunction Indicator Light (MIL). MIL is located under the engine symbol marked CHECK, in center of instrument cluster.
The code will be repeated, or other codes will be flashed if more than one is stored. See Fig 3 . If more than one code is stored, codes will be displayed in order of lowest to highest. See TROUBLE CODE IDENTIFICATION chart for diagnostic procedure.

Fig 1: Grounding Green 1-Pin Check Connector (MPV)

Courtesy of MAZDA MOTORS CORP.

Fig 2: Grounding Green 1-Pin Check Connector (B2200 & B2600i)

Courtesy of MAZDA MOTORS CORP.

Fig 3: Reading MIL Trouble Codes

Courtesy of MAZDA MOTORS CORP.