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Home >> Mazda >> 2009 >> CX-9 Touring, 3.7 A, AWD >> Repair and Diagnosis >> Body & Frame >> Windows >> Glass/Windows/Mirrors >> Power Window Main Switch Inspection >> Front Side
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Front Side

  1. Measure the voltage at each terminal (other than terminals 1M and 2A).
    • If the voltage is not as specified in the Terminal Voltage Table, inspect the parts under "inspection item(s)" and related wiring harnesses.
  2. Disconnect the negative battery cable.
  3. If the system does not work properly even though the inspection items or related wiring harnesses do not have any malfunction, replace the power window main switch.
    Fig 1: Identifying Power Window Main Switch Connector Terminal
    G04971119Courtesy of MAZDA MOTORS CORP.
    VOLTAGE SPECIFICATION

    Terminal Signal name Connected to Measured condition Voltage (V)/ Continuity Inspection item (s)
    1E IG 1 METER 10 A fuse Ignition switch is at ON position B+
    • Inspect METER 10 A fuse
    • Related wiring harnesses
    Ignition switch is at LOCK position 1.0 or less
    1F Power-cut signal Power window subswitch Ignition switch at ON and power-cut switch at UNLOCK B+
    1G Communication Power window subswitch Because this terminal is for communication, good/no good judgment by terminal voltage is not possible.
    1H Communication BCM Because this terminal is for communication, good/no good judgment by terminal voltage is not possible.
    1I Close output Power window motor While door glass is opening 1.0 or less
    While door glass is closing B+
    1K Open output Power window motor While door glass is opening B+
    While door glass is closing 1.0 or less
    1M GND Body ground Under any condition 1.0 or less
    • Related wiring harnesses
    1N Power supply P/W 30 A fuse Under any condition B+
    • P/W 30 A fuse
    • Related wiring harnesses
    2A Sensor ground Power window motor Under any condition 1.0 or less
    2B Power supply Power window motor While IG ON or IG OFF timer works B+
    2C Pulse 1 Power window motor Door glass is not in motion 0 or 5.0
    Door glass is in motion Alternates between 0 and 5.0
    2D Pulse 2 Power window motor Door glass is in motion Alternates between 0 and 5.0
    Door glass is not in motion 0 or 5.0