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Driver's Side

  1. Measure the voltage at each terminal (other than terminal J).
    • If the voltage is not as specified in the TERMINAL VOLTAGE TABLE , inspect the parts under "Inspection item (s)" and related wiring harnesses.
  2. Remove the battery cover.
  3. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [LF] .)
  4. Inspect the power window main switch connector for continuity at terminal J.
  5. 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 Harness-Side Connector
    G04323445Courtesy of MAZDA MOTORS CORP.
TERMINAL VOLTAGE TABLE

Terminal Signal name Connected to Measured condition Voltage (V)/Continuity Inspection Item (s)
B Open output Power window motor While door glass is opening B+
While door glass is closing 1.0 or less
G Close output Power window motor While door glass is opening 1.0 or less
While door glass is closing B+
I Power supply P/WIND 20A fuse Ignition switch at ON B+
  • P/WIND 20A fuse
  • Related wiring harnesses
J GND Body ground Under any condition: Inspect for continuity to ground Continuity detected
  • GND