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Home >> Mazda >> 2008 >> MX-5 Miata Touring, Standard >> Repair and Diagnosis >> Body & Frame >> Windows >> Glass/Windows/Mirrors >> Power Window Main Switch Inspection[Power Retractable Hardtop] >> With Exterior Open function
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With Exterior Open function

  1. Measure the voltage at each terminal (other than terminals 1G, 1H, 2B and 2C).
    • 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. Inspect the power window main switch connector for continuity at terminal 1G.
  4. 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.
POWER WINDOW MAIN SWITCH INSPECTION CHART (WITH EXTERIOR OPEN FUNCTION)

Terminal Signal name Connected to Measured condition Voltage (V)/Continuity Inspection item (s)
1A Power supply P/W 20 A fuse Under any condition B+
  • P/W 20 A fuse
  • Related wiring harnesses
1B IG 1 IG KEY1 20 A fuse Ignition switch is at ON position B+
  • Inspect IG KEY1 20 A fuse
  • Related wiring harnesses
Ignition switch is at LOCK position 1.0 or less
1D Close output Power window motor While door glass is opening 1.0 or less
While door glass is closing B+
1F Open output Power window motor While door glass is opening B+
While door glass is closing 1.0 or less
1G GND Body ground Under any condition: Inspect for continuity to ground Continuity detected
  • GND
1H Communicati on Keyless control module Under any condition: Inspect for continuity to keyless control modul Continuity detected
  • Keyless control module
1I Close output Power window motor While door glass is opening 1.0 or less
While door glass is closing B+
1J Open output Power window motor While door glass is opening B+
While door glass is closing 1.0 or less
2C Communicati on Power retractable hardtop control module Under any condition: Inspect for continuity to power retractable hardtop Continuity detected
  • Power retractable hard top control module
2B Communicati on Power retractable hardtop control module Under any condition: Inspect for continuity to power retractable hardtop Continuity detected
  • Power retractable hard top control module
Fig 1: Power Window Main Switch Circuit Diagram (With Exterior Open Function)
G04931251Courtesy of MAZDA MOTORS CORP.