Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMAZDA2011CX-7 I SV, 2.5 5REPAIR AND DIAGNOSISBODY & FRAMEWINDOWSGLASS/WINDOWS/MIRRORSPOWER WINDOW MAIN SWITCH INSPECTIONDRIVER'S SIDE
2011 Mazda CX-7 i SV, 2.5 5
Driver's Side
2011 Mazda CX-7 i SV, 2.5 5SECTION Driver's Side
- 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.
- Disconnect the negative battery cable.
- Inspect the power window main switch connector for continuity at terminal 1M and 2A.
- 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.VOLTAGE REFERENCE CHART
Terminal Signal name Connected to Measured condition Voltage (V) Inspection item (s) 1C ACC P.MIR 7.5 A fuse Ignition switch is at ACC position B+ - P.MIR 7.5 A fuse
- Related wiring harnesses
Ignition switch is at LOCK position 1.0 or less 1E IG1 P.WID 15 A fuse Ignition switch is at ON position B+ - P.WID 15 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+ - Power window subswitch (See POWER WINDOW SUBSWITCH INSPECTION )
- Related wiring harnesses
1G Communication Power window subswitch Terminal used for communication therefore determination based on terminal voltage inspection not possible. 1H Communication BCM Terminal used for communication therefore determination based on terminal voltage inspection not possible. 1I Close output Power window motor While door glass is opening 1.0 or less - Power window motor (See POWER WINDOW MOTOR INSPECTION .)
- Related wiring harnesses
While door glass is closing B+ 1K Open output Power window motor While door glass is opening B+ - Power window motor (See POWER WINDOW MOTOR INSPECTION .)
- Related wiring harnesses
While door glass is closing 1.0 or less 1M GND Body ground Under any condition 1.0 or less - GND
1N Power supply P.WIN 30 A fuse Under any condition B+ - P.WIN 30 A fuse
- Related wiring harnesses
2A Sensor ground Power window motor Under any condition 1.0 or less - Power window motor (See POWER WINDOW MOTOR INSPECTION .)
- Related wiring harnesses
2B Power supply Power window motor While IG ON or IG OFF timer works B+ - Power window motor (See POWER WINDOW MOTOR INSPECTION .)
- Related wiring harnesses
2C Pulse 1 Power window motor Door glass is not in motion 1.0 or less or B+ - Power window motor (See POWER WINDOW MOTOR INSPECTION .)
- Related wiring harnesses
Door glass is in motion Alternates between 0 and B+ 2D Pulse 2 Power window motor Door glass is in motion Alternates between 1.0 or less and B+ - Power window motor (See POWER WINDOW MOTOR INSPECTION .)
- Related wiring harnesses
Door glass is not in motion 1.0 or less or B+
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.