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.
2007 Mazda 5 L4-2.3LFACTORY OEM SERVICE PROCEDURE
Power Window Main Switch
POWER WINDOW MAIN SWITCH INSPECTION
Driver's Side

1. Measure the voltage at each terminal (other than terminal 1M).
- 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.
4. Inspect the power window main switch connector for continuity at terminal 1M.
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.
Except Driver's Side

1. When inspecting the passenger-side and rear power windows, turn the power-cut switch to UNLOCK.
2. Inspect for continuity between the power window main switch terminals.
- If not as specified, replace the power window main switch.
3. Connect battery positive voltage to terminal 1B and ground to terminal 1M. Verify that there is continuity.
- If not as specified, replace the power window main switch.
Driver's Side
1. Measure the voltage at each terminal (other than terminal 1M).
- 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.
4. Inspect the power window main switch connector for continuity at terminal 1M.
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.
Except Driver's Side
1. When inspecting the passenger-side and rear power windows, turn the power-cut switch to UNLOCK.
2. Inspect for continuity between the power window main switch terminals.
- If not as specified, replace the power window main switch.
3. Connect battery positive voltage to terminal 1B and ground to terminal 1M. Verify that there is continuity.
- If not as specified, replace the power window main switch.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
