Mazda 3 Service Manual: Power Window Main Switch Inspection

Mazda 3 Service Manual / Body / Glass & Windows / Power Window Main Switch Inspection

1. Disconnect the negative battery cable.

2. Remove the inner garnish. (driver's side).

3. Remove the front door trim. (driver's side).

4. Remove the main switch panel. (driver's side).

5. Connect the power window main switch connector.

6. Connect the negative battery cable..

7. Measure the voltage at each terminal.

If the voltage is not as specified in the terminal voltage table, inspect the parts under Inspection item (s) and related wiring harnesses.

If the system does not work normally even though the inspection items or related wiring harnesses do not have any malfunction, replace the power window main switch.

Terminal Voltage Table (Reference)


Terminal	Signal name	Connected to	Measurement condition	Voltage (V)	Inspection item (s)
1A	Sensor ground	Power window motor (driver’s side)	Under any condition	1.0 or less	Power window motor (driver’s side) (See POWER WINDOW MOTOR INSPECTION.) Related wiring harness
1B	GND	Body ground	Under any condition	1.0 or less	Related wiring harness
1C	Rear right side window close signal	Power window motor (rear right side)	Door glass (rear right side) closing	B+	Power window motor (rear right side) (See POWER WINDOW MOTOR INSPECTION.) Related wiring harness
1C	Rear right side window close signal	Power window motor (rear right side)	Other	1.0 or less
1D	Pulse 1	Power window motor (driver’s side)	Door glass (driver’s side) operating	5 or less	Power window motor (driver’s side) (See POWER WINDOW MOTOR INSPECTION.) Related wiring harness
1E	Rear right side window open signal	Power window motor (rear right side)	Door glass (rear right side) opening	B+	Power window motor (rear right side) (See POWER WINDOW MOTOR INSPECTION.) Related wiring harness
1E	Rear right side window open signal	Power window motor (rear right side)	Other	1.0 or less
1F	Sensor power supply	Power window motor (driver’s side)	Switch the ignition to ON	5	Power window motor (driver’s side) (See POWER WINDOW MOTOR INSPECTION.) Related wiring harness
1F	Sensor power supply	Power window motor (driver’s side)	Switch the ignition to Off	1.0 or less
1G	Rear left side window open signal	Power window motor (rear left side)	Door glass (rear left side) opening	B+	Power window motor (rear left side) (See POWER WINDOW MOTOR INSPECTION.) Related wiring harness
1G	Rear left side window open signal	Power window motor (rear left side)	Other	1.0 or less
1H	Pulse 2	Power window motor (driver’s side)	Door glass (driver’s side) operating	5 or less	Power window motor (driver’s side) (See POWER WINDOW MOTOR INSPECTION.) Related wiring harness
1I	Rear left side window close signal	Power window motor (rear left side)	Door glass (rear left side) closing	B+	Power window motor (rear left side) (See POWER WINDOW MOTOR INSPECTION.) Related wiring harness
1I	Rear left side window close signal	Power window motor (rear left side)	Other	1.0 or less
1J	Driver’s side window close signal	Power window motor (driver’s side)	Door glass (driver’s side) closing	B+	Power window motor (driver’s side) (See POWER WINDOW MOTOR INSPECTION.) Related wiring harness
1J	Driver’s side window close signal	Power window motor (driver’s side)	Other	1.0 or less
1K	Door open/close signal	BCM	Any door is open	1.0 or less	BCM Related wiring harness
1K	Door open/close signal	BCM	All door is close	B+	BCM Related wiring harness
1L	Driver’s side window open signal	Power window motor (driver’s side)	Door glass (driver’s side) opening	B+	Power window motor (driver’s side) (See POWER WINDOW MOTOR INSPECTION.) Related wiring harness
1L	Driver’s side window open signal	Power window motor (driver’s side)	Other	1.0 or less
1M	IG1	Ignition switch Power window relay P.WIND 30 A fuse	Switch the ignition to ON	B+	Ignition switch Power window relay P.WIND 30 A fuse Related wiring harness
1M	IG1	Ignition switch Power window relay P.WIND 30 A fuse	Switch the ignition to Off	1.0 or less
1N	Power supply	P.WIND 25 A fuse	Under any condition	B+	P.WIND 25 A fuse Related wiring harness
2A	Power outer mirror (RH) up/down/left/right signal	Power outer mirror (RH)	Inspect the power outer mirror switch. (See POWER OUTER MIRROR SWITCH INSPECTION.)
2B	Power outer mirror (LH) left/right signal	Power outer mirror (LH)	Inspect the power outer mirror switch. (See POWER OUTER MIRROR SWITCH INSPECTION.)
2C	Power outer mirror (LH) up/down signal Power outer mirror (RH) up/down signal	Power outer mirror (LH) Power outer mirror (RH)	Inspect the power outer mirror switch. (See POWER OUTER MIRROR SWITCH INSPECTION.)
2D	Power outer mirror (LH) up/down/left/right signal	Power outer mirror (LH)	Inspect the power outer mirror switch. (See POWER OUTER MIRROR SWITCH INSPECTION.)
2E	GND	Body ground	Under any condition	1.0 or less	Related wiring harness
2F	ACC	Ignition switch ACC relay MIRROR 10 A fuse	Switch the ignition to ACC	B+	Ignition switch ACC relay MIRROR 10 A fuse Related wiring harness
2F	ACC	Ignition switch ACC relay MIRROR 10 A fuse	Switch the ignition to Off	1.0 or less
2G	—	—	—	—	—
2H	Power outer mirror (RH) left/right signal	Power outer mirror (RH)	Inspect the power outer mirror switch. (See POWER OUTER MIRROR SWITCH INSPECTION.)
2I	—	—	—	—	—
2J	—	—	—	—	—
2K	Passenger’s side window open signal	Power window motor (passenger’s side)	Door glass (passenger’s side) opening	B+	Power window motor (passenger’s side) (See POWER WINDOW MOTOR INSPECTION.) Related wiring harness
2K	Passenger’s side window open signal	Power window motor (passenger’s side)	Other	1.0 or less
2L	Passenger’s side window close signal	Power window motor (passenger’s side)	Door glass (passenger’s side) closing	B+	Power window motor (passenger’s side) (See POWER WINDOW MOTOR INSPECTION.) Related wiring harness
2L	Passenger’s side window close signal	Power window motor (passenger’s side)	Other	1.0 or less

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