POWER WINDOW MAIN SWITCH INSPECTION

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1.  Switch the ignition to ON.

2.  Disconnect the negative battery cable.

3.  Remove the inner garnish. (driver's side) (See INNER GARNISH REMOVAL/INSTALLATION.)

4.  Remove the front door trim. (driver's side) (See FRONT DOOR TRIM REMOVAL/INSTALLATION.)

5.  Remove the main switch panel. (driver's side) (See FRONT DOOR TRIM DISASSEMBLY/ASSEMBLY.)

6.  Connect the power window main switch connector.

7.  Connect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZR 2.0, MZR 2.5].) (See BATTERY REMOVAL/INSTALLATION [MZR 2.3 DISI Turbo].) (See BATTERY REMOVAL/INSTALLATION [MZR 2.0 DISI i-stop].) (See BATTERY REMOVAL/INSTALLATION [MZ-CD 1.6].) (See BATTERY REMOVAL/INSTALLATION [MZR-CD 2.2].) (See BATTERY REMOVAL/INSTALLATION [SKYACTIV-G 2.0].) (See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].)

8.  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)

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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
			Other	1.0 or less
1D	Pulse 1	Power window motor (driver’s side)	Door glass (driver’s side) operating	Alternates between 1.0 or less and 5	•  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
			Other	1.0 or less
1F	Sensor power supply	Power window motor (driver’s side)	Switch the ignition to ON	B+	•  Power window motor (driver’s side) (See POWER WINDOW MOTOR INSPECTION.) •  Related wiring harness
			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
			Other	1.0 or less
1H	Pulse 2	Power window motor (driver’s side)	Door glass (driver’s side) operating	Alternates between 1.0 or less and 5	•  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
			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
			Other	1.0 or less
1K	Serial communication	BCM	Because this terminal is for communication, good/no good judgment by terminal voltage is not possible		•  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
			Other	1.0 or less
1M	IG1	P.WIND 30 A fuse	Switch the ignition to ON	B+	•  P.WIND 30 A fuse •  Related wiring harness
			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

L.H.D.

R.H.D.