Control System (Body Control Module) — Mazda CX-9 I рестайлинг (2012-2016)

Scheme 25

Scheme 25: CONTROL SYSTEM LOCATION INDEX

Scheme 26

Scheme 26: BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION

Disconnect the negative battery cable.
Remove the front scuff plate inner (LH). (See «FRONT SCUFF PLATE REMOVAL/INSTALLATION» )
Remove the front side trim (LH). (See «FRONT SIDE TRIM REMOVAL/INSTALLATION».)
Remove the dashboard under cover. (Driver side) (See «DASHBOARD UNDER COVER REMOVAL/INSTALLATION».)
Set the hood release lever out of the way. (See «HOOD LATCH AND RELEASE LEVER REMOVAL/INSTALLATION».)
Remove in the order indicated in the illustration.
Install in the reverse order of removal.

Scheme 27

Scheme 27: Dashboard Wiring Harness C Removal Note

As shown in the illustration, lift the tab in the direction of the arrow (1) using a tape-wrapped flathead screwdriver, and while keeping it lifted, pull it in the direction of the arrow (2) to remove.

Scheme 28

Scheme 28: BCM Removal Note

Raise the lower part of the BCM in the direction shown in the illustration and remove the pin with the BCM level.

BODY CONTROL MODULE (BCM) INSPECTION

Remove the front scuff plate inner (LH). (See «FRONT SCUFF PLATE REMOVAL/INSTALLATION» )
Remove the front side trim (LH). (See «FRONT SIDE TRIM REMOVAL/INSTALLATION».)
Remove the dashboard under cover. (Driver side) (See «DASHBOARD UNDER COVER REMOVAL/INSTALLATION».)
Set the hood release lever out of the way. (See «HOOD LATCH AND RELEASE LEVER REMOVAL/INSTALLATION».)
Remove the BCM with the connector connected.
Measure the voltage at each terminal is as indicated in the Terminal Voltage Tables. (See «Terminal Voltage Table (Reference)»(/mazda/cx-9/i-2012-2016/remont/communication-devices/#control-system-body-control-module) ) If the voltage is not as specified in the Terminal Voltage Table, inspect the parts under "Inspection item (s)". If the system does not work properly even though the parts or related wiring harnesses do not have any malfunction, replace the BCM.

Scheme 29

Scheme 29: Terminal Voltage Table (Reference)

Terminal	Signal	Connected to	Measurement condition		Voltage (V)	Inspection item (s)
1A	Oil pressure switch signal	Oil pressure switch	Ignition switch at ON	When the engine is running (oil pressure switch on)	1.0 or less	Oil pressure switch Related wiring harnesses
1A	Oil pressure switch signal	Oil pressure switch	Ignition switch at ON	When the engine is not running (oil pressure switch off)	B+	Oil pressure switch Related wiring harnesses
1B (1)	Hood latch switch signal	Hood latch switch	Hood open (Hood latch switch off)		Wave pattern (See PATTERN 2 .)	Hood latch switch Related wiring harnesses
1B (1)	Hood latch switch signal	Hood latch switch	Hood closed (Hood latch switch on)		1.0 or less	Hood latch switch Related wiring harnesses
1C	Washer level signal	Washer fluid-level sensor	Ignition switch at ON	Washer level below MIN.	1.0 or less	Washer fluid-level sensor Related wiring harnesses
1C	Washer level signal	Washer fluid-level sensor	Ignition switch at ON	Washer level above MIN.	B+	Washer fluid-level sensor Related wiring harnesses
1D	Brake fluid level signal	Brake fluid level sensor	Ignition switch at ON	Brake fluid level below MIN.	1.0 or less	Brake fluid level sensor Related wiring harnesses
1D	Brake fluid level signal	Brake fluid level sensor	Ignition switch at ON	Brake fluid level above MIN.	B+	Brake fluid level sensor Related wiring harnesses
1E (1)	Lock/unlock input (passenger-side door lock-link switch)	Passenger-side door lock-link switch PLG control module (with PLG system)	Passenger-side door locked		With PLG system Wave pattern (See PATTERN 5 .)	Passenger-side door lock-link switch PLG control module (with PLG system) Related wiring harnesses
			Passenger-side door locked		Without PLG system Wave pattern (See PATTERN 1 .)
			Passenger-side door unlocked		1.0 or less
1F	Front turn light (LH) control	Front turn light (LH)	Turn switch (LH) on	Front turn light (LH) flashes	Alternates between 1.0 or less and B+	Front turn light (LH) Related wiring harnesses
			Hazard warning switch on	Front turn light (LH) flashes	Alternates between 1.0 or less and B+
			Other		1.0 or less
1G	Front turn light (RH) control	Front turn light (RH)	Turn switch (RH) on	Front turn light (RH) flashes	Alternates between 1.0 or less and B+	Front turn light (RH) Related wiring harnesses
			Hazard warning switch on	Front turn light (RH) flashes	Alternates between 1.0 or less and B+
			Other		1.0 or less
1H	Lock/unlock signal	Door lock switch (passenger side)	Door lock switch (passenger side) is pressed to lock.		Approx. 2.2	Door lock switch (passenger side) Related wiring harnesses
			Door lock switch (passenger side) is pressed to unlock.		1.0 or less
			Other		Approx. 4.6
1I	Front side turn light (RH) control	Front side turn light (RH)	Turn switch (RH) on	Front side turn light (RH) flashes	Alternates between 1.0 or less and B+	Front side turn light (RH) Related wiring harnesses
			Hazard warning switch on	Front side turn light (RH) flashes	Alternates between 1.0 or less and B+
			Other		1.0 or less
1J	CAN_L	CAN system related module	Because this terminal is for communication, good/no good judgment by terminal voltage is not possible.
1K	Parking brake switch signal	Parking brake switch	Ignition switch at ON	Parking brake switch on	1.0 or less	Parking brake switch Related wiring harnesses
1K	Parking brake switch signal	Parking brake switch	Ignition switch at ON	Parking brake switch off	B+	Parking brake switch Related wiring harnesses
1L	CAN_H	CAN system related module	Because this terminal is for communication, good/no good judgment by terminal voltage is not possible.
1M	Back-up light power supply	Back-up light relay	Ignition switch at ON	The selector lever is in the R position	B+	Back-up light relay Back-up light Related wiring harnesses
1M	Back-up light power supply	Back-up light relay	Ignition switch at ON	Other	1.0 or less	Back-up light relay Back-up light Related wiring harnesses
1N	Power supply	Air intake actuator Blower relay Rear blower relay Rear window defroster relay	Ignition switch at ON		B+	Air intake actuator Blower relay Rear blower relay Rear window defroster relay Related wiring harnesses
1N	Power supply		Ignition switch off		1.0 or less
1O	Horn control	Horn relay	Transmitter LOCK button is pressed twice within 5 s.		B+ --> 1.0 or less --> B+	Horn relay Related wiring harnesses
1O	Horn control	Horn relay	Other		B+	Horn relay Related wiring harnesses
1P
2A	Interior light power supply	ROOM 15A fuse	Under any condition		B+	ROOM 15A fuse Related wiring harnesses
2B	Hazard power supply	HAZARD 15A fuse	Under any condition		B+	HAZARD 15A fuse Related wiring harnesses
2C	Courtesy light power supply	Courtesy light (RH)	Under any condition		B+	Courtesy light (RH) Related wiring harnesses
2D	Rear washer motor power supply	Rear washer motor	Ignition switch at ON		B+	Ignition switch Rear washer motor Related wiring harnesses
2D	Rear washer motor power supply	Rear washer motor	Ignition switch off		1.0 or less	Ignition switch Rear washer motor Related wiring harnesses
2E	Courtesy light (RH) control	Courtesy light (RH)	Courtesy light on by opening any door	Courtesy light off by closing all doors	Wave pattern (See PATTERN 4 .)	METER 10 A fuse Courtesy light (RH) Related wiring harnesses
2F	Power supply	Back-up light relay position memory control module (4)	Ignition switch at ON		B+	Back-up light relay Position memory control module (4) Related wiring harnesses
2F	Power supply	Back-up light relay position memory control module (4)	Ignition switch off		1.0 or less
2G	Signal GND	Body ground	Under any condition		1.0 or less	Related wiring harnesses
2H	Door lock control (passenger side)	Door lock actuator	Door lock actuator locking		1.0 or less --> B+ --> 1.0 or less	Door lock actuator (passenger side) Related wiring harnesses
2H	Door lock control (passenger side)	Door lock actuator	Other		1.0 or less
2I	Light control	Front side marker light/parking light (LH)	Light switch at TNS		B+	TNS relay Related wiring harnesses
2I	Light control	Front side marker light/parking light (LH)	Light switch off		1.0 or less	TNS relay Related wiring harnesses
2J
2K	Light control	Front side marker light/parking light (RH)	Light switch at TNS		B+	TNS relay Related wiring harnesses
2K	Light control	Front side marker light/parking light (RH)	Light switch off		1.0 or less	TNS relay Related wiring harnesses
2L	Door unlock control (passenger side)	Door lock actuator	Door lock actuator unlocking		1.0 or less --> B+ --> 1.0 or less	Door lock actuator (passenger side) Related wiring harnesses
2L	Door unlock control (passenger side)	Door lock actuator	Other		1.0 or less
2M	IG1	DSC/SCR HU/CM	Ignition switch at ON		B+	DSC/SCR HU/CM Related wiring harnesses
2M	IG1	DSC/SCR HU/CM	Ignition switch off		1.0 or less	DSC/SCR HU/CM Related wiring harnesses
2N	Power GND	Body ground	Under any condition		1.0 or less	Related wiring harnesses
2O	Rear washer motor control	Rear washer motor	Ignition switch at ON	Rear washer switch on	1.0 or less	Rear washer motor Related wiring harnesses
2O	Rear washer motor control	Rear washer motor	Ignition switch at ON	Rear washer switch off	B+	Rear washer motor Related wiring harnesses
2P	Power door lock power supply	D/L 25A fuse	Under any condition		B+	D/L 25A fuse Related wiring harnesses
3A	Parking brake switch output signal	Audio/car-navigation unit (6) Auto light/wiper control module (9)	Ignition switch at ON	Parking brake switch on	1.0 or less	Audio unit (6) Auto light/wiper control module (9) Related wiring harnesses
3A	Parking brake switch output signal		Ignition switch at ON	Parking brake switch off	B+
3B	Serial communication	Keyless control module (with advanced keyless system) Keyless receiver (with keyless entry system)	Because this terminal is for communication, good/no good judgment by terminal voltage is not possible.
3C
3D	Turn switch input (LH)	Turn switch	Ignition switch at ON	Turn switch at left position	1.0 or less	Turn switch Related wiring harnesses
3D	Turn switch input (LH)	Turn switch	Ignition switch at ON	Other	B+	Turn switch Related wiring harnesses
3E	Driver-side door key cylinder switch signal	Driver-side door key cylinder switch	At the moment key cylinder is unlocked		1.0 or less	Driver-side door key cylinder switch Related wiring harnesses
			At the moment key cylinder is locked		Approx. 2.1
			Other		Approx. 4.6
3F
3G	Turn switch input (RH)	Turn switch	Ignition switch at ON	Turn switch at right position	1.0 or less	Turn switch Related wiring harnesses
3G	Turn switch input (RH)	Turn switch	Ignition switch at ON	Other	B+	Turn switch Related wiring harnesses
3H
3I
3J	Serial communication	Power window main switch	Because this terminal is for communication, good/no good judgment by terminal voltage is not possible.
3K (5)	Serial communication	Sunroof motor	Because this terminal is for communication, good/no good judgment by terminal voltage is not possible.
3L
3M (1)	Security light control	Instrument cluster	Security light on		1.0 or less	Instrument cluster Related wiring harnesses
3M (1)	Security light control	Instrument cluster	Security light off		B+	Instrument cluster Related wiring harnesses
3N	Steering angle sensor GND	Steering angle sensor	Under any condition		1.0 or less	Related wiring harnesses
3O
3P	Rear wiper switch signal (on)	Windshield wiper and washer switch	Ignition switch at ON	Rear wiper switch at ON position	1.0 or less	Windshield wiper and washer switch Related wiring harnesses
3P	Rear wiper switch signal (on)	Windshield wiper and washer switch	Ignition switch at ON	Other	B+	Windshield wiper and washer switch Related wiring harnesses
3Q	Rear wiper switch signal (INT)	Windshield wiper and washer switch	Ignition switch at ON	Rear wiper switch at INT position	1.0 or less	Windshield wiper and washer switch Related wiring harnesses
3Q	Rear wiper switch signal (INT)	Windshield wiper and washer switch	Ignition switch at ON	Other	B+	Windshield wiper and washer switch Related wiring harnesses
3R	Lock/unlock signal	Door lock switch (driver side)	Door lock switch (driver side) is pressed to lock.		Approx. 2.1	Door lock switch (driver-side) Related wiring harnesses
			Door lock switch (driver side) is pressed to unlock.		1.0 or less
			Other		Approx. 4.6
3S	Steering angle sensor signal (B)	Steering angle sensor	Turn the steering wheel to the left and right.		Alternates between 4.00-4.75 and 0.25-0.75	Related wiring harnesses
3T	Steering angle sensor signal (C)	Steering angle sensor	Turn the steering wheel to the left and right.		Alternates between 4.00-4.75 and 0.25-0.75	Related wiring harnesses
3U	Horn switch signal	Horn switch	Horn switch off		B+	Horn switch Clock spring Related wiring harnesses
3U	Horn switch signal	Horn switch	Horn switch on		1.0 or less	Horn switch Clock spring Related wiring harnesses
3V	Steering angle sensor power supply	Steering angle sensor	Specified time elapsed since key removal and all doors closed		Wave pattern (See PATTERN 3 .)	Steering angle sensor Related wiring harnesses
3V	Steering angle sensor power supply	Steering angle sensor	Other		Approx. 5	Steering angle sensor Related wiring harnesses
3W	Steering angle sensor signal (A)	Steering angle sensor	Turn the steering wheel to the left and right.		Alternates between 4.00-4.75 and 0.25-0.75	Related wiring harnesses
3X	Steering angle sensor signal (Z)	Steering angle sensor	Turn the steering wheel to the left and right.		Alternates between 4.00-4.75 and 0.25-0.75	Related wiring harnesses
3Y	Front side turn light (LH) control	Front side turn light (LH)	Turn switch (LH) on	Front side turn light (LH) flashes	Alternates between 1.0 or less and B+	Front side turn light (LH) Related wiring harnesses
			Hazard warning switch on	Front side turn light (LH) flashes	Alternates between 1.0 or less and B+
			Other		1.0 or less
3Z	CAN_L	CAN system related module	Because this terminal is for communication, good/no good judgment by terminal voltage is not possible.
3AA	CAN_H	CAN system related module	Because this terminal is for communication, good/no good judgment by terminal voltage is not possible.
3AB	Ignition key illumination control	Ignition key illumination	Ignition switch off and driver-side door opened.		1.0 or less	Ignition key illumination Related wiring harnesses
3AB	Ignition key illumination control	Ignition key illumination	15 s or more after all doors closed.		B+	Ignition key illumination Related wiring harnesses
3AC (7)	CAN_L	CAN system related module	Because this terminal is for communication, good/no good judgment by terminal voltage is not possible.
3AD (7)	CAN_H	CAN system related module	Because this terminal is for communication, good/no good judgment by terminal voltage is not possible.
4A	BCM power supply	METER 10 A fuse	Under any condition		B+	METER 10 A fuse Related wiring harnesses
4B	Courtesy light (LH) control	Courtesy light (LH)	Courtesy light on by opening any door	Courtesy light off by closing all doors	Wave pattern (See PATTERN 4 .)	METER 10 A fuse Courtesy light (LH) Related wiring harnesses
4C
4D	IG1	SAS 7.5 A fuse	Ignition switch at ON		B+	SAS 7.5 A fuse Related wiring harnesses
4D	IG1	SAS 7.5 A fuse	Ignition switch off		1.0 or less	SAS 7.5 A fuse Related wiring harnesses
4E	TNS signal	TAIL 10 A fuse	Light switch at TNS position		B+	TNS relay TAIL 10A fuse Related wiring harnesses
4E	TNS signal	TAIL 10 A fuse	Light switch off		1.0 or less	TNS relay TAIL 10A fuse Related wiring harnesses
4F	ACC	Mirror 7.5 A fuse	Ignition switch at ACC		B+	Mirror 7.5 A fuse Related wiring harnesses
4F	ACC	Mirror 7.5 A fuse	Ignition switch off		1.0 or less	Mirror 7.5 A fuse Related wiring harnesses
5A	IG2	R.WIPER 15A fuse	Ignition switch at ON		B+	R.WIPER 15A fuse Related wiring harnesses
5A	IG2	R.WIPER 15A fuse	Ignition switch off		1.0 or less	R.WIPER 15A fuse Related wiring harnesses
5B
5C
5D	Power supply	Keyless control module (with advanced keyless system) Keyless receiver (with keyless entry system)	Under any condition		B+	Keyless control module (with advanced keyless system) Keyless receiver (with keyless entry system) Related wiring harnesses
5E	Door unlock control (driver side)	Door lock actuator	Door lock actuator unlocking		1.0 or less --> B+ --> 1.0 or less	Door lock actuator (driver side) Related wiring harnesses
5E	Door unlock control (driver side)	Door lock actuator	Other		1.0 or less	Door lock actuator (driver side) Related wiring harnesses
5F	Power supply	Bluetooth unit auto light/wiper control module	Under any condition		B+	Bluetooth unit auto light/wiper control module Related wiring harnesses
5G
5H	Interior light power supply	Courtesy light (LH) Instrument cluster Audio unit	Under any condition		B+	Courtesy light (LH) Instrument cluster Audio unit Related wiring harnesses
5I	Door lock control (driver side)	Door lock actuator	Door lock actuator locking		1.0 or less --> B+ --> 1.0 or less	Door lock actuator (driver side) Related wiring harnesses
5I	Door lock control (driver side)	Door lock actuator	Other		1.0 or less	Door lock actuator (driver side) Related wiring harnesses
5J (6)	Back-up light signal	Car-navigation unit	Ignition switch at ON	The selector lever is in the R position	B+	Car-navigation unit Related wiring harnesses
5J (6)	Back-up light signal	Car-navigation unit	Ignition switch at ON	Other	1.0 or less	Car-navigation unit Related wiring harnesses
5K	Unlock input (Driver-side door lock-link switch)	Driver-side door lock-link switch	Driver-side door locked		Wave pattern (See PATTERN 2 .)	Driver-side door lock-link switch Related wiring harnesses
5K	Unlock input (Driver-side door lock-link switch)	Driver-side door lock-link switch	Driver-side door unlocked		1.0 or less	Driver-side door lock-link switch Related wiring harnesses
5L	IG2	A/C 7.5 A fuse	Ignition switch at ON		B+	A/C 7.5 A fuse Battery Related wiring harnesses
5L	IG2	A/C 7.5 A fuse	Ignition switch off		1.0 or less	A/C 7.5 A fuse Battery Related wiring harnesses
5M	Hazard warning switch signal	Hazard warning switch	Hazard warning switch on		1.0 or less	Hazard warning switch Related wiring harnesses
5M	Hazard warning switch signal	Hazard warning switch	Hazard warning switch off		Approx. 4.6	Hazard warning switch Related wiring harnesses
5N	Lock input (Driver-side door lock-link switch) (without advanced keyless entry and start system)	Driver-side door lock-link switch	Driver-side door locked		1.0 or less	Driver-side door lock-link switch Related wiring harnesses
		Driver-side door lock-link switch	Driver-side door unlocked		Wave pattern (See PATTERN 2 .)	Driver-side door lock-link switch Related wiring harnesses
	Lock input (Driver-side door lock-link switch) (with advanced keyless entry and start system)	Driver-side door lock-link switch Keyless control module	Driver-side door locked		1.0 or less	Driver-side door lock-link switch Keyless control module Related wiring harnesses
		Driver-side door lock-link switch Keyless control module	Driver-side door unlocked		Approx. 4.6
5O	Rear washer switch signal	Windshield wiper and washer switch	Ignition switch at ON	Rear washer switch on	1.0 or less	Windshield wiper and washer switch Related wiring harnesses
5O	Rear washer switch signal	Windshield wiper and washer switch	Ignition switch at ON	Rear washer switch off	B+	Windshield wiper and washer switch Related wiring harnesses
5P	Key reminder switch signal	Steering lock unit (with advanced keyless system) Key reminder switch (with keyless entry system)	Key inserted		B+	Steering lock unit (with advanced keyless system) Key reminder switch (with keyless entry system) Related wiring harnesses
5P	Key reminder switch signal		Key removed		1.0 or less
6A	Rear turn light (RH) control	Rear turn light (RH)	Turn switch (RH) on	Rear turn light (RH) flashes	Alternates between 1.0 or less and B+	Rear turn light (RH) Related wiring harnesses
			Hazard warning switch on	Rear turn light (RH) flashes	Alternates between 1.0 or less and B+
			Other		1.0 or less
6B	Light control	Taillight No. 1/rear side marker light (RH)/ taillight	Light switch at TNS position		B+	TNS relay BCM Related wiring harnesses
6B	Light control	Taillight No. 1/rear side marker light (RH)/ taillight	Light switch off		1.0 or less	TNS relay BCM Related wiring harnesses
6C	Rear turn light (LH) control	Rear turn light (LH)	Turn switch (LH) on	Rear turn light (LH) flashes	Alternates between 1.0 or less and B+	Rear turn light (LH) Related wiring harnesses
			Hazard warning switch on	Rear turn light (LH) flashes	Alternates between 1.0 or less and B+
			Other		1.0 or less
6D	Light control	Taillight No. 1/rear side marker light (LH)	Light switch at TNS position		B+	TNS relay BCM Related wiring harnesses
6D	Light control	Taillight No. 1/rear side marker light (LH)	Light switch off		1.0 or less	TNS relay BCM Related wiring harnesses
6E
6F	IG1	Seat weight sensor control module	Ignition switch at ON		B+	Seat weight sensor control module Related wiring harnesses
6F	IG1	Seat weight sensor control module	Ignition switch off		1.0 or less	Seat weight sensor control module Related wiring harnesses
6G	CAN_L	CAN system related module	Because this terminal is for communication, good/no good judgment by terminal voltage is not possible.
6H (8)	CAN_L	CAN system related module	Because this terminal is for communication, good/no good judgment by terminal voltage is not possible.
6I	CAN_H	CAN system related module	Because this terminal is for communication, good/no good judgment by terminal voltage is not possible.
6J (8)	CAN_H	CAN system related module	Because this terminal is for communication, good/no good judgment by terminal voltage is not possible.
6K
6L (3)	Inverter power supply	Inverter	Ignition switch at ACC		B+	Inverter Related wiring harnesses
6L (3)	Inverter power supply	Inverter	Ignition switch off		1.0 or less	Inverter Related wiring harnesses
6M	Front door switch (passenger side) signal	Front door switch (passenger side)	Front door (passenger side) open (Front door switch (passenger side) on)		1.0 or less	Front door switch (passenger side) Related wiring harnesses
6M	Front door switch (passenger side) signal	Front door switch (passenger side)	Front door (passenger side) closed (Front door switch (passenger side) off)		B+	Front door switch (passenger side) Related wiring harnesses
6N (2)	Power supply	Seat warmer unit	Ignition switch at ON	Seat warmer switch at on	B+	Seat warmer unit Related wiring harnesses
6N (2)	Power supply	Seat warmer unit	Ignition switch at ON	Seat warmer switch at off	1.0 or less	Seat warmer unit Related wiring harnesses
6O	Front door switch (driver side) input signal	Front door switch (driver side)	Front door (driver side) open (Front door switch (driver side) on)		1.0 or less	Front door switch (driver side) Related wiring harnesses
6O	Front door switch (driver side) input signal	Front door switch (driver side)	Front door (driver side) closed (Front door switch (driver side) off)		B+	Front door switch (driver side) Related wiring harnesses
6P
6Q	Rear door switch (RH) signal	Rear door switch (RH)	Any rear doors open (Rear door switch on)		1.0 or less	Rear door switches Related wiring harnesses
6Q	Rear door switch (RH) signal	Rear door switch (RH)	All rear doors closed (Rear door switch off)		B+	Rear door switches Related wiring harnesses
6R	Rear door switch (LH) signal	Rear door switch (LH)	Any rear doors open (Rear door switch on)		1.0 or less	Rear door switches Related wiring harnesses
6R	Rear door switch (LH) signal	Rear door switch (LH)	All rear doors closed (Rear door switch off)		B+	Rear door switches Related wiring harnesses
6S	Liftgate latch switch signal	Liftgate latch switch	Liftgate is open. (Liftgate latch switch on)		1.0 or less	Liftgate latch switch Related wiring harnesses
6S	Liftgate latch switch signal	Liftgate latch switch	Liftgate is closed. (Liftgate latch switch off)		B+	Liftgate latch switch Related wiring harnesses
6T (4)	Position memory control module communication	Position memory control module	Because this terminal is for communication, good/no good judgment by terminal voltage is not possible.
6U (1)	Lock/unlock input (rear door lock-link switch (LH))	Rear door lock-link switch (LH)	Rear door (LH) locked		Wave pattern (See PATTERN 1 .)	Rear door lock-link switch (LH) Related wiring harnesses
6U (1)	Lock/unlock input (rear door lock-link switch (LH))	Rear door lock-link switch (LH)	Rear door (LH) unlocked		1.0 or less	Rear door lock-link switch (LH) Related wiring harnesses
6V	Back-up light control	Back-up light	Ignition switch at ON	The selector lever is in the R position	B+	Back-up light relay Back-up light Related wiring harnesses
6V	Back-up light control	Back-up light	Ignition switch at ON	Other	1.0 or less	Back-up light relay Back-up light Related wiring harnesses
6W (1)	Lock/unlock input (rear door lock-link switch (RH)	Rear door lock-link switch (RH)	Rear door (RH) locked		Wave pattern (See PATTERN 1 .)	Rear door lock-link switch (RH) Related wiring harnesses
6W (1)	Lock/unlock input (rear door lock-link switch (RH)	Rear door lock-link switch (RH)	Rear door (RH) unlocked		1.0 or less	Rear door lock-link switch (RH) Related wiring harnesses
6X
7A	Rear wiper control	Rear wiper motor	Ignition switch at ON	Rear wiper moving	1.0 or less	Rear wiper motor Related wiring harnesses
7A	Rear wiper control	Rear wiper motor	Ignition switch at ON	Rear wiper stopped	B+	Rear wiper motor Related wiring harnesses
7B (8)	Power supply	AWD control module	Ignition switch at ON		B+	AWD control module Related wiring harnesses
7B (8)	Power supply	AWD control module	Ignition switch off		1.0 or less	AWD control module Related wiring harnesses
7D	Door lock control	Door lock actuators	Press the lock button on the door lock switch.		1.0 or less --> B+ --> 1.0 or less	Door lock actuators Related wiring harnesses
7D	Door lock control	Door lock actuators	Other		1.0 or less	Door lock actuators Related wiring harnesses
7F	Rear wiper power supply	Rear wiper motor	Ignition switch at ON		B+	Ignition switch Rear wiper motor Related wiring harnesses
7F	Rear wiper power supply	Rear wiper motor	Ignition switch off		1.0 or less	Ignition switch Rear wiper motor Related wiring harnesses
7G	Door unlock control	Door lock actuators	Press the lock button on the door lock switch.		1.0 or less --> B+ --> 1.0 or less	Door lock actuators Related wiring harnesses
7G	Door unlock control	Door lock actuators	Other		1.0 or less	Door lock actuators Related wiring harnesses
7H (4)	Position memory control power supply	Position memory control module	Under any condition		B+	Position memory control module Related wiring harnesses
7I	Interior light control	Front map light	Interior light on by opening any door	Interior light off by closing all doors	Wave pattern (See PATTERN 4 .)	Front map light Related wiring harnesses
7J	Interior light power supply	Front map light Interior light Cargo compartment light	Under any condition		B+	Front map light Center map light Interior light Related wiring harnesses
(1) With theft-deterrent system (2) With seat warmer system (3) With inverter (4) With seat position memory function (5) With sunroof system (6) With car-navigation system (7) With advanced keyless entry and start system (8) With AWD (9) With auto light system

(1)	With theft-deterrent system

(2)	With seat warmer system

(3)	With inverter

(4)	With seat position memory function

(5)	With sunroof system

(6)	With car-navigation system

(7)	With advanced keyless entry and start system

(8)

With AWD

(9)	With auto light system

BODY CONTROL MODULE TERMINAL VOLTAGE CHART

Scheme 30

Scheme 30: Pattern 1

Terminal: Lock/unlock input (passenger-side door lock-link switch): 1E (+) <--> body ground (-) Lock/unlock input (rear door lock-link switch (LH)): 6U (+) <--> body ground (-) Lock/unlock input (rear door lock-link switch (RH): 6W (+) <--> body ground (-)
Oscilloscope setting: 1 V/DIV (Y), 1 ms/DIV (X), DC range

Scheme 31

Scheme 31: Pattern 2

Terminal: Hood latch switch signal: 1B (+) <--> body ground (-) Unlock input (Driver-side door lock-link switch): 5K (+) <--> body ground (-) Lock input (Driver-side door lock-link switch): 5N (+) <--> body ground (-)
Oscilloscope setting: 1 V/DIV (Y), 1 ms/DIV (X), DC range

Scheme 32

Scheme 32: Pattern 3

Terminal: 3V (+) <--> body ground (-)
Oscilloscope setting: 1 V/DIV (Y), 200 μs/DIV (X), DC range

Scheme 33

Scheme 33: Pattern 4

Terminal: Courtesy light (RH) control: 2E (+) <--> body ground (-) Courtesy light (LH) control: 4B (+) <--> body ground (-) Interior light control: 7I (+) <--> body ground (-)
Oscilloscope setting: 5 V/DIV (Y), 5 ms/DIV (X), DC range

Scheme 34

Scheme 34: Pattern 5

Terminal: Lock/unlock input (passenger-side door lock-link switch): 1E (+) <--> body ground (-)
Oscilloscope setting: 2 V/DIV (Y), 1 ms/DIV (X), DC range

Control System (Body Control Module) Mazda CX-9 I рестайлинг