Body Control Module

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Pinout

BCM front connectors

BCM rear connectors

BCM-AA

#	Type	Name	Notes
1		-
2		-
3		-
4		ESPS (ig1)
5		RH seat belt buckle
6		LH seat belt buckle
7	Input	Crash signal
8
9	Input	Airbag diagnosis (from ESPS)
10	Output	Airbag warning light

BCM-CE

#	Type	Name	Notes
1	Output	Head lamp low relay (S2)
2		DRL unit NO 12
3	Output	Front wiper relay control
4	Output	Front fog lamp relay (S1)
5		Turn signal lamp (FR)
6		Tail auto cut to DRL
7		DRL unit (11)
8	Output	Front wiper relay (IG2)
9	Output	Turn signal lamp (FL)
10	Output	Position lamp (RH)
11	Output	Position lamp (LH)
12	Output	ABS module (IG1)
13	Output	Alternator charge line / dash indicator
14	Output	Fuse & relay box (IG2) (Ignition fuse)
15	Output	Wiper park output
16	Output	Washer motor
17		-
18		-

BCM-DE

#	Type	Name	Notes
1	Input	Battery

BCM-EF TE 175965-2

#	Type	Name	Notes
1	Input	Assist door key switch
2	Input	Tail gate lock switch
3	Input	Assist door lock switch
4	Input	Assist door switch
5	Input	Folding switch
6	Input	Tail gate open switch
7	Input	Driver door key unlock switch
8	Input	Driver door lock switch
9	Input	Driver door switch
10	Input	Seat belt switch
11		-
12		-

BCM-FF

#	Type	Name	Notes
1	Output	Rear fog lamp relay
2	Output	Back up lamp
3		-
4	Output	Outside mirror
5	Output	Tail lamp (RH)
6	Output	Door lock relay
7		-
8	Output	Door unlock relay
9		-
10	Output	Tail lamp (LH) fuse
11	Input	Door switch
12	Output	Mirror unfolding/door unlock relay
13		Turn signal (RL)
14		-
15	Output	Luggage lamp
16		-
17		Turn signal (RR)
18	Output	Amplifier
19	Output	Outside mirror heater
20		Mirror folding
21	Output	Rear wiper motor (IG2)
22	Input	Tail gate open switch

BCM-GF

#	Type	Name	Notes
1	Output	Rear window defogger
2	Output	Power window relay

BCM-HM

#	Type	Name	Notes
1	IO	Immobilizer antenna 1
2	Output	2 stage unlock ground
3	Input	Turn signal switch (RH)
4	Input	Door warning switch
5	Input	Tail lamp switch
6	Input	Rear fog lamp switch
7	Input	Code saver
8		-
9	Input	Hood switch
10		-
11	IO	Immobilizer antenna 2
12	Output	Export ground
13	Input	Turn signal lamp switch
14	Input	Auto light switch input
15		-
16	Input	Head lamp switch
17	Input	Front fog lamp switch
18	Input	Hazard lamp switch
19	Input	Rear defogger switch
20	Output	Rear fog lamp indicator

BCM-IM

#	Type	Name	Notes
1	Input	Air conditioner switch
2	Output	Cluster battery charge
3		-
4		ESP switch (IG1)
5	Output	Cluster (IG1)
6	Output	Cluster (IG2)
7	Output	Cluster (turn signal LH out)
8		ECU (IG1)
9	Output	Cluster (turn signal RH out)
10		RR HTD switch
11	Output	Cluster (airbag indicator)
12		Diagnostic tool (B+)
13	Output	Digital clock (ACC)
14	Output	Immobilizer indicator
15		External tail lamp (RH)
16		Diagnostic tool (Airbag)
17		Air conditioner (IG2)
18		Auto light ground
19		Diagnosis & code saving
20		Immobilizer

BCM-JM

#	Type	Name	Notes
1		Multifunction switch - intermittent wiper ground
2		Siren control
3	Output	Key hole illumination
4	Input	Speed sensor
5	Output	Interior illumination
6	Output	Cluster (Airbag warning indicator)
7		DCT
8	Output	Door open indicator
9		Multifunction INT
10		Multifunction INT (T)
11		Auto light signal
12	Output	Seat belt indicator
13	Output	Over speed ground
14		-
15		Auto light supply
16	Output	Tail gate open indicator

BCM-KM

#	Type	Name	Notes
1	Output	Cigar lighter
2		Wiper low
3		Wiper high
4		Back up switch (reverse gear)
5		ACC
6	Input	Washer switch
7	Input	Back up lamp switch
8		Start inhibit relay
9	Input	Seat heater switch (IG2)
10		Joint main 3 (B+)
11	Input	Stop switch (B+)
12		Ignition coil
13		-
14		Wiper parking

BCM-LM

#	Type	Name	Notes
1		Ground 1
2		-
3	Output	Blower motor
4		Ignition switch (IG1)
5		Ground 2
6		Wiper switch power
7		Ignition switch (ACC)
8		Ignition switch (IG2)

BCM-MR

#	Type	Name	Notes
1		Sunroof (IG2)
2		Roof lamp (B+)
3		Roof lamp decay control
4		ECU
5		-
6		Sunroof & room lamp ground
7		ECM mirror
8		Sunroof (B+)

PCB layout

Our BCM's use an 8bit Motorola CPU: MC68HC908AZ32A. File:311-21300-0-MC908AZ32ACFU.pdf