POWER MIRROR CONTROL SYSTEM TERMINALS OF ECU

CHECK FRONT MULTIPLEX NETWORK DOOR ECU (DRIVER DOOR)

for LHD:

Disconnect the S9 front multiplex network door ECU LH connector.

Measure the voltage and resistance according to the value(s) in the table below.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
S9-1 (GND) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω
S9-3 (SIG) - Body ground	LA-B - Body ground	Ignition power supply (IG signal)	Engine switch off → on (IG)	Below 1 V → 11 to 14 V
S9-4 (CPUB) - Body ground	LA-LG - Body ground	Battery power supply	Always	11 to 14 V
S9-6 (BDR) - Body ground	R - Body ground	Battery power supply	Always	11 to 14 V
S9-16 (BCUT) - Body ground	V- Body ground	Battery power supply	Always	11 to 14 V

Reconnect the S9 front multiplex network door ECU LH connector.

Measure the voltage and resistance according to the value(s) in the table below.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
S9-7 (CANN)	R	CAN communication line	-	-
S9-8 (CANP)	W	CAN communication line	-	-
S9-9 (SGND) - Body ground	R - Body ground	Ground	Always	Below 1 Ω
S9-11 (LIN1) - Body ground	SB - Body ground	LIN communication line	Engine switch on (IG)	Pulse generation
S9-12 (LIN2) - Body ground	SB - Body ground	LIN communication line	Engine switch on (IG)	Pulse generation
S9-15 (CPBJ) - Body ground	GR - Body ground	Battery power supply	Always	11 to 14 V
S9-22 (M1) - S9-26 (MSWE)	BE - LG	M1 switch signal for seat memory switch	M1 switch on	Below 1 V
S9-22 (M1) - S9-26 (MSWE)	BE - LG	M1 switch signal for seat memory switch	M1 switch off	11 to 14 V
S9-23 (M2) - S9-26 (MSWE)	G - LG	M2 switch signal for seat memory switch	M2 switch on	Below 1 V
S9-23 (M2) - S9-26 (MSWE)	G - LG	M2 switch signal for seat memory switch	M2 switch off	11 to 14 V
S9-24 (M3) - S9-26 (MSWE)	V - LG	M3 switch signal for seat memory switch	M3 switch on	Below 1 V
S9-24 (M3) - S9-26 (MSWE)	V - LG	M3 switch signal for seat memory switch	M3 switch off	11 to 14 V
S9-25 (MM) - S9-26 (MSWE)	L - LG	SET switch signal for seat memory switch	SET switch on	Below 1 V
S9-25 (MM) - S9-26 (MSWE)	L - LG	SET switch signal for seat memory switch	SET switch off	11 to 14 V
S9-26 (MSWE) - Body ground	LG - Body ground	Ground	Always	Below 1 Ω
S10-1 (DMVR) - Body ground	P - Body ground	Vertical mirror motor drive voltage	Driver door mirror surface moving upward → stopped	11 to 14 V → Below 1 V
S10-3 (MR+) - Body ground	R - Body ground	Power retract mirror motor drive voltage	Outer rear view mirror assembly (driver door) being retracted	11 to 14 V
S10-3 (MR+) - Body ground	R - Body ground	Power retract mirror motor drive voltage	Outer rear view mirror assembly (driver door) stopped	Below 1 V
S10-4 (HTR+) - S10-12 (HTR-)	W - P	Mirror heater relay drive voltage	Mirror heater switch (rear window defogger switch) on	11 to 14 V → Below 1 V
S10-5 (DVC) - Body ground	L - Body ground	Mirror position sensor power supply	Engine switch off → on (IG)	Below 1 V → 4.75 to 5.25 V
S10-6 (VSSR) - Body ground	SB - Body ground	Mirror position sensor signal	Engine switch on (IG)	Below 1 V to 5 V
S10-7 (EC+) - S10-15 (EC-)	G - V	Automatic glare-resistant EC mirror drive signal	Automatic glare-resistant EC mirror off → on	Below 1 V → 1.05 to 1.35 V
S10-9 (DMHR) - Body ground	B - Body ground	Horizontal mirror motor drive voltage	Driver door mirror surface moving left → stopped	11 to 14 V → Below 1 V
S10-10 (DM+R) - Body ground	GR - Body ground	Vertical and horizontal mirror motors drive voltage	Driver door mirror surface moving downward → stopped	11 to 14 V → Below 1 V
S10-10 (DM+R) - Body ground	GR - Body ground	Vertical and horizontal mirror motors drive voltage	Driver door mirror surface moving right → stopped	11 to 14 V → Below 1 V
S10-11 (MR-) - Body ground	V - Body ground	Power retract mirror motor drive voltage	Outer rear view mirror assembly (driver door) returning → stopped	11 to 14 V → Below 1 V
S10-13 (HSSR) - Body ground	BE - Body ground	Mirror position sensor signal	Engine switch on (IG)	Below 1 to 5 V
S10-14 (DE2) - Body ground	B - Body ground	Horizontal mirror motor drive voltage	Always	Below 1 Ω

for RHD:

Disconnect the R9 front multiplex network door ECU RH connector.

Measure the voltage and resistance according to the value(s) in the table below.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
R9-1 (GND) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω
R9-3 (SIG) - Body ground	LA-B - Body ground	Ignition power supply (IG signal)	Engine switch off → on (IG)	Below 1 V → 11 to 14 V
R9-4 (CPUB) - Body ground	LA-LG - Body ground	Battery power supply	Always	11 to 14 V
R9-6 (BDR) - Body ground	R - Body ground	Battery power supply	Always	11 to 14 V
R9-16 (BCUT) - Body ground	V - Body ground	Battery power supply	Always	11 to 14 V

Reconnect the R9 front multiplex network door ECU RH connector.

Measure the voltage and resistance according to the value(s) in the table below.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
R9-7 (CANN)	W	CAN communication line	-	-
R9-8 (CANP)	B	CAN communication line	-	-
R9-9 (SGND) - Body ground	R - Body ground	Ground	Always	Below 1 Ω
R9-11 (LIN1) - Body ground	SB - Body ground	LIN communication line	Engine switch on (IG)	Pulse generation
R9-12 (LIN2) - Body ground	LG - Body ground	LIN communication line	Engine switch on (IG)	Pulse generation
R9-15 (CPBJ) - Body ground	GR - Body ground	Battery power supply	Always	11 to 14 V
R9-22 (M1) - R9-26 (MSWE)	BE - LG	M1 switch signal for seat memory switch	M1 switch on	Below 1 V
R9-22 (M1) - R9-26 (MSWE)	BE - LG	M1 switch signal for seat memory switch	M1 switch off	11 to 14 V
R9-23 (M2) - R9-26 (MSWE)	G - LG	M2 switch signal for seat memory switch	M2 switch on	Below 1 V
R9-23 (M2) - R9-26 (MSWE)	G - LG	M2 switch signal for seat memory switch	M2 switch off	11 to 14 V
R9-24 (M3) - R9-26 (MSWE)	V - LG	M3 switch signal for seat memory switch	M3 switch on	Below 1 V
R9-24 (M3) - R9-26 (MSWE)	V - LG	M3 switch signal for seat memory switch	M3 switch off	11 to 14 V
R9-25 (MM) - R9-26 (MSWE)	L - LG	SET switch signal for seat memory switch	SET switch on	Below 1 V
R9-25 (MM) - R9-26 (MSWE)	L - LG	SET switch signal for seat memory switch	SET switch off	11 to 14 V
R9-26 (MSWE) - Body ground	LG - Body ground	Ground	Always	Below 1 Ω
R10-1 (PMVR) - Body ground	P - Body ground	Vertical mirror motor drive voltage	Driver door mirror surface moving upward → stopped	11 to 14 V → Below 1 V
R10-3 (MR+) - Body ground	R - Body ground	Power retract mirror motor drive voltage	Outer rear view mirror assembly (driver door) being retracted	11 to 14 V
R10-3 (MR+) - Body ground	R - Body ground	Power retract mirror motor drive voltage	Outer rear view mirror assembly (driver door) stopped	Below 1 V
R10-4 (HTR+) - R10-12 (HTR-)	W - P	Mirror heater relay drive voltage	Mirror heater switch (rear window defogger switch) on	11 to 14 V → Below 1 V
R10-5 (PVC) - Body ground	L - Body ground	Mirror position sensor power supply	Engine switch off → on (IG)	Below 1 V → 4.75 to 5.25 V
R10-6 (VSSR) - Body ground	SB - Body ground	Mirror position sensor signal	Engine switch on (IG)	Below 1 V to 5 V
R10-7 (EC+) - R10-15 (EC-)	G - V	Automatic glare-resistant EC mirror drive signal	Automatic glare-resistant EC mirror off → on	Below 1 V → 1.05 to 1.35 V
R10-9 (PMHR) - Body ground	B - Body ground	Horizontal mirror motor drive voltage	Driver door mirror surface moving left → stopped	11 to 14 V → Below 1 V
R10-10 (PM+R) - Body ground	GR - Body ground	Vertical and horizontal mirror motors drive voltage	Driver door mirror surface moving downward → stopped	11 to 14 V → Below 1 V
R10-10 (PM+R) - Body ground	GR - Body ground	Vertical and horizontal mirror motors drive voltage	Driver door mirror surface moving right → stopped	11 to 14 V → Below 1 V
R10-11 (MR-) - Body ground	V - Body ground	Power retract mirror motor drive voltage	Outer rear view mirror assembly (driver door) returning → stopped	11 to 14 V → Below 1 V
R10-13 (HSSR) - Body ground	BE - Body ground	Mirror position sensor signal	Engine switch on (IG)	Below 1 to 5 V
R10-14 (PE2) - Body ground	B - Body ground	Horizontal mirror motor drive voltage	Always	Below 1 Ω

CHECK FRONT MULTIPLEX NETWORK DOOR ECU (FRONT PASSENGER DOOR)

for LHD:

Disconnect the R9 front multiplex network door ECU RH connector.

Measure the voltage and resistance according to the value(s) in the table below.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
R9-1 (GND) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω
R9-3 (SIG) - Body ground	LA-B - Body ground	Ignition power supply (IG signal)	Engine switch off → on (IG)	Below 1 V → 11 to 14 V
R9-4 (CPUB) - Body ground	LA-LG - Body ground	Battery power supply	Always	11 to 14 V
R9-6 (BDR) - Body ground	R - Body ground	Battery power supply	Always	11 to 14 V

Reconnect the R9 front multiplex network door ECU RH connector.

Measure the voltage and resistance according to the value(s) in the table below.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
R9-7 (CANN)	W	CAN communication line	-	-
R9-8 (CANP)	B	CAN communication line	-	-
R9-11 (LIN1) - Body ground	SB - Body ground	LIN communication line	Engine switch on (IG)	Pulse generation
R10-1 (PMVR) - Body ground	P - Body ground	Vertical mirror motor drive voltage	Front passenger door mirror surface moving upward → stopped	11 to 14 V → Below 1 V
R10-3 (MR+) - Body ground	R - Body ground	Power retract mirror motor drive voltage	Outer rear view mirror assembly (front passenger door) being retracted	11 to 14 V
R10-3 (MR+) - Body ground	R - Body ground	Power retract mirror motor drive voltage	Outer rear view mirror assembly (front passenger door) stopped	Below 1 V
R10-4 (HTR+) - R10-12 (HTR-)	W - P	Mirror heater relay drive voltage	Mirror heater switch (rear window defogger switch) on	11 to 14 V → Below 1 V
R10-5 (PVC) - Body ground	L - Body ground	Mirror position sensor power supply	Engine switch off → on (IG)	Below 1 V → 4.75 to 5.25 V
R10-6 (VSSR) - Body ground	SB - Body ground	Mirror position sensor signal	Engine switch on (IG)	Below 1 V to 5 V
R10-7 (EC+) - R10-15 (EC-)	G - V	Automatic glare-resistant EC mirror drive signal	Automatic glare-resistant EC mirror off → on	Below 1 V → 1.05 to 1.35 V
R10-9 (PMHR) - Body ground	B - Body ground	Horizontal mirror motor drive voltage	Front passenger door mirror surface moving left → stopped	11 to 14 V → Below 1 V
R10-10 (PM+R) - Body ground	GR - Body ground	Vertical and horizontal mirror motors drive voltage	Front passenger door mirror surface moving downward → stopped	11 to 14 V → Below 1 V
R10-10 (PM+R) - Body ground	GR - Body ground	Vertical and horizontal mirror motors drive voltage	Front passenger door mirror surface moving right → stopped	11 to 14 V → Below 1 V
R10-11 (MR-) - Body ground	V - Body ground	Power retract mirror motor drive voltage	Outer rear view mirror assembly (Front passenger door) returning → stopped	11 to 14 V → Below 1 V
R10-13 (HSSR) - Body ground	BE - Body ground	Mirror position sensor signal	Engine switch on (IG)	Below 1 to 5 V
R10-14 (PE2) - Body ground	B - Body ground	Horizontal mirror motor drive voltage	Always	Below 1 Ω

for RHD:

Disconnect the S9 front multiplex network door ECU LH connector.

Measure the voltage and resistance according to the value(s) in the table below.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
S9-1 (GND) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω
S9-3 (SIG) - Body ground	LA-B - Body ground	Ignition power supply (IG signal)	Engine switch off → on (IG)	Below 1 V → 11 to 14 V
S9-4 (CPUB) - Body ground	LA-LG - Body ground	Battery power supply	Always	11 to 14 V
S9-6 (BDR) - Body ground	R - Body ground	Battery power supply	Always	11 to 14 V

Disconnect the S9 front multiplex network door ECU LH connector.

Measure the voltage and resistance according to the value(s) in the table below.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
S9-7 (CANN)	R	CAN communication line	-	-
S9-8 (CANP)	W	CAN communication line	-	-
S9-11 (LIN1) - Body ground	SB - Body ground	LIN communication line	Engine switch on (IG)	Pulse generation
S10-1 (DMVR) - Body ground	P - Body ground	Vertical mirror motor drive voltage	Front passenger door mirror surface moving upward → stopped	11 to 14 V → Below 1 V
S10-3 (MR+) - Body ground	R - Body ground	Power retract mirror motor drive voltage	Outer rear view mirror assembly (front passenger door) being retracted	11 to 14 V
S10-3 (MR+) - Body ground	R - Body ground	Power retract mirror motor drive voltage	Outer rear view mirror assembly (front passenger door) stopped	Below 1 V
S10-4 (HTR+) - S10-12 (HTR-)	W - P	Mirror heater relay drive voltage	Mirror heater switch (rear window defogger switch) on	11 to 14 V → Below 1 V
S10-5 (DVC) - Body ground	L - Body ground	Mirror position sensor power supply	Engine switch off → on (IG)	Below 1 V → 4.75 to 5.25 V
S10-6 (VSSR) - Body ground	SB - Body ground	Mirror position sensor signal	Engine switch on (IG)	Below 1 V to 5 V
S10-7 (EC+) - S10-15 (EC-)	G - V	Automatic glare-resistant EC mirror drive signal	Automatic glare-resistant EC mirror off → on	Below 1 V → 1.05 to 1.35 V
S10-9 (DMHR) - Body ground	B - Body ground	Horizontal mirror motor drive voltage	Front passenger door mirror surface moving left → stopped	11 to 14 V → Below 1 V
S10-10 (DM+R) - Body ground	GR - Body ground	Vertical and horizontal mirror motors drive voltage	Front passenger door mirror surface moving downward → stopped	11 to 14 V → Below 1 V
S10-10 (DM+R) - Body ground	GR - Body ground	Vertical and horizontal mirror motors drive voltage	Front passenger door mirror surface moving right → stopped	11 to 14 V → Below 1 V
S10-11 (MR-) - Body ground	V - Body ground	Power retract mirror motor drive voltage	Outer rear view mirror assembly (Front passenger door) returning → stopped	11 to 14 V → Below 1 V
S10-13 (HSSR) - Body ground	BE - Body ground	Mirror position sensor signal	Engine switch on (IG)	Below 1 to 5 V
S10-14 (DE2) - Body ground	B - Body ground	Horizontal mirror motor drive voltage	Always	Below 1 Ω