POWER MIRROR CONTROL SYSTEM(w/ Reverse Shift-linked Mirror) TERMINALS OF ECU

CHECK OUTER MIRROR CONTROL ECU ASSEMBLY LH

Disconnect the K12 outer mirror control ECU assembly 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
K12-5 (SIG) - K12-7 (GND)	G - W-B	Power source	Ignition switch ON	11 to 14 V
K12-5 (SIG) - K12-7 (GND)	G - W-B	Power source	Ignition switch off	Below 1 V
K12-6 (CPUB) - K12-7 (GND)	L - W-B	Power source	Always	11 to 14 V
K12-14 (BDR) - K12-7 (GND)	R - W-B1 G - W-B2	Power source	Always	11 to 14 V
K12-7 (GND) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω

*1: for LHD

*2: for RHD

Reconnect the K12 outer mirror control ECU assembly LH connector.

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

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
z18-3 (MR) - Body ground	SB - Body ground	Power retract mirror motor drive voltage	Ignition switch ACC Outer rear view mirror assembly being retracted	11 to 14 V
z18-3 (MR) - Body ground	SB - Body ground	Power retract mirror motor drive voltage	Ignition switch ACC Outer rear view mirror assembly stopped	Below 1 V
z18-11 (MF) - Body ground	LG - Body ground	Power retract mirror motor drive voltage	Ignition switch ACC Outer rear view mirror assembly returning	11 to 14 V
z18-11 (MF) - Body ground	LG - Body ground	Power retract mirror motor drive voltage	Ignition switch ACC Outer rear view mirror assembly stopped	Below 1 V
z18-1 (MV) - Body ground	V - Body ground	Mirror motor drive voltage	Ignition switch ACC Mirror surface stopped	Below 1 V
			Ignition switch ACC Mirror surface moving downward or left	Below 1 V
			Ignition switch ACC Mirror surface moving upward	11 to 14 V
z18-9 (MH) - Body ground	BR - Body ground	Mirror motor drive voltage	Ignition switch ACC Mirror surface stopped	Below 1 V
			Ignition switch ACC Mirror surface moving upward or right	Below 1 V
			Ignition switch ACC Mirror surface moving left	11 to 14 V
z18-10 (M+) - Body ground	R - Body ground	Mirror motor drive voltage	Ignition switch ACC Mirror surface stopped	Below 1 V
			Ignition switch ACC Mirror surface moving upward or left	Below 1 V
			Ignition switch ACC Mirror surface moving downward or right	11 to 14 V
z18-4 (HTR+) - Z18-12 (TRN-)*	B - W	Mirror heater drive voltage	Ignition switch ON Rear window defogger switch (mirror heater switch) on	11 to 14 V
z18-4 (HTR+) - Z18-12 (TRN-)*	B - W	Mirror heater drive voltage	Ignition switch ON Rear window defogger switch (mirror heater switch) off	Below 1 V
z18-5 (VDD) - Z18-14 (GND)	R-W - GR	Mirror position sensor power supply	Ignition switch ON	4.5 to 5.5 V
z18-5 (VDD) - Z18-14 (GND)	R-W - GR	Mirror position sensor power supply	Ignition switch off	Below 1 V
z18-6 (VSSR) - Body ground	Y-B - Body ground	Vertical direction position sensor signal	Ignition switch ACC Mirror surface moving upward or downward	Changes within range of 0 to 5 V
z18-13 (HSSR) - Body ground	P - Body ground	Horizontal direction position sensor signal	Ignition switch ACC Mirror surface moving left or right	Changes within range of 0 to 5 V

*: w/ Mirror Heater

CHECK OUTER MIRROR CONTROL ECU ASSEMBLY RH

Disconnect the J12 outer mirror control ECU assembly 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
J12-5 (SIG) - J12-7 (GND)	G - W-B	Power source	Ignition switch ON	11 to 14 V
J12-5 (SIG) - J12-7 (GND)	G - W-B	Power source	Ignition switch off	Below 1 V
J12-6 (CPUB) - J12-7 (GND)	L - W-B	Power source	Always	11 to 14 V
J12-14 (BDR) - J12-7 (GND)	G - W-B1 R - W-B2	Power source	Always	11 to 14 V
J12-7 (GND) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω

*1: for LHD

*2: for RHD

Reconnect the J12 outer mirror control ECU assembly RH connector.

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

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
z19-3 (MR) - Body ground	SB - Body ground	Power retract mirror motor drive voltage	Ignition switch ACC Outer rear view mirror assembly being retracted	11 to 14 V
z19-3 (MR) - Body ground	SB - Body ground	Power retract mirror motor drive voltage	Ignition switch ACC Outer rear view mirror assembly stopped	Below 1 V
z19-11 (MF) - Body ground	LG - Body ground	Power retract mirror motor drive voltage	Ignition switch ACC Outer rear view mirror assembly returning	11 to 14 V
z19-11 (MF) - Body ground	LG - Body ground	Power retract mirror motor drive voltage	Ignition switch ACC Outer rear view mirror assembly stopped	Below 1 V
z19-1 (MV) - Body ground	V - Body ground	Mirror motor drive voltage	Ignition switch ACC Mirror surface stopped	Below 1 V
			Ignition switch ACC Mirror surface moving downward or left	Below 1 V
			Ignition switch ACC Mirror surface moving upward	11 to 14 V
z19-9 (MH) - Body ground	BR - Body ground	Mirror motor drive voltage	Ignition switch ACC Mirror surface stopped	Below 1 V
			Ignition switch ACC Mirror surface moving upward or right	Below 1 V
			Ignition switch ACC Mirror surface moving left	11 to 14 V
z19-10 (M+) - Body ground	R - Body ground	Mirror motor drive voltage	Ignition switch ACC Mirror surface stopped	Below 1 V
			Ignition switch ACC Mirror surface moving upward or left	Below 1 V
			Ignition switch ACC Mirror surface moving downward or right	11 to 14 V
z19-4 (HTR+) - Z19-12 (TRN-)*	B - W	Mirror heater drive voltage	Ignition switch ON Rear window defogger switch (mirror heater switch) on	11 to 14 V
z19-4 (HTR+) - Z19-12 (TRN-)*	B - W	Mirror heater drive voltage	Ignition switch ON Rear window defogger switch (mirror heater switch) off	Below 1 V
z19-5 (VDD) - Z19-14 (GND)	R-W - GR	Mirror position sensor power supply	Ignition switch ON	4.75 to 5.25 V
z19-5 (VDD) - Z19-14 (GND)	R-W - GR	Mirror position sensor power supply	Ignition switch off	Below 1 V
z19-6 (VSSR) - Body ground	Y-B - Body ground	Vertical direction position sensor signal	Ignition switch ACC Mirror surface moving upward or downward	Changes within range of 0 to 5 V
z19-13 (HSSR) - Body ground	P - Body ground	Horizontal direction position sensor signal	Ignition switch ACC Mirror surface moving left or right	Changes within range of 0 to 5 V

*: w/ Mirror Heater

CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND DRIVER SIDE JUNCTION BLOCK ASSEMBLY

*A	Main Body ECU (Multiplex Network Body ECU) with 3 connectors	*B	for LHD
*C	for RHD	-	-
*1	Main Body ECU (Multiplex Network Body ECU)	-	-

Remove the main body ECU (multiplex network body ECU).

Click here

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

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
A-32 (IG) - Body ground	None - Body ground	Ignition power supply	Ignition switch ON	11 to 14 V
A-32 (IG) - Body ground	None - Body ground	Ignition power supply	Ignition switch off	Below 1 V
A-31 (BECU) - Body ground	None - Body ground	Battery power supply	Always	11 to 14 V
A-30 (ACC) - Body ground	None - Body ground	ACC power supply	Ignition switch ACC	11 to 14 V
A-30 (ACC) - Body ground	None - Body ground	ACC power supply	Ignition switch off	Below 1 V
A-11 (GND1) - Body ground	None - Body ground	Ground	Always	Below 1 Ω

Install the main body ECU (multiplex network body ECU).

Click here

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

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
G217-4 (MIRB) - G217-6 (MIRE)	R - L	Mirror surface adjust switch signal	Ignition switch ACC Mirror surface adjust switch up	Below 1.7 V
			Ignition switch ACC Mirror surface adjust switch right	Below 2.7 V
			Ignition switch ACC Mirror surface adjust switch down	Below 3.5 V
			Ignition switch ACC Mirror surface adjust switch left	Below 4 V
			Ignition switch ACC Mirror surface adjust switch off	3.8 to 5 V
G217-5 (MIRS) - G217-6 (MIRE)	P - L	Mirror select switch signal	Ignition switch ACC Mirror select switch L	Below 2 V
			Ignition switch ACC Mirror select switch R	Below 1 V
			Ignition switch ACC Mirror select switch off	3.8 to 5 V
G216-14 (RET) - Body ground	W - Body ground	Mirror retract switch signal	Ignition switch ACC Mirror retract switch not in return position	Pulse generation (See waveform 1 or 2)
G216-14 (RET) - Body ground	W - Body ground	Mirror retract switch signal	Ignition switch ACC Mirror retract switch in return position	Below 1 V
G216-11 (AMR) - Body ground	V - Body ground	Mirror retract switch signal	Ignition switch ACC Mirror retract switch not in retract position	Pulse generation (See waveform 1 or 2)
G216-11 (AMR) - Body ground	V - Body ground	Mirror retract switch signal	Ignition switch ACC Mirror retract switch in retract position	Below 1 V
G217-13 (M1) - Body ground*3	SB - Body ground	Seat memory switch M1 signal	Ignition switch ON Seat memory switch M1 off	Pulse generation (See waveform 3 or 4)
G217-13 (M1) - Body ground*3	SB - Body ground	Seat memory switch M1 signal	Ignition switch ON Seat memory switch M1 on	Below 1 V
G217-14 (M2) - Body ground*3	V - Body ground	Seat memory switch M2 signal	Ignition switch ON Seat memory switch M2 off	Pulse generation (See waveform 3 or 4)
G217-14 (M2) - Body ground*3	V - Body ground	Seat memory switch M2 signal	Ignition switch ON Seat memory switch M2 on	Below 1 V
G217-16 (MM) - Body ground*3	LG - Body ground	Seat memory switch SET signal	Ignition switch ON Seat memory switch SET off	Pulse generation (See waveform 3 or 4)
G217-16 (MM) - Body ground*3	LG - Body ground	Seat memory switch SET signal	Ignition switch ON Seat memory switch SET on	Below 1 V

*1: for LHD

*2: for RHD

*3: w/ Memory

Using an oscilloscope, check waveform 1.

Waveform 1 (Reference)
Item	Content
Terminal No. (Symbol)	G216-14 (RET) or G216-11 (AMR) - Body ground
Tool Setting	5 V/DIV., 20 ms/DIV.
Condition	Ignition switch ACC Mirror retract switch not in retract position

Using an oscilloscope, check waveform 2.

Waveform 2 (Reference)
Item	Content
Terminal No. (Symbol)	G216-14 (RET) or G216-11 (AMR) - Body ground
Tool Setting	5 V/DIV., 20 ms/DIV.
Condition	Ignition switch ACC Mirror retract switch not in retract position

Using an oscilloscope, check waveform 3.

Waveform 3 (Reference)
Item	Content
Terminal No. (Symbol)	G216-13 (M1) - Body ground G216-14 (M2) - Body ground G216-16 (MM) - Body ground
Tool Setting	5 V/DIV., 20 ms/DIV.
Condition	Ignition switch ON Seat memory switch M1 off Seat memory switch M2 off Seat memory switch SET off

Using an oscilloscope, check waveform 4.

Waveform 4 (Reference)
Item	Content
Terminal No. (Symbol)	G216-13 (M1) - Body ground G216-14 (M2) - Body ground G216-16 (MM) - Body ground
Tool Setting	5 V/DIV., 20 ms/DIV.
Condition	Ignition switch ON Seat memory switch M1 off Seat memory switch M2 off Seat memory switch SET off