Terminals Of Ecu

1. Inspect door ECU:
   1. Disconnect the door ECU connectors D17, D18 and D19.
   2. Inspect the voltage and continuity of each terminal of the vehicle's side connector.
   Fig 1: Identifying Driver Door ECU

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard: 

   STANDARD CHART
   
   

   Tester connection	Wiring color	Condition	Specified condition
   D19-1 (GND) <=> Body ground	W-B <=> Body ground	Constant	Continuity
   D19-4 (CPUB) <=> D19-1 (GND)	L-0 <=> W-B	Constant	10 - 14 V
   D19-5 (SIG) <=> D19-1 (GND)	V-W <=> W-B	Ignition switch OFF --> ON	0V --> 10 - 14 V
   D19-6 (BDR) <=> D19-1 (GND)	B-R <=> W-B	Constant	10 - 14 V
   D19-2 (DN) <=> D19-3 (UP)	G <=> L	Constant	Continuity
   D17-9 (WLSW) <=> D19-1 (GND)	R <=> W-B	Ignition switch ON, window lock switch LOCK --> NORMAL	0 V --> 10 - 14 V
   D19-10 (LMT) <=> D19-11 (SGND)	B-W <=> BR	Driver's side door glass fully closed --> opened by 4mm or more	No continuity --> Yes
   D17-27 (CTY) <=> D19-1 (GND)	R-W <=> W-B	Driver's side door fully closed --> opened	No continuity --> Yes
   D18-4 (KUL) <=> D18-20 (CPSE)	L-W <=> R-L	Driver's door lock cylinder turned into neutral with key --> UNLOCK	No continuity --> Yes
   D18-13 (KL) <=> D18-20 (CPSE)	L-B <=> R-L	Driver's door lock cylinder turned into neutral with key --> LOCK	No continuity --> Yes
   D17-5 (DT1)<--> D17-16 (SC1)	G-R <=> L-R	Power window master switch passenger's side switch OFF --> DOWN	No continuity -->Yes (4kΩ)
   D17-5 (DT1) <=> D17-15 (SC2)	G-R <=> Y-R	Power window master switch passenger's side switch OFF <=> 4 UP	No continuity <=> Yes (4kΩ)
   D17-5 (DT1) <=> D17-14 (SC3)	G-R <=> L	Power window master switch passenger's side UP --> UP AUTO DOWN --> DOWN AUTO	No continuity --> Yes (4kΩ)
   D17-2 (AUTO) <=> D19-1 (GND)	W-G <=> W-B	Power window master switch driver's side switch UP --> UP AUTO DOWN --> DOWN AUTO	No continuity --> Yes
   D17-23 (MUP)<--> D19-1 (GND)	P-L <=> W-B	Power window master switch driver's side switch OFF --> UP	No continuity --> Yes
   D17-25 (MDN) <=> D19-1 (GND)	V <=> W-B	Power window master switch driver's side switch OFF --> DOWN	No continuity --> Yes

   NOTE: If the value is not as specified, there may be a malfunction in the vehicle's side.
2. Connect the connector, and inspect the voltage between each terminal of the connector.

   Standard: 

   STANDARD CHART
   
   

   Tester connection	Wiring color	Condition	Specified Condition
   D19-2 (DN)<--> D19-1 (GND)	G <=> W-B	Ignition switch ON, power window master switch driver's side switch OFF --> DOWN	0V --> 10 - 14 V
   D19-3 (UP)<--> D19-1 (GND)	L <=> W-B	Ignition switch ON, power window master switch driver's side switch OFF --> UP	0V --> 10 - 14 V
   D17-20 (WLS1) <=> D19-1 (GND)	Y-B <=> W-B	Ignition switch ON, window lock switch LOCK --> NORMAL	0V --> 10 - 14 V

1. Inspect door ECU:
   1. Disconnect the door ECU connectors P9, P10 and P11.
   2. Inspect the voltage and continuity of each terminal of the vehicle's side connector.
   Fig 2: Identifying Passenger Door ECU

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard: 

   STANDARD CHART
   
   

   Tester connection	Wiring color	Condition	Specified condition
   P11-1 (GND) <=> Body ground	W-B <=> Body ground	Constant	Continuity
   P11-4 (CPUB) <=> P9-1 (GND)	L-0 <=> W-B	Constant	10 - 14 V
   P11-5 (SIG) <=> P11-1 (GND)	V-W <=> W-B	Ignition switch OFF --> ON	0V --> 10 - 14 V
   P11-6 (BDR) <=> P11-1 (GND)	G-Y <=> W-B	Constant	10 - 14 V
   P11-2 (DN) <=> P11-3 (UP)	G <=> L	Constant	Continuity
   P9-9 (WLSW) <=> P11-1 (GND)	Y-B <=> W-B	Ignition switch ON, window lock switch LOCK --> NORMAL	0V --> 10 - 14 V
   P11-10 (LMT) <=> P11-11 (SGND)	B-W <=> BR	Passenger's side door glass fully closed --> opened by 4mm or more	No continuity --> Yes
   P9-27 (CTY) <=> P11-1 (GND)	R-W <=> W-B	Passenger's side door fully closed --> opened	No continuity --> Yes
   P9-2 (AUTO) <=> P11-1 (GND)	W-G <=> W-B	Power window regulator switch passenger's side switch UP --> UP AUTO DOWN --> DOWN AUTO	No continuity --> Yes
   P9-23 (MUP) <=> P11-1 (GND)	B-W <=> W-B	Power window regulator switch passenger's side switch OFF --> UP	No continuity --> Yes
   P9-25 (MDN) <=> P11-1 (GND)	V <=> W-B	Power window regulator switch passenger's side switch OFF --> DOWN	No continuity --> Yes

   NOTE: If the value is not as specified, there may be a malfunction in the vehicle's side.
2. Connect the connector, and inspect the voltage between each terminal of the connector.

   Standard: 

   STANDARD CHART
   
   

   Tester connection	Wiring color	Condition	Specified Condition
   P11-2 (DN) <=> P11-1 (GND)	G <=> W-B	Ignition switch ON, power window regulator switch passenger's side switch OFF --> DOWN	0 V --> 10 - 14 V
   P11-3 (UP) <=> P11-1 (GND)	L <=> W-B	Ignition switch ON, power window regulator switch passenger's side switch OFF --> UP	0 V -->10 - 14 V
   P9-20 (WLS1) <=> P11-1 (GND)	L-R <=> W-B	Ignition switch ON, window lock switch LOCK --> NORMAL	0 V --> 10 - 14 V

1. Inspect theft warning ECU:
   1. Disconnect the theft warning ECU connector.
   2. Inspect the voltage and continuity of each terminal of the vehicle's side connector.
   Fig 3: Identifying Theft Warning ECU

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard: 

   STANDARD CHART
   
   

   Tester connection	Wiring color	Condition	Specified condition
   T6-20 (GND) <=> Body ground	W-B <=> Body ground	Constant	Continuity
   T6-21 (+B2) <=> T6-20 (GND)	B-O <=> W-B	Constant	10 - 14 V
   T6-24 (IG) <=> T6-20 (GND)	V-W <=> W-B	Ignition switch OFF --> ON	0V --> 10 - 14 V
   T6-1 (+B) <=> T6-20 (GND)	L-0 <=> W-B	Constant	10 - 14 V

1. Inspect transponder key ECU:
   1. Disconnect the transponder key ECU connector.
   2. Inspect the voltage and continuity of each terminal of the vehicle's side connector.
   Fig 4: Identifying Transponder Key ECU

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard: