POWER WINDOW CONTROL SYSTEM TERMINALS OF ECU

CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY

1. 

   *A	for LHD
   *B	for RHD

   Disconnect the I21*1 or I5*2 multiplex network master switch assembly connector.

   
   

   • *1: for LHD

   • *2: for RHD

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

   Tech Tips

   Measure the values on the wire harness side with the connector disconnected.

   for LHD

   Tester Connection	Wiring Color	Terminal Description	Condition	Specified Condition
   I21-11 (B) - I21-12 (GND)	R - BR	Power supply	Always	11 to 14 V
   I21-12 (GND) - Body ground	BR - Body ground	Ground	Always	Below 1 Ω

   for RHD

   Tester Connection	Wiring Color	Terminal Description	Condition	Specified Condition
   I5-11 (B) - I5-12 (GND)	L - V	Power supply	Always	11 to 14 V
   I5-12 (GND) - Body ground	V - Body ground	Ground	Always	Below 1 Ω

3. Reconnect the I21*1 or I5*2 multiplex network master switch assembly connector.

   
   

   • *1: for LHD

   • *2: for RHD

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

   for LHD

   Tester Connection	Wiring Color	Terminal Description	Condition	Specified Condition
   I21-15 (DOWN) - I21-12 (GND)	G - BR	Power window motor DOWN output	Engine switch on (IG), driver door power window regulator switch not pushed or pulled	11 to 14 V
   			Engine switch on (IG), driver door power window moving, driver door power window regulator switch pushed halfway down (Manual operation)	Below 1 V
   I21-20 (UP) - I21-12 (GND)	SB - BR	Power window motor UP output	Engine switch on (IG), driver door power window regulator switch not pushed or pulled	11 to 14 V
   			Engine switch on (IG), driver door power window moving, driver door power window regulator switch pulled halfway up (Manual operation)	Below 1 V

   for RHD

   Tester Connection	Wiring Color	Terminal Description	Condition	Specified Condition
   I5-15 (DOWN) - I5-12 (GND)	G - V	Power window motor DOWN output	Engine switch on (IG), driver door power window regulator switch not pushed or pulled	11 to 14 V
   			Engine switch on (IG), driver door power window moving, driver door power window regulator switch pushed halfway down (Manual operation)	Below 1 V
   I5-20 (UP) - I5-12 (GND)	SB - V	Power window motor UP output	Engine switch on (IG), driver door power window regulator switch not pushed or pulled	11 to 14 V
   			Engine switch on (IG), driver door power window moving, driver door power window regulator switch pulled halfway up (Manual operation)	Below 1 V

CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH (for LHD)

1. Disconnect the I7 front power window regulator motor assembly RH connector.

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

   Tech Tips

   Measure the values on the wire harness side with the connector disconnected.

   Tester Connection	Wiring Color	Terminal Description	Condition	Specified Condition
   I7-1 (GND) - Body ground	LA - Body ground	Ground	Always	Below 1 Ω
   I7-2 (B) - Body ground	B - Body ground	Power supply	Always	11 to 14 V

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

   Tester Connection	Wiring Color	Terminal Description	Condition	Specified Condition
   I7-4 (AUTO) - I7-1 (GND)	R - LA	Power window motor AUTO UP input	Engine switch on (IG), front passenger door power window fully open	11 to 14 V
   			Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation)	Below 1 V
   			Engine switch on (IG), front passenger door power window fully closed	11 to 14 V
   		Power window motor AUTO DOWN input	Engine switch on (IG), front passenger door power window fully closed	11 to 14 V
   			Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation)	Below 1 V
   			Engine switch on (IG), front passenger door power window fully open	11 to 14 V
   I7-7 (DOWN) - I7-1 (GND)	G - LA	Power window motor DOWN input	Engine switch on (IG), power window regulator switch assembly not pushed or pulled	11 to 14 V
   			Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly pushed halfway down (Manual operation)	Below 1 V
   			Engine switch on (IG), front passenger door power window fully closed	11 to 14 V
   			Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation)	Below 1 V
   			Engine switch on (IG), front passenger door power window fully open	11 to 14 V
   I7-10 (UP) - I7-1 (GND)	SB - LA	Power window motor UP input	Engine switch on (IG), power window regulator switch assembly not pushed or pulled	11 to 14 V
   			Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly pulled halfway up (Manual operation)	Below 1 V
   			Engine switch on (IG), front passenger door power window fully open	11 to 14 V
   			Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation)	Below 1 V
   			Engine switch on (IG), front passenger door power window fully closed	11 to 14 V

CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH (for RHD)

CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (for LHD)

CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (for RHD)

CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH

CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH

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

*A	Main Body ECU (Multiplex Network Body ECU) with 3 connectors	-	-
*1	Main Body ECU (Multiplex Network Body ECU)	-	-

*A	Main Body ECU (Multiplex Network Body ECU) with 2 connectors	-	-
*1	Main Body ECU (Multiplex Network Body ECU)	-	-

1. Remove the main body ECU (multiplex network body ECU) from the junction block assembly LH.

   Click here

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

   Tester Connection	Wiring Color	Terminal Description	Condition	Specified Condition
   A-11 (GND1) - Body ground	None - Body ground	Ground	Always	Below 1 Ω
   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	Engine switch on (ACC)	11 to 14 V
   			Engine switch off	Below 1 V
   A-32 (IG) - Body ground	None - Body ground	IG power supply	Engine switch on (IG)	11 to 14 V
   			Engine switch off	Below 1 V

3. Install the main body ECU (multiplex network body ECU) to the junction block assembly LH.

   Click here

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

   Tester Connection	Wiring Color	Terminal Description	Condition	Specified Condition
   G63-6 (FLCY) - Body ground	GR - Body ground	Front door courtesy light switch assembly LH input	Front door LH open	Below 1 V
   			Front door LH closed	Pulse generation
   G63-27 (FRCY) - Body ground	L - Body ground	Front door courtesy light switch assembly RH input	Front door RH open	Below 1 V
   			Front door RH closed	Pulse generation
   G63-29 (L2) - Body ground	V - Body ground	Driver door key-linked lock input	Driver door key cylinder turned to lock	Below 1 V
   			Driver door key cylinder off	Pulse generation
   G63-2 (UL3) - Body ground	W - Body ground*1 G - Body ground*2	Driver door key-linked unlock input	Driver door key cylinder turned to unlock	Below 1 V
   			Driver door key cylinder off	Pulse generation

   *1: for LHD

   *2: for RHD