POWER WINDOW CONTROL SYSTEM TERMINALS OF ECU

CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY

1. 

   *A	for LHD
   *B	for RHD

   Disconnect the I5*1 or I2*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

   Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
   I5-11 (B) - I5-12 (GND)	LA-GR - LA-R	Power supply	Always	11 to 14 V
   I5-12 (GND) - Body ground	LA-R - Body ground	Ground	Always	Below 1 Ω

   for RHD

   Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
   I2-11 (B) - I2-12 (GND)	LA-GR - LA-R	Power supply	Always	11 to 14 V
   I2-12 (GND) - Body ground	LA-R - Body ground	Ground	Always	Below 1 Ω

3. Reconnect the I5*1 or I2*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

   Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
   I5-15 (DOWN) - I5-12 (GND)	G - LA-R	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)	R - LA-R	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

   Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
   I2-15 (DOWN) - I2-12 (GND)	G - LA-R	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
   I2-20 (UP) - I2-12 (GND)	R - LA-R	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

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

   for LHD

   Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
   I5-17 (LIN1) - Body ground	SB - Body ground	LIN communication line	Engine switch on (IG)	Pulse generation

   for RHD

   Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
   I2-17 (LIN1) - Body ground	SB - Body ground	LIN communication line	Engine switch on (IG)	Pulse generation

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

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

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

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

CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH

CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH

CHECK FRONT MULTIPLEX NETWORK DOOR ECU LH

1. Disconnect the H31 front multiplex network door ECU LH connector.

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

   Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
   H31-6 (BDR) - H31-1 (GND)	R - W-B	Power supply	Always	11 to 14 V
   H31-3 (SIG) - H31-1 (GND)	B - W-B	IG power supply	Engine switch on (IG)	11 to 14 V
   H31-4 (CPUB) - H31-1 (GND)	L - W-B	Power supply	Always	11 to 14 V
   H31-1 (GND) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω

3. Reconnect the H31 front multiplex network door ECU LH connector.

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

   Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
   H31-5 (BDRJ) - H31-1 (GND)	LA-L - W-B*1 LA-R - W-B*2	Power window regulator motor power supply	Always	11 to 14 V
   H31-2 (PWE) - Body ground	LA-B - Body ground	Ground	Always	Below 1 Ω
   H31-9 (SGND) - Body ground	R - Body ground	Ground	Always	Below 1 Ω

   *1: for LHD

   *2: for RHD

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

   Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
   H31-11 (LIN1) - Body ground	SB - Body ground*1 B - Body ground*2	LIN communication line	Engine switch on (IG)	Pulse generation
   H31-13 (LIN3) - Body ground	W - Body ground	LIN communication line	Engine switch on (IG)	Pulse generation

   *1: for LHD

   *2: for RHD

CHECK FRONT MULTIPLEX NETWORK DOOR ECU RH

1. Disconnect the H12 front multiplex network door ECU RH connector.

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

   Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
   H12-6 (BDR) - H12-1 (GND)	R - W-B	Power supply	Always	11 to 14 V
   H12-3 (SIG) - H12-1 (GND)	B - W-B	Engine switch power supply	Engine switch on (IG)	11 to 14 V
   H12-4 (CPUB) - H12-1 (GND)	L - W-B	IG power supply	Always	11 to 14 V
   H12-1 (GND) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω

3. Reconnect the H12 front multiplex network door ECU RH connector.

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

   Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
   H12-5 (BDRJ) - H12-1 (GND)	LA-R - W-B*1 LA-L - W-B*2	Power window regulator motor power supply	Always	11 to 14 V
   H12-2 (PWE) - Body ground	LA-B - Body ground	Ground	Always	Below 1 Ω
   H12-9 (SGND) - Body ground	R - Body ground	Ground	Always	Below 1 Ω

   *1: for LHD

   *2: for RHD

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

   Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
   H12-11 (LIN1) - Body ground	B - Body ground*1 SB - Body ground*2	LIN communication line	Engine switch on (IG)	Pulse generation
   H13-12 (LIN3) - Body ground	W - Body ground	LIN communication line	Engine switch on (IG)	Pulse generation

   *1: for LHD

   *2: for RHD

CHECK REAR MULTIPLEX NETWORK DOOR ECU LH

1. Disconnect the K21 rear multiplex network door ECU LH connector.

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

   Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
   K21-4 (BDR) - K21-1 (GND)	L - LA	Power supply	Always	11 to 14 V
   K21-12 (SIG) - K21-1 (GND)	B - LA	IG power supply	Engine switch on (IG)	11 to 14 V
   K21-11 (CPUB) - K21-1 (GND)	L - LA	Power supply	Always	11 to 14 V
   K21-1 (GND) - Body ground	LA - Body ground	Ground	Always	Below 1 Ω

3. Reconnect the K21 rear multiplex network door ECU LH connector.

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

   Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
   K21-3 (BDRJ) - K21-1 (GND)	LA-B - LA	Power window regulator motor power supply	Always	11 to 14 V
   K21-2 (PWE) - Body ground	LA-B - Body ground	Ground	Always	Below 1 Ω
   K21-9 (SGND) - Body ground	R - Body ground	Ground	Always	Below 1 Ω

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

   Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
   K21-22 (LIN1) - Body ground	B - Body ground	LIN communication line	Engine switch on (IG)	Pulse generation
   K21-23 (LIN3) - Body ground	L - Body ground	LIN communication line	Engine switch on (IG)	Pulse generation

CHECK REAR MULTIPLEX NETWORK DOOR ECU RH

1. Disconnect the K7 rear multiplex network door ECU RH connector.

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

   Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
   K7-4 (BDR) - K7-1 (GND)	B - LA	Power supply	Always	11 to 14 V
   K7-12 (SIG) - K7-1 (GND)	L - LA	IG switch power supply	Engine switch on (IG)	11 to 14 V
   K7-11 (CPUB) - K7-1 (GND)	L - LA	Battery power supply	Always	11 to 14 V
   K7-1 (GND) - Body ground	LA - Body ground	Ground	Always	Below 1 Ω

3. Reconnect the K7 rear multiplex network door ECU RH connector.

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

   Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
   K7-3 (BDRJ) - K7-1 (GND)	LA-BE - LA	Power window regulator motor power supply	Always	11 to 14 V
   K7-2 (PWE) - Body ground	LA-B - Body ground	Ground	Always	Below 1 Ω
   K7-9 (SGND) - Body ground	R - Body ground	Ground	Always	Below 1 Ω

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

   Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
   K7-22 (LIN1) - Body ground	B - Body ground	LIN communication line	Engine switch on (IG)	Pulse generation
   K7-23 (LIN3) - Body ground	L - Body ground	LIN communication line	Engine switch on (IG)	Pulse generation

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

*1

Main Body ECU (Multiplex Network Body ECU)

-

-

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

   Click here

2. Reconnect the instrument panel junction block assembly connectors.

3. 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-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

4. Install the main body ECU (multiplex network body ECU) to the instrument panel junction block assembly.

   Click here

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

   for LHD

   Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
   G12-1 (FLCY) - Body ground	R - Body ground	Front door courtesy light switch assembly LH input	Front door courtesy light switch assembly LH open	Below 1 V
   			Front door courtesy light switch assembly LH closed	4.7 to 5.3 V
   G17-18 (L2) - Body ground	Y - 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
   G17-17 (UL3) - Body ground	LG - Body ground	Driver door key-linked unlock input	Driver door key cylinder turned to unlock	Below 1 V
   			Driver door key cylinder off	Pulse generation
   5A-19 - Body ground	L - Body ground	LIN communication line	Engine switch on (IG)	Pulse generation
   5H-34 - Body ground	BE - Body ground	LIN communication line	Engine switch on (IG)	Pulse generation
   5H-35 - Body ground	B - Body ground	LIN communication line	Engine switch on (IG)	Pulse generation

   for RHD

   Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
   G12-6 (FRCY) - Body ground	R - Body ground	Front door courtesy light switch assembly RH input	Front door courtesy light switch assembly RH open	Below 1 V
   			Front door courtesy light switch assembly RH closed	4.7 to 5.3 V
   G17-18 (L2) - Body ground	Y - 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
   G17-17 (UL3) - Body ground	LG - Body ground	Driver door key-linked unlock input	Driver door key cylinder turned to unlock	Below 1 V
   			Driver door key cylinder off	Pulse generation
   5A-40 - Body ground	L - Body ground	LIN communication line	Engine switch on (IG)	Pulse generation
   5H-33 - Body ground	LG - Body ground	LIN communication line	Engine switch on (IG)	Pulse generation
   5H-34 - Body ground	B - Body ground	LIN communication line	Engine switch on (IG)	Pulse generation