NETWORKING LIN COMMUNICATION SYSTEM(except NR Series Engine) TERMINALS OF ECU

CHECK POWER DISTRIBUTION BOX ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

2.385,3.219 2.823,3.469 0.438,0.25 4.708,3.208 5.146,3.458 0.438,0.25 1.76,4.573 2.198,4.823 0.438,0.25 5.385,4.573 5.823,4.823 0.438,0.25 1.208,6.156 1.646,6.406 0.438,0.25 3.083,6.125 3.521,6.375 0.438,0.25 6.281,6.135 6.719,6.385 0.438,0.25 3.531,7.865 3.969,8.115 0.438,0.25 5.281,6.135 5.719,6.385 0.438,0.25 4.271,6.135 4.708,6.385 0.438,0.25 1.667,1.365 1.969,1.365 false 4.042,0.802 4.042,0.323 4.042,0.323 4.229,0.323 false 1.656,1.698 1.958,1.698 false 3.635,7.906 3.948,8.104 0.313,0.198 10 false MB 4.281,0.229 4.594,0.427 0.313,0.198 10 false MB 2.021,1.281 2.333,1.479 0.313,0.198 10 false I86 2.021,1.615 2.333,1.813 0.313,0.198 10 false I85 0.792,1.083 1.104,1.281 0.313,0.198 10 false 10G 0.802,1.51 1.115,1.708 0.313,0.198 10 false 10A 0.813,1.781 1.125,1.979 0.313,0.198 10 false 10C 5.813,1.146 6.125,1.344 0.313,0.198 10 false 10F 2.51,3.26 2.823,3.458 0.313,0.198 10 false I85 4.833,3.26 5.146,3.458 0.313,0.198 10 false I86 1.865,4.615 2.177,4.813 0.313,0.198 10 false 10E 1.313,6.198 1.625,6.396 0.313,0.198 10 false 10G 3.188,6.167 3.5,6.365 0.313,0.198 10 false 10A 4.365,6.177 4.677,6.375 0.313,0.198 10 false 10C 5.375,6.177 5.688,6.375 0.313,0.198 10 false 10B 0.813,2.25 1.125,2.448 0.313,0.198 10 false 10D 0.813,2.01 1.125,2.208 0.313,0.198 10 false 10B 6.375,6.177 6.688,6.375 0.313,0.198 10 false 10D 5.479,4.615 5.792,4.813 0.313,0.198 10 false 10F 5.802,1.76 6.115,1.958 0.313,0.198 10 false 10E

a.

Disconnect the MB main body ECU (multiplex network body ECU) connector.

Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU>REMOVAL202304,202502,_57,_080742,_0392832,RM100000002B2HJ,202502,999999,_57,_080742,_0392832,RM100000002RPNZ,

b.

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

HINT:: Measure the values on the wire harness side with the connectors connected.

Terminal No. (Symbol)	Terminal Description	Condition	Specified Condition
MB-13 (GND1) - Body ground	Ground	Always	Below 1 Ω
MB-14 (GND2) - Body ground	Ground	Always	Below 1 Ω
MB-26 (BECU) - Body ground	Auxiliary battery power supply	Always1 Ignition switch off2	11 to 14 V
MB-27 (IGR) - Body ground	IG power supply	Ignition switch ON	11 to 14 V
MB-27 (IGR) - Body ground	IG power supply	Ignition switch off	Below 1 V

*1: for Gasoline Model

*2: for HV Model

c.

Reconnect the MB main body ECU (multiplex network body ECU) connector.

d.

Check for pulses according to the value(s) in the table below.

Terminal No. (Symbol)	Terminal Description	Condition	Specified Condition
10E-15 - Body ground*	LIN communication line	Ignition switch ON	Pulse generation
10G-11 - Body ground	LIN communication line	Ignition switch ON	Pulse generation

*: w/ Sliding Roof System

CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY

3.385,0.229 3.802,0.479 0.417,0.25 3.51,0.271 3.875,0.5 0.365,0.229 10 false L7

a.

Disconnect the L7 multiplex network master switch assembly connector.

b.

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

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

Terminal No. (Symbol)	Terminal Description	Condition	Specified Condition
L7-11 (B) - Body ground	Auxiliary battery power supply	Always1 Ignition switch off2	11 to 14 V
L7-12 (GND) - Body ground	Ground	Always	Below 1 Ω

*1: for Gasoline Model

*2: for HV Model

c.

Reconnect the L7 multiplex network master switch assembly connector.

d.

Check for pulses according to the value(s) in the table below.

Terminal No. (Symbol)	Terminal Description	Condition	Specified Condition
L7-17 (LIN1) - Body ground	LIN communication line	Ignition switch ON	Pulse generation
L7-16 (LIN2) - Body ground	LIN communication line	Ignition switch ON	Pulse generation

CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (DRIVER DOOR)

2.25,0.75 2.667,1 0.417,0.25 2.365,0.781 2.698,1.094 0.333,0.313 10 false L2

a.

Disconnect the L2 power window regulator motor assembly (driver door) connector.

b.

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

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

Terminal No. (Symbol)	Terminal Description	Condition	Specified Condition
L2-2 (B) - Body ground	Auxiliary battery power supply	Always1 Ignition switch off2	11 to 14 V
L2-1 (GND) - Body ground	Ground	Always	Below 1 Ω

*1: for Gasoline Model

*2: for HV Model

c.

Reconnect the L2 power window regulator motor assembly (driver door) connector.

d.

Check for pulses according to the value(s) in the table below.

Terminal No. (Symbol)	Terminal Description	Condition	Specified Condition
L2-9 (LIN) - Body ground	LIN communication line	Ignition switch ON	Pulse generation

CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (FRONT PASSENGER DOOR)

2.25,0.75 2.667,1 0.417,0.25 2.375,0.792 2.708,1.104 0.333,0.313 10 false K2

a.

Disconnect the K2 power window regulator motor assembly (front passenger door) connector.

b.

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

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

Terminal No. (Symbol)	Terminal Description	Condition	Specified Condition
K2-2 (B) - Body ground	Auxiliary battery power supply	Always1 Ignition switch off2	11 to 14 V
K2-1 (GND) - Body ground	Ground	Always	Below 1 Ω

*1: for Gasoline Model

*2: for HV Model

c.

Reconnect the K2 power window regulator motor assembly (front passenger door) connector.

d.

Check for pulses according to the value(s) in the table below.

Terminal No. (Symbol)	Terminal Description	Condition	Specified Condition
K2-9 (LIN) - Body ground	LIN communication line	Ignition switch ON	Pulse generation

CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (REAR RH DOOR)

2.167,0.698 2.583,0.948 0.417,0.25 2.323,0.729 2.656,0.917 0.333,0.188 10 false M2

a.

Disconnect the M2 power window regulator motor assembly (rear RH door) connector.

b.

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

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

Terminal No. (Symbol)	Terminal Description	Condition	Specified Condition
M2-2 (B) - Body ground	Auxiliary battery power supply	Always1 Ignition switch off2	11 to 14 V
M2-1 (GND) - Body ground	Ground	Always	Below 1 Ω

*1: for Gasoline Model

*2: for HV Model

c.

Reconnect the M2 power window regulator motor assembly (rear RH door) connector.

d.

Check for pulses according to the value(s) in the table below.

Terminal No. (Symbol)	Terminal Description	Condition	Specified Condition
M2-9 (LIN) - Body ground	LIN communication line	Ignition switch ON	Pulse generation

CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (REAR LH DOOR)

2.167,0.75 2.583,1 0.417,0.25 2.271,0.792 2.583,1.052 0.313,0.26 10 false N2

a.

Disconnect the N2 power window regulator motor assembly (rear LH door) connector.

b.

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

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

Terminal No. (Symbol)	Terminal Description	Condition	Specified Condition
N2-2 (B) - Body ground	Auxiliary battery power supply	Always1 Ignition switch off2	11 to 14 V
N2-1 (GND) - Body ground	Ground	Always	Below 1 Ω

*1: for Gasoline Model

*2: for HV Model

c.

Reconnect the N2 power window regulator motor assembly (rear LH door) connector.

d.

Check for pulses according to the value(s) in the table below.

Terminal No. (Symbol)	Terminal Description	Condition	Specified Condition
N2-9 (LIN) - Body ground	LIN communication line	Ignition switch ON	Pulse generation

CHECK SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) (w/ Sliding Roof System)

3.354,0.104 3.781,0.333 0.427,0.229 3.448,0.135 3.76,0.333 0.313,0.198 10 false T12

a.

Disconnect the T12 sliding roof ECU (sliding roof drive gear sub-assembly) connector.

b.

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

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

Terminal No. (Symbol)	Terminal Description	Condition	Specified Condition
T12-1 (B) - Body ground	Auxiliary battery power supply	Always1 Ignition switch off2	11 to 14 V
T12-2 (E) - Body ground	Ground	Always	Below 1 Ω

*1: for Gasoline Model

*2: for HV Model

c.

Reconnect the T12 sliding roof ECU (sliding roof drive gear sub-assembly) connector.

d.

Check for pulses according to the value(s) in the table below.

Terminal No. (Symbol)	Terminal Description	Condition	Specified Condition
T12-7 (MPX1) - Body ground	LIN communication line	Ignition switch ON	Pulse generation

CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (w/ Smart Entry and Start System)

2,0.479 2.417,0.729 0.417,0.25 3.427,0.479 3.844,0.729 0.417,0.25 4.781,0.479 5.198,0.729 0.417,0.25 2.083,0.51 2.469,0.719 0.385,0.208 10 false I197 3.458,0.521 3.802,0.75 0.344,0.229 10 false O174 4.844,0.521 5.24,0.75 0.396,0.229 10 false I196

a.

Disconnect the I196 certification ECU (smart key ECU assembly) connector.

b.

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

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

Terminal No. (Symbol)	Terminal Description	Condition	Specified Condition
I196-6 (+B) - Body ground	Auxiliary battery power supply	Always1 Ignition switch off2	11 to 14 V
I196-29 (E) - Body ground	Ground	Always	Below 1 Ω

*1: for Gasoline Model

*2: for HV Model

c.

Reconnect the I196 certification ECU (smart key ECU assembly) connector.

d.

Check for pulses according to the value(s) in the table below.

Terminal No. (Symbol)	Terminal Description	Condition	Specified Condition
I196-8 (LIN) - Body ground	LIN communication line	Ignition switch ON	Pulse generation

CHECK ID CODE BOX (IMMOBILISER CODE ECU) (w/ Smart Entry and Start System)

3.396,0.167 3.792,0.396 0.396,0.229 3.51,0.208 3.792,0.365 0.281,0.156 10 false I20

a.

Disconnect the I20 ID code box (immobiliser code ECU) connector.

b.

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

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

Terminal No. (Symbol)	Terminal Description	Condition	Specified Condition
I20-5 (GND) - Body ground	Ground	Always	Below 1 Ω
I20-1 (+B) - Body ground	+B power supply	Always1 Ignition switch off2	11 to 14 V

*1: for Gasoline Model

*2: for HV Model

c.

Reconnect the I20 ID code box (immobiliser code ECU) connector.

d.

Check for pulses according to the value(s) in the table below.

Terminal No. (Symbol)	Terminal Description	Condition	Specified Condition
I20-2 (LIN1) - Body ground	LIN communication line	Ignition switch ON	Pulse generation