NETWORKING LIN COMMUNICATION SYSTEM TERMINALS OF ECU

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

3.396,3.25 3.781,3.479 0.385,0.229 1.521,4.5 1.906,4.729 0.385,0.229 3.875,4.5 4.26,4.729 0.385,0.229 5.698,4.5 6.083,4.729 0.385,0.229 1.146,6.104 1.531,6.333 0.385,0.229 2.938,6.104 3.323,6.333 0.385,0.229 4.25,6.104 4.635,6.333 0.385,0.229 3.438,7.781 3.823,8.01 0.385,0.229 1.24,3.24 1.625,3.469 0.385,0.229 5.26,6.104 5.646,6.333 0.385,0.229 6.26,6.104 6.646,6.333 0.385,0.229 5.458,3.25 5.844,3.479 0.385,0.229 1.958,1.229 2.26,1.229 false 4.26,0.813 4.26,0.26 4.26,0.26 4.438,0.26 false 1.958,1.552 2.26,1.552 false 1.958,1.875 2.26,1.875 false 0.969,1.885 1.281,2.083 0.313,0.198 10 false 4H 1.167,2.385 1.479,2.583 0.313,0.198 10 false 4F 0.979,1.083 1.292,1.281 0.313,0.198 10 false 4E 0.979,1.594 1.292,1.792 0.313,0.198 10 false 4D 6.052,2.094 6.365,2.292 0.313,0.198 10 false 4A 2.333,1.49 2.792,1.688 0.458,0.198 10 false E36 2.333,1.813 2.792,2.01 0.458,0.198 10 false E37 4.5,0.198 4.885,0.385 0.385,0.188 10 false MB 1.333,3.292 1.802,3.5 0.469,0.208 10 false E37 3.49,3.292 3.948,3.49 0.458,0.198 10 false E36 3.052,6.146 3.51,6.344 0.458,0.198 10 false 4D 5.813,4.542 6.271,4.74 0.458,0.198 10 false 4A 3.542,7.813 4,8.01 0.458,0.198 10 false MB 6.031,1.729 6.344,1.927 0.313,0.198 10 false 4B 6.031,1.146 6.344,1.344 0.313,0.198 10 false 4C 0.969,2.146 1.281,2.344 0.313,0.198 10 false 4G 3.979,4.552 4.292,4.75 0.313,0.198 10 false 4B 1.635,4.542 1.948,4.74 0.313,0.198 10 false 4C 1.26,6.135 1.573,6.333 0.313,0.198 10 false 4E 4.365,6.146 4.677,6.344 0.313,0.198 10 false 4H 5.354,6.146 5.667,6.344 0.313,0.198 10 false 4G 6.375,6.146 6.688,6.344 0.313,0.198 10 false 4F 5.542,3.302 6,3.5 0.458,0.198 10 false E38 2.323,1.156 2.781,1.354 0.458,0.198 10 false E38

a.

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

Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU>REMOVAL202203,202303,_57,_111828,_0500082,RM1000000022I31,202303,999999,_57,_111828,_0500082,RM100000002B19F,

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 disconnected.

Terminal No. (Symbol)	Terminal Description	Condition	Specified Condition
MB-13 (GND1) - Body ground	Ground	Always	Below 1 Ω
MB-26 (BECU) - Body ground	Auxiliary battery power supply	Ignition switch off1 Always2	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 HV Model

*2: for Gasoline 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
4E-17 - Body ground	LIN communication line	Ignition switch ON	Pulse generation
4B-37 - Body ground*	LIN communication line	Ignition switch ON	Pulse generation

*: w/ Panoramic Fixed Moonroof with One-touch Frosted Glass Control System

CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY

3.385,0.229 3.802,0.479 0.417,0.25 3.542,0.271 3.906,0.5 0.365,0.229 10 false I2

a.

Disconnect the I2 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
I2-11 (B) - Body ground	Auxiliary battery power supply	Ignition switch off1 Always2	11 to 14 V
I2-12 (GND) - Body ground	Ground	Always	Below 1 Ω

*1: for HV Model

*2: for Gasoline Model

c.

Reconnect the I2 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
I2-17 (LIN1) - Body ground	LIN communication line	Ignition switch ON	Pulse generation
I2-16 (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 G4

a.

Disconnect the G4 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
G4-2 (B) - Body ground	Auxiliary battery power supply	Ignition switch off1 Always2	11 to 14 V
G4-1 (GND) - Body ground	Ground	Always	Below 1 Ω

*1: for HV Model

*2: for Gasoline Model

c.

Reconnect the G4 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
G4-9 (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 2.365,0.781 2.698,1.094 0.333,0.313 10 false G5

a.

Disconnect the G5 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
G5-2 (B) - Body ground	Auxiliary battery power supply	Ignition switch off1 Always2	11 to 14 V
G5-1 (GND) - Body ground	Ground	Always	Below 1 Ω

*1: for HV Model

*2: for Gasoline Model

c.

Reconnect the G5 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
G5-9 (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 2.281,0.729 2.615,0.917 0.333,0.188 10 false H5

a.

Disconnect the H5 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
H5-2 (B) - Body ground	Auxiliary battery power supply	Ignition switch off1 Always2	11 to 14 V
H5-1 (GND) - Body ground	Ground	Always	Below 1 Ω

*1: for HV Model

*2: for Gasoline Model

c.

Reconnect the H5 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
H5-9 (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 2.281,0.781 2.563,0.969 0.281,0.188 10 false H6

a.

Disconnect the H6 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
H6-2 (B) - Body ground	Auxiliary battery power supply	Ignition switch off1 Always2	11 to 14 V
H6-1 (GND) - Body ground	Ground	Always	Below 1 Ω

*1: for HV Model

*2: for Gasoline Model

c.

Reconnect the H6 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
H6-9 (LIN) - Body ground	LIN communication line	Ignition switch ON	Pulse generation

CHECK ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) (w/ Panoramic Fixed Moonroof with One-touch Frosted Glass Control System)

3.354,0.104 3.781,0.333 0.427,0.229 3.479,0.125 3.792,0.323 0.313,0.198 10 false Q2

a.

Disconnect the Q2 roof sunshade ECU (sliding roof drive gear 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
Q2-10 (B) - Body ground	Auxiliary battery power supply	Ignition switch off1 Always2	11 to 14 V
Q2-5 (E) - Body ground	Ground	Always	Below 1 Ω

*1: for HV Model

*2: for Gasoline Model

c.

Reconnect the Q2 roof sunshade ECU (sliding roof drive gear assembly) connector.

d.

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

Terminal No. (Symbol)	Terminal Description	Condition	Specified Condition
Q2-7 (MPX1) - Body ground	LIN communication line	Ignition switch ON	Pulse generation

CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

4.76,0.5 5.26,0.75 0.5,0.25 3.396,0.5 3.896,0.75 0.5,0.25 1.948,0.5 2.448,0.75 0.5,0.25 4.885,0.531 5.344,0.729 0.458,0.198 10 false E52 3.552,0.531 4.01,0.729 0.458,0.198 10 false K6 2.073,0.531 2.531,0.729 0.458,0.198 10 false A15

a.

Disconnect the E52 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
E52-6 (+B) - Body ground	Auxiliary battery power supply	Ignition switch off1 Always2	11 to 14 V
E52-29 (E) - Body ground	Ground	Always	Below 1 Ω

*1: for HV Model

*2: for Gasoline Model

c.

Reconnect the E52 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
E52-8 (LIN) - Body ground	LIN communication line	Ignition switch ON	Pulse generation

CHECK ID CODE BOX (IMMOBILISER CODE ECU)

3.396,0.167 3.792,0.396 0.396,0.229 3.479,0.188 3.76,0.344 0.281,0.156 10 false E55

a.

Disconnect the E55 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
E55-5 (GND) - Body ground	Ground	Ignition switch off1 Always2	Below 1 Ω
E55-1 (+B) - Body ground	+B power supply	Always	11 to 14 V

*1: for HV Model

*2: for Gasoline Model

c.

Reconnect the E55 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
E55-2 (LIN1) - Body ground	LIN communication line	Ignition switch ON	Pulse generation

CHECK KICK DOOR CONTROL SENSOR (w/ Hands Free Power Back Door)

3.365,0.198 3.792,0.427 0.427,0.229 3.458,0.229 3.771,0.427 0.313,0.198 10 false S14

a.

Disconnect the S14 kick door control sensor connector.

b.

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

Terminal No. (Symbol)	Terminal Description	Condition	Specified Condition
S14-3 (B) - Body ground	Auxiliary battery power supply	Ignition switch off1 Always2	11 to 14 V
S14-4 (GND) - Body ground	Ground	Always	Below 1 Ω

*1: for HV Model

*2: for Gasoline Model

c.

Reconnect the S14 kick door control sensor connector.

d.

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

Terminal No. (Symbol)	Terminal Description	Condition	Specified Condition
S14-1 (LIN) - Body ground	LIN communication line	Ignition switch ON	Pulse generation