RM3660EC _57 Power Source / Network _080743 NETWORKING _0600577 LIN COMMUNICATION SYSTEM(for NR Series Engine) U

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


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


B472410E67
3.156,3.219 3.594,3.469 0.438,0.25 5.448,3.208 5.885,3.458 0.438,0.25 1.698,4.573 2.135,4.823 0.438,0.25 5.385,4.573 5.823,4.823 0.438,0.25 1.104,6.167 1.542,6.417 0.438,0.25 3.667,6.125 4.104,6.375 0.438,0.25 5.292,6.198 5.729,6.448 0.438,0.25 6.313,6.198 6.75,6.448 0.438,0.25 3.365,7.646 3.802,7.896 0.438,0.25 1.125,3.271 1.563,3.521 0.438,0.25 1.656,1.208 1.958,1.208 false 1.667,1.552 1.969,1.552 false 1.667,1.875 1.969,1.875 false 4.042,0.792 4.042,0.313 4.042,0.313 4.229,0.313 false 3.469,7.698 3.781,7.896 0.313,0.198 10 false MB 4.292,0.24 4.604,0.438 0.313,0.198 10 false MB 2.042,1.135 2.354,1.333 0.313,0.198 10 false I86 2.052,1.479 2.365,1.677 0.313,0.198 10 false I85 0.875,1.083 1.188,1.281 0.313,0.198 10 false 4A 0.875,1.667 1.188,1.865 0.313,0.198 10 false 4B 0.885,2.031 1.198,2.229 0.313,0.198 10 false 4C 0.906,2.26 1.219,2.458 0.313,0.198 10 false 4D 5.854,1.146 6.167,1.344 0.313,0.198 10 false 4F 5.854,1.76 6.167,1.958 0.313,0.198 10 false 4E 1.271,3.302 1.583,3.5 0.313,0.198 10 false I84 3.271,3.271 3.583,3.469 0.313,0.198 10 false I85 5.542,3.26 5.854,3.458 0.313,0.198 10 false I86 1.833,4.625 2.146,4.823 0.313,0.198 10 false 4E 1.24,6.219 1.552,6.417 0.313,0.198 10 false 4B 3.813,6.177 4.125,6.375 0.313,0.198 10 false 4A 6.438,6.24 6.75,6.438 0.313,0.198 10 false 4C 5.427,6.25 5.74,6.448 0.313,0.198 10 false 4D 5.51,4.625 5.823,4.823 0.313,0.198 10 false 4F 2.052,1.792 2.469,2 0.417,0.208 10 false I84

a.

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

Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU>REMOVAL


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-11 (GND1) - Body ground Ground Always Below 1 Ω
MB-31 (BECU) - Body ground Battery power supply Always 11 to 14 V
MB-30 (ACC) - Body ground ACC power supply Ignition switch ACC 11 to 14 V
Ignition switch off Below 1 V
MB-32 (IG) - Body ground IG power supply Ignition switch ON 11 to 14 V
Ignition switch off Below 1 V


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
4A-25 - Body ground LIN communication line Ignition switch ON Pulse generation
4F-17 - Body ground* LIN communication line Ignition switch ON Pulse generation

*: w/ Sliding Roof System




CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (DRIVER DOOR)


B286202N87
2.031,0.74 2.448,0.99 0.417,0.25 2.146,0.771 2.469,0.979 0.323,0.208 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 Battery power supply Always 11 to 14 V
L2-1 (GND) - Body ground Ground Always Below 1 Ω


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)


B286202N88
2.031,0.719 2.448,0.969 0.417,0.25 2.146,0.75 2.469,0.958 0.323,0.208 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 Battery power supply Always 11 to 14 V
K2-1 (GND) - Body ground Ground Always Below 1 Ω


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)


B203471N65
2.167,0.698 2.583,0.948 0.417,0.25 2.26,0.74 2.594,0.927 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 Battery power supply Always 11 to 14 V
M2-1 (GND) - Body ground Ground Always Below 1 Ω


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)


B203471N66
2.167,0.75 2.583,1 0.417,0.25 2.281,0.802 2.563,0.99 0.281,0.188 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 Battery power supply Always 11 to 14 V
N2-1 (GND) - Body ground Ground Always Below 1 Ω


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 MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY


B131578N57
3.375,0.25 3.792,0.5 0.417,0.25 3.51,0.292 3.823,0.479 0.313,0.188 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 Battery power supply Always 11 to 14 V
L7-12 (GND) - Body ground Ground Always Below 1 Ω


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


B417851N67
3.333,0.083 3.75,0.333 0.417,0.25 3.417,0.115 3.729,0.313 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 Battery power supply Always 11 to 14 V
T12-2 (E) - Body ground Ground Always Below 1 Ω


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)


B519512N27
2,0.417 2.417,0.667 0.417,0.25 3.25,0.406 3.667,0.656 0.417,0.25 4.5,0.417 4.917,0.667 0.417,0.25 2.083,0.458 2.396,0.656 0.313,0.198 10 false O62 3.333,0.448 3.646,0.646 0.313,0.198 10 false O61 4.667,0.458 4.979,0.656 0.313,0.198 10 false I1

a.

Disconnect the I1 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
I1-3 (+B) - Body ground Battery power supply Always 11 to 14 V
I1-18 (E) - Body ground Ground Always Below 1 Ω


c.

Reconnect the I1 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
I1-14 (LIN) - Body ground LIN communication line Ignition switch ON Pulse generation



CHECK STEERING LOCK ECU (STEERING LOCK ACTUATOR OR UPPER BRACKET ASSEMBLY)


B439652N07
3.417,0.313 3.833,0.563 0.417,0.25 3.521,0.344 3.833,0.542 0.313,0.198 10 false I59

a.

Disconnect the I59 steering lock ECU (steering lock actuator or upper bracket assembly) connector.


b.

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

Terminal No. (Symbol) Terminal Description Condition Specified Condition
I59-7 (B) - Body ground Battery power supply Always 11 to 14 V
I59-1 (GND) - Body ground Ground Always Below 1 Ω


c.

Reconnect the I59 steering lock ECU (steering lock actuator or upper bracket assembly) connector.


d.

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

Terminal No. (Symbol) Terminal Description Condition Specified Condition
I59-5 (LIN) - Body ground LIN communication line Ignition switch ON Pulse generation



CHECK ID CODE BOX (IMMOBILISER CODE ECU)


B463193N05
3.344,0.146 3.792,0.417 0.448,0.271 3.458,0.188 4.073,0.385 0.615,0.198 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 Always 11 to 14 V


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