RM38T0EC _57 Power Source / Network _104409 NETWORKING _0510092 LIN COMMUNICATION SYSTEM U

NETWORKING  LIN COMMUNICATION SYSTEM  TERMINALS OF ECU  


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


E469803C06
4.417,3.24 4.802,3.469 0.385,0.229 2.281,4.5 2.667,4.729 0.385,0.229 4.594,4.5 4.979,4.729 0.385,0.229 1.146,6.104 1.531,6.333 0.385,0.229 3,6.104 3.385,6.333 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 2.135,1.385 2.521,1.615 0.385,0.229 2.135,1.771 2.521,2 0.385,0.229 2.292,3.24 2.677,3.469 0.385,0.229 3.792,0.292 4.177,0.521 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 2.01,0.698 2.333,0.427 false 1.396,0.521 1.719,0.25 false 0.948,1.875 1.26,2.073 0.313,0.198 10 false 8K 0.948,2.385 1.26,2.583 0.313,0.198 10 false 8H 0.958,1.083 1.271,1.281 0.313,0.198 10 false 8F 0.958,1.583 1.271,1.781 0.313,0.198 10 false 8E 2.229,1.417 2.688,1.615 0.458,0.198 10 false I86 2.229,1.813 2.688,2.01 0.458,0.198 10 false I85 3.854,0.313 4.24,0.5 0.385,0.188 10 false MB 2.396,3.26 2.865,3.469 0.469,0.208 10 false I85 4.521,3.26 4.979,3.458 0.458,0.198 10 false I86 3.104,6.135 3.563,6.333 0.458,0.198 10 false 8E 3.51,7.802 3.969,8 0.458,0.198 10 false MB 2.385,0.354 2.698,0.552 0.313,0.198 10 false *2 6.021,1.719 6.333,1.917 0.313,0.198 10 false 8B 6.031,1.135 6.344,1.333 0.313,0.198 10 false 8C 0.948,2.135 1.26,2.333 0.313,0.198 10 false 8J 4.688,4.521 5,4.719 0.313,0.198 10 false 8B 2.375,4.531 2.688,4.729 0.313,0.198 10 false 8C 1.26,6.135 1.573,6.333 0.313,0.198 10 false 8F 4.344,6.125 4.656,6.323 0.313,0.198 10 false 8K 5.344,6.125 5.656,6.323 0.313,0.198 10 false 8J 6.365,6.125 6.677,6.323 0.313,0.198 10 false 8H 1.771,0.146 2.083,0.344 0.313,0.198 10 false *1
*1 Power Distribution Box Assembly *2 Main Body ECU (Multiplex Network Body ECU)



b.

Connect the power distribution box assembly connectors.


c.

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 Switch Condition Specified Condition
MB-13 (GND1) - Body ground Ground Always Below 1 Ω
MB-26 (BECU) - Body ground Auxiliary battery power supply Ignition switch off 11 to 14 V
MB-27 (IGR) - Body ground IG power supply Ignition switch ON 11 to 14 V
Ignition switch off Below 1 V



e.

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

Terminal No. (Symbol) Terminal Description Switch Condition Specified Condition
8F-17 - Body ground LIN communication line Ignition switch ON Pulse generation
8B-37 - Body ground*1, *2

*1: w/ Sliding Roof System

*2: w/ Panoramic Moon Roof System




CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY (DRIVER DOOR)


B622281E01
2.146,0.802 2.646,1.052 0.5,0.25 2.302,0.844 2.615,1.042 0.313,0.198 10 false L2

a.

Disconnect the L2 front 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 Switch Condition Specified Condition
L2-2 (B) - Body ground Auxiliary battery power supply Ignition switch off 11 to 14 V
L2-1 (GND) - Body ground Ground Always Below 1 Ω


c.

Reconnect the L2 front 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 Switch Condition Specified Condition
L2-9 (LIN) - Body ground LIN communication line Ignition switch ON Pulse generation



CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY (FRONT PASSENGER DOOR)


B622280E01
2.125,0.802 2.625,1.052 0.5,0.25 2.292,0.844 2.604,1.042 0.313,0.198 10 false K2

a.

Disconnect the K2 front 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 Switch Condition Specified Condition
K2-2 (B) - Body ground Auxiliary battery power supply Ignition switch off 11 to 14 V
K2-1 (GND) - Body ground Ground Always Below 1 Ω


c.

Reconnect the K2 front 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 Switch Condition Specified Condition
K2-9 (LIN) - Body ground LIN communication line Ignition switch ON Pulse generation



CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY (REAR RH DOOR)


B623663E01
2.25,0.75 2.667,1 0.417,0.25 2.354,0.781 2.667,0.979 0.313,0.198 10 false M2

a.

Disconnect the M2 rear 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 Switch Condition Specified Condition
M2-2 (B) - Body ground Auxiliary battery power supply Ignition switch off 11 to 14 V
M2-1 (GND) - Body ground Ground Always Below 1 Ω


c.

Reconnect the M2 rear 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 Switch Condition Specified Condition
M2-9 (LIN) - Body ground LIN communication line Ignition switch ON Pulse generation



CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY (REAR LH DOOR)


B623663E02
2.167,0.75 2.583,1 0.417,0.25 2.292,0.781 2.604,0.979 0.313,0.198 10 false N2

a.

Disconnect the N2 rear 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 Switch Condition Specified Condition
N2-2 (B) - Body ground Auxiliary battery power supply Ignition switch off 11 to 14 V
N2-1 (GND) - Body ground Ground Always Below 1 Ω


c.

Reconnect the N2 rear 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 Switch Condition Specified Condition
N2-9 (LIN) - Body ground LIN communication line Ignition switch ON Pulse generation



CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY


B131578E49
3.396,0.229 3.813,0.479 0.417,0.25 3.521,0.26 3.833,0.448 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 Switch Condition Specified Condition
L7-11 (B) - Body ground Auxiliary battery power supply Ignition switch off 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 Switch Condition Specified Condition
L7-17 (LIN1) - Body ground LIN communication line Ignition switch ON Pulse generation
L7-16 (LIN2) - Body ground



CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)


B574584E24
4.802,0.406 5.219,0.656 0.417,0.25 4.885,0.448 5.292,0.656 0.406,0.208 10 false I222

a.

Disconnect the I222 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 Switch Condition Specified Condition
I222-6 (+B) - Body ground Auxiliary battery power supply Ignition switch off 11 to 14 V
I222-29 (E) - Body ground Ground Always Below 1 Ω


c.

Reconnect the I222 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 Switch Condition Specified Condition
I222-8 (LIN) - Body ground LIN communication line Ignition switch ON Pulse generation



CHECK ID CODE BOX (IMMOBILISER CODE ECU)


B463193E06
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 Switch Condition Specified Condition
I20-1 (+B) - Body ground Auxiliary battery power supply Ignition switch off 11 to 14 V
I20-5 (GND) - Body ground Ground Always Below 1 Ω


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 Switch Condition Specified Condition
I20-2 (LIN1) - 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 Switch Condition Specified Condition
T12-1 (B) - Body ground Auxiliary battery power supply Ignition switch off 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 Switch Condition Specified Condition
T12-7 (MPX1) - Body ground LIN communication line Ignition switch ON Pulse generation



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


B417851N97
3.333,0.083 3.75,0.333 0.417,0.25 3.49,0.115 3.802,0.313 0.313,0.198 10 false f1

a.

Disconnect the f1 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 Switch Condition Specified Condition
f1-1 (B) - Body ground Auxiliary battery power supply Ignition switch off 11 to 14 V
f1-2 (E) - Body ground Ground Always Below 1 Ω


c.

Reconnect the f1 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 Switch Condition Specified Condition
f1-7 (MPX1) - Body ground LIN communication line Ignition switch ON Pulse generation



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


B590753N02
3.365,0.188 3.781,0.438 0.417,0.25 3.458,0.229 3.844,0.448 0.385,0.219 10 false R14

a.

Disconnect the R14 kick door control sensor assembly connector.


b.

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

Terminal No. (Symbol) Terminal Description Condition Specified Condition
R14-3 (B) - Body ground Auxiliary battery power supply Ignition switch ON 11 to 14 V
R14-4 (GND) - Body ground Ground Always Below 1 Ω


c.

Reconnect the R14 kick door control sensor assembly connector.


d.

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

Terminal No. (Symbol) Terminal Description Condition Specified Condition
R14-1 (LIN) - Body ground LIN communication line Ignition switch ON Pulse generation