RM35X0E _57 Power Source / Network _078518 NETWORKING _0388279 LIN COMMUNICATION SYSTEM U

NETWORKING  LIN COMMUNICATION SYSTEM  TERMINALS OF ECU  


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


E412753C01
3.208,7.729 3.615,8.01 0.406,0.281 5.969,6.26 6.375,6.542 0.406,0.281 2.021,4.49 2.427,4.771 0.406,0.281 5.208,4.469 5.615,4.75 0.406,0.281 1.375,6.073 1.781,6.354 0.406,0.281 3.448,6.083 3.854,6.365 0.406,0.281 5.083,5.969 5.49,6.25 0.406,0.281 5.083,6.302 5.49,6.583 0.406,0.281 3.156,3.052 3.563,3.333 0.406,0.281 5.219,3.042 5.625,3.323 0.406,0.281 1.365,3.063 1.771,3.344 0.406,0.281 0.635,2.167 0.917,2.167 true 1.583,1.438 1.865,1.438 true 1.594,1.698 1.875,1.698 true 1.594,1.146 1.875,1.146 true 1.573,0.51 1.573,0.219 1.573,0.219 1.729,0.219 false 0.854,0.969 1.167,1.167 0.313,0.198 10 false 3D 0.844,1.521 1.156,1.719 0.313,0.198 10 false 3C 0.844,1.854 1.156,2.052 0.313,0.198 10 false 3F 5.833,1.042 6.146,1.24 0.313,0.198 10 false 3B 5.833,1.604 6.146,1.802 0.313,0.198 10 false 3A 0.26,2.083 0.875,2.281 0.615,0.198 10 false 3E*A 0.26,2.281 0.875,2.479 0.615,0.198 10 false 3G*B 3.729,0.833 3.885,1.031 0.156,0.198 10 false A 3.375,7.781 3.531,7.979 0.156,0.198 10 false A 6.094,6.323 6.406,6.521 0.313,0.198 10 false 3F 2.104,4.542 2.417,4.74 0.313,0.198 10 false 3A 5.302,4.531 5.615,4.729 0.313,0.198 10 false 3B 1.5,6.156 1.813,6.354 0.313,0.198 10 false 3C 3.573,6.167 3.885,6.365 0.313,0.198 10 false 3D 5.198,6.021 5.51,6.219 0.313,0.198 10 false 3E 5.188,6.365 5.5,6.563 0.313,0.198 10 false 3G 5.552,6.031 5.865,6.229 0.313,0.198 10 false *A 5.563,6.333 5.875,6.531 0.313,0.198 10 false *B 3.25,3.125 3.708,3.323 0.458,0.198 10 false N19 5.281,3.115 5.74,3.313 0.458,0.198 10 false N18 1.427,3.135 1.885,3.333 0.458,0.198 10 false N20 1.938,1.365 2.396,1.563 0.458,0.198 10 false N19 1.938,1.615 2.396,1.813 0.458,0.198 10 false N20 1.927,1.063 2.385,1.26 0.458,0.198 10 false N18 1.771,0.146 2.083,0.344 0.313,0.198 10 false *1
*A for LHD *B for RHD
*1 Main Body ECU (Multiplex Network Body ECU) - -


a.

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

for LHD: Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU (for LHD)>REMOVAL

for RHD: Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU (for RHD)>REMOVAL



b.

Connect the instrument panel junction block assembly connectors.


c.

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

Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition

*1: w/o Stop and Start System

*2: w/ Stop and Start System

A-32 (IG) - Body ground None - Body ground Ignition power supply Ignition switch ON 11 to 14 V*1
10.5 to 16 V*2
Ignition switch off Below 1 V
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 Ignition switch ACC 11 to 14 V
Ignition switch off Below 1 V
A-11 (GND1) - Body ground None - Body ground Ground Always Below 1 Ω


d.

Install the main body ECU (multiplex network body ECU).

for LHD: Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU (for LHD)>INSTALLATION

for RHD: Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU (for RHD)>INSTALLATION



e.

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

Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
3B-17 - Body ground G - Body ground LIN communication line Ignition switch ON Pulse generation



CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY


B541445C01
0.99,0.24 1.385,0.479 0.396,0.24 1.875,0.24 2.271,0.479 0.396,0.24 1.063,0.271 1.365,0.49 0.302,0.219 10 false R11 2,0.271 2.302,0.49 0.302,0.219 10 false R1 1.469,0.271 1.781,0.469 0.313,0.198 10 false *A 2.354,0.271 2.667,0.469 0.313,0.198 10 false *B
*A for LHD
*B for RHD


a.

Disconnect the R11*1 or R1*2 multiplex network master switch assembly connector.

*1: for LHD

*2: for RHD



b.

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

for LHD
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
R11-1 (B) - Body ground P - Body ground Battery power supply Always 11 to 14 V
R11-6 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

for RHD
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
R1-1 (B) - Body ground P - Body ground Battery power supply Always 11 to 14 V
R1-6 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω


c.

Reconnect the R11*1 or R1*2 multiplex network master switch assembly connector.

*1: for LHD

*2: for RHD



d.

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

for LHD
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
R11-5 (LIN1) - Body ground GR - Body ground LIN communication line Ignition switch ON Pulse generation

for RHD
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
R1-5 (LIN1) - Body ground W - Body ground LIN communication line Ignition switch ON Pulse generation



CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY LH


B290829C01
1.917,0.24 2.333,0.5 0.417,0.26 0.917,0.24 1.333,0.5 0.417,0.26 0.99,0.281 1.292,0.479 0.302,0.198 10 false R12 1.385,0.281 1.729,0.49 0.344,0.208 10 false *A 2,0.292 2.344,0.5 0.344,0.208 10 false R17 2.396,0.281 2.698,0.469 0.302,0.188 10 false *B
*A for LHD
*B for RHD


a.

Disconnect the R12*1 or R17*2 power window regulator motor assembly LH connector.

*1: for LHD

*2: for RHD



b.

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

for LHD
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
R12-2 (B) - Body ground L - Body ground Battery power supply Always 11 to 14 V
R12-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

for RHD
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
R17-2 (B) - Body ground R - Body ground Battery power supply Always 11 to 14 V
R17-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω


c.

Reconnect the R12*1 or R17*2 power window regulator motor assembly LH connector.

*1: for LHD

*2: for RHD



d.

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

for LHD
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
R12-9 (LIN) - Body ground P - Body ground LIN communication line Ignition switch ON Pulse generation

for RHD
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
R17-9 (LIN) - Body ground G - Body ground LIN communication line Ignition switch ON Pulse generation



CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY RH


B290829C02
1.833,0.333 2.25,0.583 0.417,0.25 0.917,0.323 1.333,0.583 0.417,0.26 1.969,0.375 2.188,0.552 0.219,0.177 10 false R2 1.052,0.375 1.344,0.583 0.292,0.208 10 false R7 1.406,0.365 1.698,0.573 0.292,0.208 10 false *A 2.333,0.365 2.625,0.573 0.292,0.208 10 false *B
*A for LHD
*B for RHD


a.

Disconnect the R7*1 or R2*2 power window regulator motor assembly RH connector.

*1: for LHD

*2: for RHD



b.

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

for LHD
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
R7-2 (B) - Body ground R - Body ground Battery power supply Always 11 to 14 V
R7-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

for RHD
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
R2-2 (B) - Body ground L - Body ground Battery power supply Always 11 to 14 V
R2-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω


c.

Reconnect the R7*1 or R2*2 power window regulator motor assembly RH connector.

*1: for LHD

*2: for RHD



d.

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

for LHD
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
R7-9 (LIN) - Body ground G - Body ground LIN communication line Ignition switch ON Pulse generation

for RHD
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
R2-9 (LIN) - Body ground P - Body ground LIN communication line Ignition switch ON Pulse generation



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


C419025
4.427,0.542 4.844,0.781 0.417,0.24 4.469,0.583 4.906,0.802 0.438,0.219 10 false N156

a.

Disconnect the N156 certification ECU (smart key ECU assembly) connector.


b.

Measure the resistance and voltage 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) Wiring Color Terminal Description Condition Specified Condition
N156-4 (+B) - Body ground Y - Body ground Battery power supply Always 11 to 14 V
N156-18 (E) - Body ground BR - Body ground Ground Always Below 1 Ω


c.

Reconnect the N156 certification ECU (smart key ECU assembly) connector.


d.

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

Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
N156-13 (LIN) - Body ground V - Body ground LIN communication line Ignition switch ON Pulse generation



CHECK STEERING LOCK ECU (STEERING LOCK ACTUATOR OR UPPER BRACKET ASSEMBLY) (w/ Entry and Start System)


a.
B338712
1.448,0.26 1.854,0.49 0.406,0.229 1.51,0.292 2,0.521 0.49,0.229 10 false N157

Disconnect the N157 steering lock ECU (steering lock actuator or upper bracket assembly) connector.


b.

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

Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
N157-7 (B) - Body ground V - Body ground Battery power supply Always 11 to 14 V
N157-6 (IG2) - Body ground R - Body ground Ignition power supply Ignition switch ON 11 to 14 V
Ignition switch off Below 1 V
N157-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω


c.

Reconnect the N157 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) Wiring Color Terminal Description Condition Specified Condition
N157-5 (LIN) - Body ground LG - Body ground LIN communication line Ignition switch ON Pulse generation



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


B463193E02
3.344,0.146 3.792,0.417 0.448,0.271 3.427,0.208 4.052,0.458 0.625,0.25 10 false N158

a.

Disconnect the N158 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) Wiring Color Terminal Description Condition Specified Condition
N158-1 (+B) - Body ground P - Body ground Battery power supply Always 11 to 14 V
N158-5 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω


c.

Reconnect the N158 ID code box (immobiliser code ECU) connector.


d.

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

Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
N158-2 (LIN1) - Body ground V - Body ground LIN communication line Ignition switch ON Pulse generation