RM38T0EC _59 Vehicle Exterior _112294 LIGHTING (EXT) _0510962 LIGHTING SYSTEM U

LIGHTING (EXT)  LIGHTING SYSTEM  TERMINALS OF ECU  


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


E469803C07
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)


a.

Remove the main body ECU (multiplex network body ECU) from the power distribution box assembly.

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


b.

Connect the power distribution box assembly connectors.


c.

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

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 Ignition switch off 11 to 14 V
MB-27 (IGR) - Body ground Ignition power supply Ignition switch off Below 1 Ω
Ignition switch ON 11 to 14 V


d.

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

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


e.

Connect the power distribution box assembly and main body ECU (multiplex network body ECU) connectors.


f.

Measure the voltage and resistance, and check for pulses according to the value(s) in the table below.

Terminal No. (Symbol) Terminal Description Condition Specified Condition
8E-5 - Body ground CXPI communication line Ignition switch off Below 1 V
Ignition switch ON Pulse generation
I85-26 (HEAD) - Body ground Light control switch in HEAD position signal input Light control switch not in HEAD position 11 to 14 V
Light control switch in HEAD position Below 1 V
8K-1 - Body ground IG power supply Ignition switch off Below 1 V
Ignition switch ON 11 to 14 V
8E-6 - Body ground Headlight assembly LH power supply Ignition switch off 11 to 14 V
Ignition switch ON Below 1 V
8E-10 - Body ground Headlight assembly RH power supply Ignition switch off 11 to 14 V
Ignition switch ON Below 1 V
I85-8 (CLTB) - I85-21 (CLTE) Automatic light control sensor power supply output Ignition switch off Below 1 V
Ignition switch ON 11 to 14 V
I85-14 (AHBI) - Body ground Auto high beam switch signal input Auto high beam switch on Below 1 V
Auto high beam switch off 11 to 14 V
I85-15 (AHID) - Body ground Auto high beam switch indicator drive output Ignition switch ON, auto high beam switch off 11 to 14 V
Ignition switch ON, auto high beam switch on Below 1 V
I85-20 (CLTS) - Body ground Automatic light control sensor signal input Ignition switch ON Pulse generation
(See waveform 1)
8C-9 - Body ground Front door courtesy light switch assembly RH input Front door RH open 4.7 to 5.3 V
Front door RH closed Below 1 V

i.
E276298N01
2.844,1.646 3.219,1.813 0.375,0.167 10 false GND

Waveform 1

Item Content
Tester Connection I85-20 (CLTS) - Body ground
Tool setting 2 V/DIV., 10 ms./DIV.
Condition Ignition switch ON

HINT:

The communication waveform changes according to the surrounding brightness.





CHECK COMBINATION METER ASSEMBLY


Click hereVehicle Interior>METER / GAUGE / DISPLAY>METER / GAUGE SYSTEM>TERMINALS OF ECU


CHECK STEERING SENSOR


for HEV Model: Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for HEV Model)>TERMINALS OF ECU

for Gasoline Model: Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for Gasoline Model)>TERMINALS OF ECU


CHECK FORWARD RECOGNITION CAMERA


Click hereADAS / AD>ADVANCED DRIVER ASSISTANCE SYSTEM>FRONT CAMERA SYSTEM (Production Date from 2023/04)>TERMINALS OF ECU


SEMICONDUCTOR POWER INTEGRATION ECU


Click herePower Source / Network>POWER DISTRIBUTION>POWER INTEGRATION SYSTEM>TERMINALS OF ECU