RM38T0EC _59 Vehicle Exterior _115107 WINDOW / GLASS _0510867 WINDOW DEFOGGER SYSTEM U

WINDOW / GLASS  WINDOW DEFOGGER SYSTEM  TERMINALS OF ECU  


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


a.

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

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

E469803C04
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 I85 2.229,1.792 2.688,1.99 0.458,0.198 10 false I86 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.

Reconnect the power distribution box assembly connectors.

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


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 IG power supply Ignition switch off Below 1 V
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.

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

Terminal No. (Symbol) Terminal Description Condition Specified Condition
8C-23 - Body ground*1 Rear window defogger signal (input) Rear window defogger switch off Below 1 V
Rear window defogger switch on 11 to 14 V
8F-43 - Body ground Rear window defogger signal (output) Rear window defogger switch off Below 1 V
Rear window defogger switch on 11 to 14 V

*1: for Mechanical Control Type




CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY (for Electrical Control Type)


E417909E05
2.844,0.448 3.208,0.677 0.365,0.229 3.854,0.448 4.219,0.677 0.365,0.229 4.792,0.448 5.156,0.677 0.365,0.229 2.938,0.469 3.396,0.667 0.458,0.198 10 false l48 3.948,0.479 4.406,0.677 0.458,0.198 10 false l49 4.906,0.479 5.365,0.677 0.458,0.198 10 false z1

a.

Disconnect the I49 air conditioning amplifier 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
I49-6 (IG+) - I49-17 (GND) Power source (IG) Ignition switch ON 11 to 14 V
Ignition switch off Below 1 V
I49-17 (GND) - Body ground Ground for main power supply Always Below 1 Ω


c.

Reconnect the I49 air conditioning amplifier assembly connector.


d.

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

Terminal No. (Symbol) Terminal Description Condition Specified Condition
I49-1 (CANL) - I49-2 (CANH) CAN communication system CAN communication is performed Pulse generation
I49-7 (LIN1) - I49-17 (GND) LIN communication line Ignition switch ON Pulse generation



CHECK AIR CONDITIONING CONTROL ASSEMBLY (for Electrical Control Type)


B511250N03
3.323,0.104 3.74,0.354 0.417,0.25 3.427,0.146 3.885,0.344 0.458,0.198 10 false I37

a.

Disconnect the I37 air conditioning control 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
I37-9 (IG+) - I37-13 (GND) Power source (IG) Ignition switch ON 10.5 to 16 V
Ignition switch off Below 1 V
I37-13 (GND) - Body ground Ground Always Below 1 Ω


c.

Reconnect the I37 air conditioning control assembly connector.


d.

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

Terminal No. (Symbol) Terminal Description Condition Specified Condition
I37-7 (LIN1) - I37-13 (GND) LIN communication line Ignition switch ON Pulse generation