RM38T0EC _59 Vehicle Exterior _112292 MIRROR (EXT) _0502811 POWER MIRROR CONTROL SYSTEM U

MIRROR (EXT)  POWER MIRROR CONTROL 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)




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



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
8B-2 - Body ground*1 Mirror heater drive signal Ignition switch ON, rear window defogger switch off Below 1 V
Ignition switch ON, rear window defogger switch on 11 to 14 V
I86-26 (AMR) - Body ground*2 Power retract mirror motor drive voltage (Input) Auto retractable outer mirror switch on outer mirror switch assembly auto retracted position. Below 1 V
Auto retractable outer mirror switch on outer mirror switch assembly return position. 11 to 14 V
I86-27 (RET) - Body ground*2 Power retract mirror motor drive voltage (Input) Auto retractable outer mirror switch on outer mirror switch assembly retracted position. Below 1 V
Auto retractable outer mirror switch on outer mirror switch assembly driving position. 11 to 14 V
8C-10 - Body ground*2 Power retract mirror motor drive voltage (Output) Outer rear view mirror assembly moves to the retracted position. Below 1 V
Outer rear view mirror assembly not move. 11 to 14 V
8C-24 - Body ground*2 Power retract mirror motor drive voltage (Output) Outer rear view mirror assembly moves to the return position. Below 1 V
Outer rear view mirror assembly not move. 11 to 14 V

*1: w/ Mirror Heater

*2: w/ Automatic Retractable Mirror