RM35X0E _59 Vehicle Exterior _079256 LIGHTING (EXT) _0384398 LIGHTING SYSTEM(w/o Headlight ECU) J

LIGHTING (EXT)  LIGHTING SYSTEM(w/o Headlight ECU)  Rear Fog Light Circuit  


DESCRIPTION

The main body ECU (multiplex network body ECU) controls the rear fog light.

WIRING DIAGRAM

E416820E02
6.125,0.969 6.74,1.167 0.615,0.198 10 false TRLY 6.104,3.51 6.719,3.708 0.615,0.198 10 false RFGO 5.99,4.625 7.135,5.146 1.146,0.521 10 false Main Body ECU (Multiplex Network Body ECU) 6,4.438 7.146,4.958 1.146,0.521 10 false A 3.177,4 5.979,4.365 2.802,0.365 10 false Instrument Panel Junction Block Assembly 4.49,3.271 5.104,3.469 0.615,0.198 10 false FOG RR 4.5,2.177 5.115,2.375 0.615,0.198 10 false FOG RR 1.729,1.25 3.229,1.479 1.5,0.229 10 false J/B-ALT 5.302,1.573 5.917,1.771 0.615,0.198 10 false TAIL 4.594,1.729 5.208,1.927 0.615,0.198 10 false TAIL 0.729,5.906 3.24,6.25 2.51,0.344 10 false Rear Combination Light Socket and Wire Sub-assembly LH*1, RH*2 0.75,5.74 2.396,6.115 1.646,0.375 10 false e1*1, g1*2 0.76,4.896 2.406,5.271 1.646,0.375 10 false B 0.76,5.396 2.406,5.771 1.646,0.375 10 false E 2.99,2.594 4.635,2.969 1.646,0.375 10 false 3D 2.99,2.396 4.635,2.771 1.646,0.375 10 false 21 3,1.073 4.646,1.448 1.646,0.375 10 false 3G 3.042,0.865 4.688,1.24 1.646,0.375 10 false 1 0.375,1.063 1.25,1.469 0.875,0.406 10 false from Battery 0.573,4.885 2.219,5.26 1.646,0.375 10 false 2 0.563,5.396 2.208,5.771 1.646,0.375 10 false 6 5.875,0.969 7.156,1.313 1.281,0.344 10 false 14 5.875,3.51 7.156,3.854 1.281,0.344 10 false 27 1.854,5.188 3.26,5.573 1.406,0.385 10 false Rear Fog Light Bulb 4.531,5.646 5.938,5.854 1.406,0.208 10 false *1: for LHD 4.542,5.99 5.948,6.198 1.406,0.208 10 false *2: for RHD 2.542,1.073 4.188,1.448 1.646,0.375 10 false 3E 2.583,0.875 4.229,1.25 1.646,0.375 10 false 1 2.552,1.302 4.198,1.677 1.646,0.375 10 false *1 3.021,1.302 4.667,1.677 1.646,0.375 10 false *2

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following procedure.


PROCEDURE

1.PERFORM ACTIVE TEST USING GTS
a.

Connect the GTS to the DLC3.


b.

Turn the ignition switch to ON.


c.

Turn the GTS on.


d.

Enter the following menus: Body Electrical / Main Body / Active Test.


e.

Perform the Active Test according to the display on the GTS.

Body Electrical > Main Body > Active Test
Tester Display Measurement Item Control Range Diagnostic Note
Rear Fog Light Relay Rear fog light relay OFF or ON Light control switch in TAIL position
Body Electrical > Main Body > Active Test
Tester Display
Rear Fog Light Relay
50004 123 17
OK:

Rear fog light relay operates (Rear fog lights come on).



Result:
Proceed to
OK
NG



OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Click hereVehicle Exterior>LIGHTING (EXT)>LIGHTING SYSTEM (w/o Headlight ECU)>PROBLEM SYMPTOMS TABLE


NG

2.CHECK HARNESS AND CONNECTOR (REAR COMBINATION LIGHT SOCKET AND WIRE SUB-ASSEMBLY (for Driver Side) - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND BODY GROUND)
2.CHECK HARNESS AND CONNECTOR (REAR COMBINATION LIGHT SOCKET AND WIRE SUB-ASSEMBLY (for Driver Side) - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND BODY GROUND)

*1: for LHD

*2: for RHD


a.

Disconnect the e1 rear combination light socket and wire sub-assembly LH connector.*1


b.

Disconnect the g1 rear combination light socket and wire sub-assembly RH connector.*2


c.

Disconnect the 3D instrument panel junction block assembly connector.


d.

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

Standard Resistance:
for LHD:
Tester Connection Condition Specified Condition
e1-2 (B) - 3D-21 Always Below 1 Ω
e1-2 (B) or 3D-21 - Body ground Always 10 kΩ or higher
e1-6 (E) - Body ground Always Below 1 Ω

for RHD:
Tester Connection Condition Specified Condition
g1-2 (B) - 3D-21 Always Below 1 Ω
g1-2 (B) or 3D-21 - Body ground Always 10 kΩ or higher
g1-6 (E) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

3.INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

3.INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
E345461C22
1.781,0.406 2.177,0.677 0.396,0.271 3.354,2.229 3.75,2.5 0.396,0.271 4.969,0.396 5.365,0.667 0.396,0.271 1.781,0.052 2.177,0.323 0.396,0.271 2.854,3.292 3.271,2.875 false 4.365,3.281 4.781,2.865 false 1.896,0.458 2.271,0.729 0.375,0.271 10 false 3G 3.51,2.292 3.885,2.563 0.375,0.271 10 false A 2.677,3.323 3.219,3.594 0.542,0.271 10 false TRLY 4.229,3.313 4.771,3.583 0.542,0.271 10 false RFGO 0.375,0.24 0.75,0.51 0.375,0.271 10 false *a 5.104,0.448 5.479,0.719 0.375,0.271 10 false 3D 2.229,0.104 2.604,0.375 0.375,0.271 10 false *A 2.229,0.479 2.604,0.75 0.375,0.271 10 false *B 1.906,0.104 2.281,0.375 0.375,0.271 10 false 3E
*A for LHD *B for RHD
*a Component without harness connected
(Instrument Panel Junction Block Assembly) 		- -


a.

Remove 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.

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


c.

Connect a positive (+) lead from the battery to terminal 3E-1*1 or 3G-1*2.

*1: for LHD

*2: for RHD



d.

Connect a negative (-) lead from the battery to terminal A-14 (TRLY) and A-27 (RFGO).


e.

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

Standard Voltage:
for LHD:
Tester Connection Condition Specified Condition
3D-21 - Battery negative (-) terminal Battery voltage is applied between following terminals
·

3E-1 - A-14 (TRLY)

·

3E-1 - A-27 (RFGO)


11 to 14 V

for RHD:
Tester Connection Condition Specified Condition
3D-21 - Battery negative (-) terminal Battery voltage is applied between following terminals
·

3G-1 - A-14 (TRLY)

·

3G-1 - A-27 (RFGO)


11 to 14 V



Result:
Proceed to
OK
NG



OK

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

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


NG

REPLACE 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