RM36D0EC _59 Vehicle Exterior _083096 LIGHTING (EXT) _0402622 LIGHTING SYSTEM J

LIGHTING (EXT)  LIGHTING SYSTEM  Daytime Running Light Circuit  


DESCRIPTION

The main body ECU (multiplex network body ECU) controls the daytime running lights.

WIRING DIAGRAM

for Triple Beam Headlight


E463484E11
5.938,2.604 7.094,3.198 1.156,0.594 10 false Main Body ECU (Multiplex Network Body ECU) 4.302,1.938 5.75,2.365 1.448,0.427 10 false Power Distribution Box Assembly 5.938,2.396 7.094,2.99 1.156,0.594 10 false A 4.302,1.781 6.135,2.292 1.833,0.51 10 false 6E 4.417,1.156 6.25,1.667 1.833,0.51 10 false 3 6.229,1.156 6.823,1.615 0.594,0.458 10 false DRL 0.594,1.823 1.188,2.281 0.594,0.458 10 false DRL 0.583,0.677 1.177,1.135 0.594,0.458 10 false DRL 1.458,0.531 3.01,0.813 1.552,0.281 10 false from Auxiliary Battery 0.333,1.198 0.927,1.656 0.594,0.458 10 false 1 1.021,1.177 1.615,1.635 0.594,0.458 10 false 2 0.344,1.438 0.938,1.896 0.594,0.458 10 false 5 1.031,1.438 1.625,1.896 0.594,0.458 10 false 3 2.802,3.292 3.396,3.75 0.594,0.458 10 false IC 2.094,3.469 2.688,3.927 0.594,0.458 10 false E 2.125,4.083 4.448,4.333 2.323,0.25 10 false Headlight Assembly LH 2.833,5.115 3.427,5.573 0.594,0.458 10 false IC 2.104,5.229 2.698,5.688 0.594,0.458 10 false E 2.135,3.896 4.458,4.146 2.323,0.25 10 false A62*1, A110*2 2.104,4.729 2.698,5.188 0.594,0.458 10 false B 2.104,2.948 2.698,3.406 0.594,0.458 10 false B 4.177,3.135 5.573,3.698 1.396,0.563 10 false Daytime Running Light and Clearance Light 6.052,1.156 6.646,1.615 0.594,0.458 10 false 7 1.448,2.927 2.042,3.385 0.594,0.458 10 false 3*1, 4*2 1.427,3.427 2.021,3.885 0.594,0.458 10 false 1*1, 3*2 2.063,5.688 4.385,5.938 2.323,0.25 10 false A61*1, A109*2 2.104,5.865 4.427,6.115 2.323,0.25 10 false Headlight Assembly RH 4.198,4.896 5.594,5.458 1.396,0.563 10 false Daytime Running Light and Clearance Light 1.49,4.719 2.083,5.177 0.594,0.458 10 false 3*1, 4*2 1.458,5.198 2.052,5.656 0.594,0.458 10 false 1*1, 3*2 0.333,6.427 2.656,6.677 2.323,0.25 10 false *1: for SFTM Made 1.865,6.417 4.188,6.667 2.323,0.25 10 false *2: for GTMC Made


for Single Beam Headlight


E463484E12
5.938,2.604 7.094,3.198 1.156,0.594 10 false Main Body ECU (Multiplex Network Body ECU) 4.302,1.938 5.75,2.365 1.448,0.427 10 false Power Distribution Box Assembly 5.938,2.396 7.094,2.99 1.156,0.594 10 false A 4.302,1.781 6.135,2.292 1.833,0.51 10 false 6E 4.417,1.156 6.25,1.667 1.833,0.51 10 false 3 6.229,1.156 6.823,1.615 0.594,0.458 10 false DRL 0.594,1.823 1.188,2.281 0.594,0.458 10 false DRL 0.583,0.677 1.177,1.135 0.594,0.458 10 false DRL 1.458,0.531 3.01,0.813 1.552,0.281 10 false from Auxiliary Battery 0.333,1.198 0.927,1.656 0.594,0.458 10 false 1 1.021,1.177 1.615,1.635 0.594,0.458 10 false 2 0.344,1.438 0.938,1.896 0.594,0.458 10 false 5 1.031,1.438 1.625,1.896 0.594,0.458 10 false 3 2.802,3.292 3.396,3.75 0.594,0.458 10 false IC 2.094,3.469 2.688,3.927 0.594,0.458 10 false E 2.125,4.083 4.448,4.333 2.323,0.25 10 false Headlight Assembly LH 2.833,5.115 3.427,5.573 0.594,0.458 10 false IC 2.104,5.229 2.698,5.688 0.594,0.458 10 false E 2.135,3.896 4.458,4.146 2.323,0.25 10 false A104 2.104,4.729 2.698,5.188 0.594,0.458 10 false B 2.104,2.948 2.698,3.406 0.594,0.458 10 false B 4.177,3.135 5.573,3.698 1.396,0.563 10 false Daytime Running Light and Clearance Light 6.052,1.156 6.646,1.615 0.594,0.458 10 false 7 1.469,2.938 2.063,3.396 0.594,0.458 10 false 6*1, 4*2 1.458,3.448 2.052,3.906 0.594,0.458 10 false 5*1, 3*2 2.063,5.688 4.385,5.938 2.323,0.25 10 false A103 2.104,5.865 4.427,6.115 2.323,0.25 10 false Headlight Assembly RH 4.198,4.896 5.594,5.458 1.396,0.563 10 false Daytime Running Light and Clearance Light 0.271,6.385 2.594,6.635 2.323,0.25 10 false *1: for SFTM Made 1.771,6.375 4.094,6.625 2.323,0.25 10 false *2: for GTMC Made 1.469,4.719 2.063,5.177 0.594,0.458 10 false 6*1, 4*2 1.49,5.208 2.083,5.667 0.594,0.458 10 false 5*1, 3*2


CAUTION / NOTICE / HINT

NOTICE:
·

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

·

Before replacing the main body ECU (multiplex network body ECU), refer to Service Bulletin.



PROCEDURE

1.PERFORM ACTIVE TEST USING GTS
a.

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
Daytime Running Light Daytime running lights OFF or ON -
Body Electrical > Main Body > Active Test
Tester Display
Daytime Running Light
50004 449 53
OK:

Daytime running lights illuminate.



Result:
Proceed to
OK
NG



OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Click hereVehicle Exterior>LIGHTING (EXT)>LIGHTING SYSTEM>PROBLEM SYMPTOMS TABLE


NG

2.CHECK HARNESS AND CONNECTOR (DRL RELAY - BATTERY)
2.CHECK HARNESS AND CONNECTOR (DRL RELAY - BATTERY)
a.
B340809C08
0.115,0.083 0.427,0.281 0.313,0.198 10 false *a
*a Front view of wire harness connector
(to DRL Relay)


Remove the DRL relay.


b.

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

Standard Voltage:
Tester Connection Switch Condition Specified Condition
1 (DRL relay) - Body ground Ignition switch off 11 to 14 V
5 (DRL relay) - Body ground Ignition switch off 11 to 14 V



Result:
Proceed to
OK
NG



OK

3.INSPECT DRL RELAY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

3.INSPECT DRL RELAY

Click hereVehicle Exterior>LIGHTING (EXT)>RELAY>ON-VEHICLE INSPECTION

Result:
Proceed to
OK
NG



OK

4.CHECK HARNESS AND CONNECTOR (DRL RELAY - DAYTIME RUNNING LIGHT ASSEMBLY)

NG

REPLACE DRL RELAY

4.CHECK HARNESS AND CONNECTOR (DRL RELAY - DAYTIME RUNNING LIGHT ASSEMBLY)

*1: for Triple Beam Headlight, SFTM Made

*2: for Triple Beam Headlight, GTMC Made

*3: for Single Beam Headlight


a.

Remove the DRL relay.


b.

Disconnect the A62*1, A110*2 or A104*3 headlight assembly LH connector.


c.

Disconnect the A61*1, A109*2 or A103*3 headlight assembly RH connector.


d.

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

Standard Resistance:
for Triple Beam Headlight, SFTM Made
Tester Connection Condition Specified Condition
3 (DRL relay) - A62-3 (B) Always Below 1 Ω
3 (DRL relay) or A62-3 (B) - Body ground Always 10 kΩ or higher

for Triple Beam Headlight, GTMC Made
Tester Connection Condition Specified Condition
3 (DRL relay) - A110-4 (B) Always Below 1 Ω
3 (DRL relay) or A110-4 (B) - Body ground Always 10 kΩ or higher

for Single Beam Headlight, SFTM Made
Tester Connection Condition Specified Condition
3 (DRL relay) - A104-3 (B) Always Below 1 Ω
3 (DRL relay) or A104-4 (B) - Body ground Always 10 kΩ or higher

for Single Beam Headlight, GTMC Made
Tester Connection Condition Specified Condition
3 (DRL relay) - A104-4 (B) Always Below 1 Ω
3 (DRL relay) or A104-4 (B) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

5.CHECK HARNESS AND CONNECTOR (DRL RELAY - POWER DISTRIBUTION BOX ASSEMBLY)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

5.CHECK HARNESS AND CONNECTOR (DRL RELAY - POWER DISTRIBUTION BOX ASSEMBLY)
a.

Remove the DRL relay.


b.

Disconnect the 6E power distribution box assembly connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
2 (DRL relay) - 6E-3 Always Below 1 Ω
2 (DRL relay) or 6E-3 - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

6.CHECK POWER DISTRIBUTION BOX ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

6.CHECK POWER DISTRIBUTION BOX ASSEMBLY
a.

Remove the power distribution box assembly.

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

E443881C31
1.438,0.073 1.854,0.333 0.417,0.26 5.313,0.302 5.729,0.563 0.417,0.26 4.292,1.292 4.448,1.292 4.448,1.292 4.688,0.917 true 0.104,0.083 0.417,0.281 0.313,0.198 10 false *a 1.573,0.125 1.885,0.323 0.313,0.198 10 false 6E 5.448,0.354 5.76,0.552 0.313,0.198 10 false A 3.969,1.188 4.583,1.385 0.615,0.198 10 false DRL
*a Component without harness connected
(Power Distribution Box Assembly) 		- -



b.

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


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
6E-3 - A-7 (DRL) Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

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


NG

REPLACE POWER DISTRIBUTION BOX ASSEMBLY

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