RM3660EC _59 Vehicle Exterior _080784 LIGHTING (EXT) _0600056 LIGHTING SYSTEM(except NR Series Engine) J

LIGHTING (EXT)  LIGHTING SYSTEM(except NR Series Engine)  Daytime Running Light Circuit  


DESCRIPTION

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

WIRING DIAGRAM

for TFTM Made


E373204E26
1.417,5.26 3.333,5.552 1.917,0.292 10 false Headlight Assembly RH 1.417,5.073 1.917,5.344 0.5,0.271 10 false A159*1 1.375,3.26 1.906,3.542 0.531,0.281 10 false A160*1 1.375,3.438 3.281,3.708 1.906,0.271 10 false Headlight Assembly LH 2.479,2.583 2.823,2.854 0.344,0.271 10 false B 2.677,2.469 3.021,2.74 0.344,0.271 10 false 6*2 2.49,4.375 2.833,4.646 0.344,0.271 10 false B 1.729,2.958 2.177,3.198 0.448,0.24 10 false E 1.406,2.698 1.75,2.969 0.344,0.271 10 false 1*1 1.719,4.75 2.135,4.979 0.417,0.229 10 false E 2.031,1.479 2.375,1.75 0.344,0.271 10 false DRL 2.469,0.854 2.813,1.125 0.344,0.271 10 false 3 2.479,1.104 2.823,1.375 0.344,0.271 10 false 1 0.74,1.104 1.083,1.375 0.344,0.271 10 false DRL 1.771,1.115 2.115,1.385 0.344,0.271 10 false 2 1.781,0.865 2.125,1.135 0.344,0.271 10 false 5 0.698,0.458 2.271,0.813 1.573,0.354 10 false from Auxiliary Battery 4.188,1.208 4.531,1.479 0.344,0.271 10 false 10A 4.25,1.031 4.594,1.302 0.344,0.271 10 false 2 4.406,1.729 5.833,2.292 1.427,0.563 10 false Power Distribution Box Assembly 5.813,1.208 6.156,1.479 0.344,0.271 10 false MB 5.875,1.01 6.219,1.281 0.344,0.271 10 false 7 6.167,1.104 6.51,1.375 0.344,0.271 10 false DRL 5.448,2.823 7.094,3.365 1.646,0.542 10 false Main Body ECU (Multiplex Network Body ECU) 4.542,4.063 6.938,4.354 2.396,0.292 10 false *1: for Bulb Type Turn Signal Light 4.563,4.479 6.958,4.771 2.396,0.292 10 false *2: for LED Type Turn Signal Light 2.031,3.26 2.563,3.542 0.531,0.281 10 false A166*2 2.677,2.292 3.021,2.563 0.344,0.271 10 false 3*1 1.406,2.865 1.75,3.135 0.344,0.271 10 false 4*2 2.708,4.26 3.052,4.531 0.344,0.271 10 false 6*2 2.719,4.094 3.063,4.365 0.344,0.271 10 false 3*1 1.417,4.635 1.76,4.906 0.344,0.271 10 false 4*2 1.417,4.458 1.76,4.729 0.344,0.271 10 false 1*1 1.969,5.083 2.563,5.323 0.594,0.24 10 false A165*2


for GTMC Made


E373204E24
1.417,5.26 3.333,5.552 1.917,0.292 10 false Headlight Assembly RH 1.417,5.073 1.917,5.344 0.5,0.271 10 false A167 1.375,3.26 1.906,3.542 0.531,0.281 10 false A168 1.375,3.438 3.281,3.708 1.906,0.271 10 false Headlight Assembly LH 2.479,2.583 2.823,2.854 0.344,0.271 10 false B 2.677,2.469 3.021,2.74 0.344,0.271 10 false 8 2.49,4.375 2.833,4.646 0.344,0.271 10 false B 1.729,2.958 2.177,3.198 0.448,0.24 10 false E 1.719,4.75 2.135,4.979 0.417,0.229 10 false E 2.031,1.479 2.375,1.75 0.344,0.271 10 false DRL 2.469,0.854 2.813,1.125 0.344,0.271 10 false 3 2.479,1.104 2.823,1.375 0.344,0.271 10 false 1 0.74,1.104 1.083,1.375 0.344,0.271 10 false DRL 1.771,1.115 2.115,1.385 0.344,0.271 10 false 2 1.781,0.865 2.125,1.135 0.344,0.271 10 false 5 0.698,0.458 2.271,0.813 1.573,0.354 10 false from Auxiliary Battery 4.188,1.208 4.531,1.479 0.344,0.271 10 false 10A 4.25,1.031 4.594,1.302 0.344,0.271 10 false 2 4.406,1.729 5.833,2.292 1.427,0.563 10 false Power Distribution Box Assembly 5.813,1.208 6.156,1.479 0.344,0.271 10 false MB 5.875,1.01 6.219,1.281 0.344,0.271 10 false 7 6.167,1.104 6.51,1.375 0.344,0.271 10 false DRL 5.448,2.823 7.094,3.365 1.646,0.542 10 false Main Body ECU (Multiplex Network Body ECU) 1.521,2.865 1.865,3.135 0.344,0.271 10 false 5 2.708,4.26 3.052,4.531 0.344,0.271 10 false 8 1.542,4.635 1.885,4.906 0.344,0.271 10 false 5


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.*

*: w/ Smart Entry and Start System




PROCEDURE

1.PERFORM ACTIVE TEST USING GTS
a.

Using the GTS, perform the Active Test.

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 (except NR Series Engine)>PROBLEM SYMPTOMS TABLE


NG

2.CHECK HARNESS AND CONNECTOR (DRL RELAY - BATTERY)
2.CHECK HARNESS AND CONNECTOR (DRL RELAY - BATTERY)
a.

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
2 (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 VEHICLE TYPE

NG

REPLACE DRL RELAY

4.CHECK VEHICLE TYPE
a.

Check the vehicle specification.


Result:
Result Proceed to
for TFTM Made A
for GTMC Made B



A

5.CHECK VEHICLE TYPE

B

8.CHECK HARNESS AND CONNECTOR (DRY RELAY - HEADLIGHT ASSEMBLY)
5.CHECK VEHICLE TYPE
a.

Check the vehicle specification.


Result:
Result Proceed to
for Bulb Type Turn Signal Light A
for LED Type Turn Signal Light B



A

6.CHECK HARNESS AND CONNECTOR (DRY RELAY - HEADLIGHT ASSEMBLY)

B

7.CHECK HARNESS AND CONNECTOR (DRY RELAY - HEADLIGHT ASSEMBLY)
6.CHECK HARNESS AND CONNECTOR (DRY RELAY - HEADLIGHT ASSEMBLY)
a.

Disconnect the A160 headlight assembly LH connector.


b.

Disconnect the A159 headlight assembly RH connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
3 (DRL relay) - A160-3 (B) Always Below 1 Ω
3 (DRL relay) - A159-3 (B) Always Below 1 Ω
3 (DRL relay) - Body ground Always 10 kΩ or higher
A160-3 (B) - Body ground Always 10 kΩ or higher
A159-3 (B) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

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

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

7.CHECK HARNESS AND CONNECTOR (DRY RELAY - HEADLIGHT ASSEMBLY)
a.

Disconnect the A166 headlight assembly LH connector.


b.

Disconnect the A165 headlight assembly RH connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
3 (DRL relay) - A166-6 (B) Always Below 1 Ω
3 (DRL relay) - A165-6 (B) Always Below 1 Ω
3 (DRL relay) - Body ground Always 10 kΩ or higher
A166-6 (B) - Body ground Always 10 kΩ or higher
A165-6 (B) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

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

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

8.CHECK HARNESS AND CONNECTOR (DRY RELAY - HEADLIGHT ASSEMBLY)
a.

Disconnect the A168 headlight assembly LH connector.


b.

Disconnect the A167 headlight assembly RH connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
3 (DRL relay) - A168-8 (B) Always Below 1 Ω
3 (DRL relay) - A167-8 (B) Always Below 1 Ω
3 (DRL relay) - Body ground Always 10 kΩ or higher
A168-8 (B) - Body ground Always 10 kΩ or higher
A167-8 (B) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

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

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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

Disconnect the 10A power distribution box assembly connector.


b.

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

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



Result:
Proceed to
OK
NG



OK

10.CHECK POWER DISTRIBUTION BOX ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

10.CHECK POWER DISTRIBUTION BOX ASSEMBLY
a.

Remove the power distribution box assembly.

HINT:

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



b.

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


c.

Disconnect the 10A power distribution box assembly connector.


d.

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

Standard Resistance
Tester Connection Condition Specified Condition
MB-7(DRL) - 10A-2 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