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

LIGHTING (EXT)  LIGHTING SYSTEM(w/o Headlight ECU)  Daytime Running Light Circuit  


DESCRIPTION

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

WIRING DIAGRAM

E416394E02
5.927,2.208 7.135,2.833 1.208,0.625 10 false Main Body ECU (Multiplex Network Body ECU) 2.281,1.625 3.24,2.021 0.958,0.396 10 false DRL 0.76,0.229 1.719,0.625 0.958,0.396 10 false from Battery 1.365,1.052 2.323,1.448 0.958,0.396 10 false DRL 6.188,0.802 7.146,1.198 0.958,0.396 10 false DRL 0.438,5.125 2.552,5.344 2.115,0.219 10 false Clearance Light Assembly LH*2 1.427,4.594 3.542,4.813 2.115,0.219 10 false Daytime Running Light 0.396,3.604 3.833,3.885 3.438,0.281 10 false Daytime Running Light Socket LH*1 0.406,6.74 3.958,6.99 3.552,0.25 10 false Daytime Running Light Socket RH 1.25,3.021 4.302,3.344 3.052,0.323 10 false Daytime Running Light Bulb 1.167,6.135 4.594,6.438 3.427,0.302 10 false Daytime Running Light Bulb 0.427,8.313 2.542,8.531 2.115,0.219 10 false Clearance Light Assembly RH*3 1.458,7.781 3.573,8 2.115,0.219 10 false Daytime Running Light 4.458,1.448 6.083,1.802 1.625,0.354 10 false Instrument Panel Junction Block Assembly 3.844,2.99 4.802,3.385 0.958,0.396 10 false *1 3.833,6.073 4.792,6.469 0.958,0.396 10 false *1 3.854,4.573 4.813,4.969 0.958,0.396 10 false *2 3.854,7.792 4.813,8.188 0.958,0.396 10 false *2 4.438,7.208 7.156,7.49 2.719,0.281 10 false *1: for Bulb Type Daytime Running Light 4.448,7.552 7.156,7.802 2.708,0.25 10 false *2: for LED Type Daytime Running Light 3.458,2.719 4.417,3.115 0.958,0.396 10 false B 0.542,2.729 1.5,3.125 0.958,0.396 10 false E 3.479,4.323 4.438,4.719 0.958,0.396 10 false B 0.521,4.323 1.479,4.719 0.958,0.396 10 false E 0.563,5.844 1.521,6.24 0.958,0.396 10 false E 3.448,5.813 4.406,6.208 0.958,0.396 10 false B 0.542,7.51 1.5,7.906 0.958,0.396 10 false E 3.469,7.521 4.427,7.917 0.958,0.396 10 false B 0.417,3.448 3.854,3.729 3.438,0.281 10 false C3 3.708,2.719 4.667,3.115 0.958,0.396 10 false 1 0.365,2.719 1.323,3.115 0.958,0.396 10 false 3 0.438,4.958 2.552,5.177 2.115,0.219 10 false B3 3.688,4.323 4.646,4.719 0.958,0.396 10 false 1 0.354,4.323 1.313,4.719 0.958,0.396 10 false 3 0.385,5.844 1.344,6.24 0.958,0.396 10 false 3 0.354,7.51 1.365,7.698 1.01,0.188 10 false 3 3.698,5.823 4.656,6.219 0.958,0.396 10 false 1 3.698,7.521 4.656,7.917 0.958,0.396 10 false 1 0.406,6.583 3.844,6.865 3.438,0.281 10 false C1 0.448,8.146 2.563,8.365 2.115,0.219 10 false B4 0.51,0.896 1.469,1.292 0.958,0.396 10 false 1H 0.875,0.896 1.833,1.292 0.958,0.396 10 false 1I 0.906,0.677 1.865,1.073 0.958,0.396 10 false 1 0.583,0.688 1.542,1.083 0.958,0.396 10 false 1 0.531,1.104 1.49,1.5 0.958,0.396 10 false *3 0.865,1.104 1.823,1.5 0.958,0.396 10 false *4 1.281,1.948 4.333,2.271 3.052,0.323 10 false No. 1 Integration Relay 2.896,0.885 3.854,1.281 0.958,0.396 10 false 1B 2.906,1.354 3.865,1.75 0.958,0.396 10 false 1B 2.948,1.146 3.906,1.542 0.958,0.396 10 false 9 2.917,0.688 3.875,1.083 0.958,0.396 10 false 10 5.948,2.031 7.156,2.656 1.208,0.625 10 false A 5.948,0.781 7.156,1.406 1.208,0.625 10 false 25 4.552,0.802 5.76,1.427 1.208,0.625 10 false 28 4.458,1.292 6.083,1.656 1.625,0.365 10 false 3C 4.448,7.906 7.156,8.156 2.708,0.25 10 false *3: for 1GD-FTV 4.448,8.208 7.156,8.458 2.708,0.25 10 false *4: for 7GR-FKS

CAUTION / NOTICE / HINT

NOTICE:

Inspect the bulbs and 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
Daytime Running Light Daytime running lights OFF or ON -
Body Electrical > Main Body > Active Test
Tester Display
Daytime Running Light
50004 123 29
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 (w/o Headlight ECU)>PROBLEM SYMPTOMS TABLE


NG

2.INSPECT NO. 1 INTEGRATION RELAY (DRL RELAY)
3.CHECK HARNESS AND CONNECTOR (NO. 1 INTEGRATION RELAY - BATTERY)
a.

Disconnect the No. 1 integration relay connector.


b.
E417378C01
1.563,0.323 1.906,0.552 0.344,0.229 1.573,0.688 1.917,0.917 0.344,0.229 0.146,0.125 0.458,0.281 0.313,0.156 10 false *a 1.656,0.375 1.969,0.531 0.313,0.156 10 false 1H 1.698,0.708 2.01,0.865 0.313,0.156 10 false 1I 1.958,0.365 2.271,0.521 0.313,0.156 10 false *A 1.979,0.719 2.292,0.875 0.313,0.156 10 false *B
*A for 1GD-FTV
*B for 7GR-FKS
*a Front view of wire harness connector
(to No. 1 Integration Relay)


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

Standard Voltage:
for 1GD-FTV
Tester Connection Condition Specified Condition
1H-1 - Body ground Always 11 to 14 V

for 7GR-FKS
Tester Connection Condition Specified Condition
1I-1 - Body ground Always 11 to 14 V



Result:
Proceed to
OK (for Bulb Type Daytime Running Light)
OK (for LED Type Daytime Running Light)
NG



OK (for Bulb Type Daytime Running Light)

4.CHECK HARNESS AND CONNECTOR (DAYTIME RUNNING LIGHT SOCKET - NO. 1 INTEGRATION RELAY)

OK (for LED Type Daytime Running Light)

7.CHECK HARNESS AND CONNECTOR (CLEARANCE LIGHT ASSEMBLY - NO. 1 INTEGRATION RELAY)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

4.CHECK HARNESS AND CONNECTOR (DAYTIME RUNNING LIGHT SOCKET - NO. 1 INTEGRATION RELAY)
a.

Disconnect the C3 daytime running light socket LH connector.


b.

Disconnect the C1 daytime running light socket RH connector.


c.

Disconnect the 1B No. 1 integration relay connector.


d.

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

Standard Resistance:
Tester Connection Condition Specified Condition
1B-9 - C3-1 (B) Always Below 1 Ω
1B-9 or C3-1 (B) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

5.CHECK HARNESS AND CONNECTOR (NO. 1 INTEGRATION RELAY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

5.CHECK HARNESS AND CONNECTOR (NO. 1 INTEGRATION RELAY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)
a.

Disconnect the 1B No. 1 integration relay connector.


b.

Disconnect the 3C instrument panel junction block assembly connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
1B-10 - 3C-28 Always Below 1 Ω
1B-10 or 3C-28 - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

6.INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

6.INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
E416825C02
1.74,0.583 2.115,0.833 0.375,0.25 4.875,0.938 5.25,1.188 0.375,0.25 5.552,2.052 5.927,1.542 false 0.479,0.438 0.792,0.635 0.313,0.198 10 false *a 1.844,0.635 2.156,0.833 0.313,0.198 10 false 3C 5.01,0.99 5.323,1.188 0.313,0.198 10 false A 5.385,2.083 5.917,2.313 0.531,0.229 10 false DRL
*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.

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

Standard Resistance:
Tester Connection Condition Specified Condition
3C-28 - A-25 (DRL) Always Below 1 Ω



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


7.CHECK HARNESS AND CONNECTOR (CLEARANCE LIGHT ASSEMBLY - NO. 1 INTEGRATION RELAY)
a.

Disconnect the B3 clearance light assembly LH connector.


b.

Disconnect the B4 clearance light assembly RH connector.


c.

Disconnect the 1B No. 1 integration relay connector.


d.

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

Standard Resistance:
Tester Connection Condition Specified Condition
1B-9 - B3-1 (B) Always Below 1 Ω
1B-9 or B3-1 (B) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

5.CHECK HARNESS AND CONNECTOR (NO. 1 INTEGRATION RELAY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR