RM3660EC _59 Vehicle Exterior _080784 LIGHTING (EXT) _0600055 LIGHTING SYSTEM(for NR Series Engine) J

LIGHTING (EXT)  LIGHTING SYSTEM(for NR Series Engine)  High Beam Headlight Circuit  


DESCRIPTION

The main body ECU (multiplex network body ECU) controls the high beam headlights.

WIRING DIAGRAM

for TFTM Made


E391231E45
1.99,0.333 3.542,0.552 1.552,0.219 10 false from Battery 1.51,2.344 3.344,2.542 1.833,0.198 10 false No. 1 Integration Relay 0.844,0.5 1.563,0.719 0.719,0.219 10 false H-LP HI 2.042,1.927 2.5,2.125 0.458,0.198 10 false DIM 3.531,0.979 3.74,1.177 0.208,0.198 10 false 12 3.531,1.438 3.76,1.615 0.229,0.177 10 false 10 0.635,0.979 0.885,1.177 0.25,0.198 10 false 11 5.365,4.969 7.021,5.708 1.656,0.74 10 false Main Body ECU (Multiplex Network Body ECU) 5.365,4.802 5.646,4.979 0.281,0.177 10 false I85 6.156,1.063 6.615,1.26 0.458,0.198 10 false DIM 5.875,1.063 6.188,1.26 0.313,0.198 10 false 13 1.427,3.625 1.885,3.823 0.458,0.198 10 false A23 1.417,3.76 3.406,3.958 1.99,0.198 10 false Headlight Assembly LH 1.458,4.948 1.917,5.146 0.458,0.198 10 false A22 1.458,5.083 3.448,5.281 1.99,0.198 10 false Headlight Assembly RH 1.76,4.469 2.219,4.667 0.458,0.198 10 false E 1.75,3.167 2.208,3.365 0.458,0.198 10 false E 2.479,4.49 2.969,4.875 0.49,0.385 10 false HI 2.479,3.156 2.958,3.531 0.479,0.375 10 false HI 2.677,3.052 2.833,3.25 0.156,0.198 10 false 6 2.677,4.375 2.833,4.573 0.156,0.198 10 false 6 1.563,4.365 1.719,4.563 0.156,0.198 10 false 1 1.542,3.063 1.698,3.26 0.156,0.198 10 false 1 0.604,1.177 0.917,1.375 0.313,0.198 10 false 1B 0.656,1.448 0.813,1.646 0.156,0.198 10 false 9 0.604,1.625 0.948,1.802 0.344,0.177 10 false 1B 3.521,1.177 3.833,1.375 0.313,0.198 10 false 1B 3.521,1.625 3.865,1.802 0.344,0.177 10 false 1B


for GTMC Made


E391231E44
1.99,0.333 3.542,0.552 1.552,0.219 10 false from Battery 1.469,2.344 3.302,2.542 1.833,0.198 10 false No. 1 Integration Relay 0.844,0.5 1.563,0.719 0.719,0.219 10 false H-LP HI 2.052,1.927 2.51,2.125 0.458,0.198 10 false DIM 3.531,0.979 3.74,1.177 0.208,0.198 10 false 12 3.531,1.438 3.76,1.615 0.229,0.177 10 false 10 0.635,0.979 0.885,1.177 0.25,0.198 10 false 11 5.365,4.979 7.021,5.719 1.656,0.74 10 false Main Body ECU (Multiplex Network Body ECU) 5.365,4.792 5.646,4.969 0.281,0.177 10 false I85 6.156,1.063 6.615,1.26 0.458,0.198 10 false DIM 5.875,1.063 6.188,1.26 0.313,0.198 10 false 13 1.427,3.625 1.885,3.823 0.458,0.198 10 false A168 1.417,3.76 3.406,3.958 1.99,0.198 10 false Headlight Assembly LH 1.417,4.958 1.875,5.156 0.458,0.198 10 false A167 1.417,5.104 3.406,5.302 1.99,0.198 10 false Headlight Assembly RH 1.76,4.49 2.219,4.688 0.458,0.198 10 false E 1.75,3.135 2.208,3.333 0.458,0.198 10 false E 2.479,4.479 2.927,4.677 0.448,0.198 10 false HI 2.469,3.146 2.906,3.375 0.438,0.229 10 false HI 2.677,3.052 2.833,3.25 0.156,0.198 10 false 3 2.688,4.375 2.844,4.573 0.156,0.198 10 false 3 1.563,4.365 1.719,4.563 0.156,0.198 10 false 5 1.542,3.063 1.698,3.26 0.156,0.198 10 false 5 0.625,1.188 0.938,1.385 0.313,0.198 10 false 1B 0.667,1.448 0.823,1.646 0.156,0.198 10 false 9 0.615,1.635 0.958,1.813 0.344,0.177 10 false 1B 3.542,1.188 3.854,1.385 0.313,0.198 10 false 1B 3.531,1.635 3.875,1.813 0.344,0.177 10 false 1B


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.

·

Check the operation of the low beam headlights. If the low beam headlights do not operate normally, refer to Problem Symptoms Table.

Click hereVehicle Exterior>LIGHTING (EXT)>LIGHTING SYSTEM (for NR Series Engine)>PROBLEM SYMPTOMS TABLE



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
Head Light Hi High beam headlights OFF or ON -
Body Electrical > Main Body > Active Test
Tester Display
Head Light Hi
50004 123 15
OK:

High beam headlights illuminate.



Result:
Result Proceed to
OK A
NG B



A

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Click hereVehicle Exterior>LIGHTING (EXT)>LIGHTING SYSTEM (for NR Series Engine)>PROBLEM SYMPTOMS TABLE


B

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

Disconnect the 1B No. 1 integration relay connector.


b.

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

Standard Voltage:
Tester Connection Condition Specified Condition
1B-9 - Body ground Always 11 to 14 V
1B-11 - Body ground Always 11 to 14 V



Result:
Proceed to
OK
NG



OK

4.CHECK HARNESS AND CONNECTOR (NO. 1 INTEGRATION RELAY - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

4.CHECK HARNESS AND CONNECTOR (NO. 1 INTEGRATION RELAY - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))
a.

Disconnect the I85 main body ECU (multiplex network body ECU) connector.


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition
1B-12 - I85-13 (DIM) Always Below 1 Ω
1B-12 or I85-13 (DIM) - Body ground Always 10 kΩ or higher



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

REPAIR OR REPLACE HARNESS OR CONNECTOR