RM38T0EC _59 Vehicle Exterior _112294 LIGHTING (EXT) _0510962 LIGHTING SYSTEM J

LIGHTING (EXT)  LIGHTING SYSTEM  Taillight Relay Circuit  


DESCRIPTION

The main body ECU (multiplex network body ECU) controls the taillight and license plate light.

WIRING DIAGRAM

for LED Headlight


E479571E03
4.115,3.958 6.292,4.615 2.177,0.656 10 false Power Distribution Box Assembly 0.729,2.688 2.208,2.927 1.479,0.24 10 false Headlight Assembly LH 4.823,1.677 5.135,1.875 0.313,0.198 10 false +B 5.531,0.844 5.844,1.042 0.313,0.198 10 false IC 4.854,3.292 6.198,3.583 1.344,0.292 10 false CXPI Transceiver 3.573,1.969 3.885,2.167 0.313,0.198 10 false 8E 3.583,1.75 3.896,1.948 0.313,0.198 10 false 18 4.24,1.969 4.552,2.167 0.313,0.198 10 false IPD 5.5,4.844 7.135,5.438 1.635,0.594 10 false Main Body ECU (Multiplex Network Body ECU) 0.958,5.292 2.698,5.49 1.74,0.198 10 false : CXPI Communication Line 0.115,0.135 1.854,0.417 1.74,0.281 12 false for TFTM Made: 0.719,4.344 2.281,4.573 1.563,0.229 10 false Headlight Assembly RH 3.292,4.885 3.844,5.25 0.552,0.365 10 false A 3.583,3.26 3.896,3.458 0.313,0.198 10 false 8F 3.583,3.063 3.896,3.26 0.313,0.198 10 false 30 0.74,2.521 1.531,2.802 0.792,0.281 10 false A176 0.729,4.177 1.521,4.458 0.792,0.281 10 false A175 2.552,3.49 3.104,3.854 0.552,0.365 10 false 8 0.542,3.5 1.094,3.865 0.552,0.365 10 false 3 2.521,1.844 3.073,2.208 0.552,0.365 10 false 8 0.5,1.833 1.052,2.198 0.552,0.365 10 false 3 0.729,1.958 1.281,2.323 0.552,0.365 10 false E 0.76,3.594 1.313,3.958 0.552,0.365 10 false E 2.271,1.969 2.823,2.333 0.552,0.365 10 false B 2.302,3.615 2.854,3.979 0.552,0.365 10 false B

E479584E01
5.156,0.156 5.323,0.354 0.167,0.198 10 false A 1.927,0.781 2.094,0.979 0.167,0.198 10 false 1 4.292,0.781 4.458,0.979 0.167,0.198 10 false 2 4.01,0.896 4.25,1.083 0.24,0.188 10 false TL 2.146,0.927 2.385,1.115 0.24,0.188 10 false E 1.844,1.375 2.24,1.563 0.396,0.188 10 false S16 1.844,1.552 4.521,1.802 2.677,0.25 10 false Rear Combination Light Assembly LH 1.938,2.24 2.104,2.438 0.167,0.198 10 false 1 4.333,2.25 4.5,2.448 0.167,0.198 10 false 2 2.125,2.385 2.365,2.573 0.24,0.188 10 false E 4.031,2.375 4.417,2.563 0.385,0.188 10 false TL 1.875,2.844 2.271,3.031 0.396,0.188 10 false S17 1.865,3.01 4.542,3.26 2.677,0.25 10 false Rear Combination Light Assembly RH 3.635,3.677 3.802,3.875 0.167,0.198 10 false 2 1.677,3.677 1.844,3.875 0.167,0.198 10 false 1 1.885,3.802 2.125,3.99 0.24,0.188 10 false B 3.417,3.802 3.656,3.99 0.24,0.188 10 false E 1.688,4.25 2.115,4.521 0.427,0.271 10 false U47 1.698,4.417 3.813,4.646 2.115,0.229 10 false License Plate Light Assembly LH 3.667,5.021 3.833,5.219 0.167,0.198 10 false 1 1.667,5.01 1.833,5.208 0.167,0.198 10 false 2 1.865,5.167 2.104,5.354 0.24,0.188 10 false E 3.448,5.146 3.688,5.333 0.24,0.188 10 false B 1.688,5.625 2.115,5.865 0.427,0.24 10 false U48 1.698,5.781 3.813,6.01 2.115,0.229 10 false License Plate Light Assembly RH 5.938,6.073 7.104,6.625 1.167,0.552 10 false Main Body ECU (Multiplex Network Body ECU) 3.656,6.417 3.823,6.615 0.167,0.198 10 false 2 1.656,6.427 1.823,6.625 0.167,0.198 10 false 3 1.875,6.552 2.115,6.74 0.24,0.188 10 false E 3.438,6.531 3.677,6.719 0.24,0.188 10 false B 1.938,7.021 2.24,7.219 0.302,0.198 10 false U51 1.948,7.177 3.521,7.396 1.573,0.219 10 false Rear Light Assembly LH 3.656,7.875 3.823,8.073 0.167,0.198 10 false 2 1.677,7.865 1.844,8.063 0.167,0.198 10 false 3 1.865,8.01 2.104,8.198 0.24,0.188 10 false E 3.448,8.01 3.688,8.198 0.24,0.188 10 false B 1.948,8.438 2.25,8.635 0.302,0.198 10 false U50 1.958,8.604 3.531,8.823 1.573,0.219 10 false Rear Light Assembly RH 0.135,0.094 1.906,0.438 1.771,0.344 12 false for TFTM Made:

E479571E04
4.115,3.958 6.292,4.615 2.177,0.656 10 false Power Distribution Box Assembly 0.729,2.688 2.208,2.927 1.479,0.24 10 false Headlight Assembly LH 4.823,1.677 5.135,1.875 0.313,0.198 10 false +B 5.531,0.844 5.844,1.042 0.313,0.198 10 false IC 4.854,3.292 6.198,3.583 1.344,0.292 10 false CXPI Transceiver 3.573,1.969 3.885,2.167 0.313,0.198 10 false 8E 3.583,1.75 3.896,1.948 0.313,0.198 10 false 18 4.24,1.969 4.552,2.167 0.313,0.198 10 false IPD 5.5,4.844 7.135,5.438 1.635,0.594 10 false Main Body ECU (Multiplex Network Body ECU) 0.958,5.292 2.698,5.49 1.74,0.198 10 false : CXPI Communication Line 0.115,0.135 1.854,0.417 1.74,0.281 12 false for GTMC Made: 0.719,4.344 2.281,4.573 1.563,0.229 10 false Headlight Assembly RH 3.292,4.885 3.844,5.25 0.552,0.365 10 false A 3.583,3.26 3.896,3.458 0.313,0.198 10 false 8F 3.583,3.063 3.896,3.26 0.313,0.198 10 false 30 0.74,2.521 1.531,2.802 0.792,0.281 10 false A176 0.729,4.177 1.521,4.458 0.792,0.281 10 false A175 2.552,3.49 3.104,3.854 0.552,0.365 10 false 3 0.542,3.5 1.094,3.865 0.552,0.365 10 false 6 2.521,1.844 3.073,2.208 0.552,0.365 10 false 3 0.5,1.833 1.052,2.198 0.552,0.365 10 false 6 2.281,1.99 2.833,2.354 0.552,0.365 10 false B 2.302,3.615 2.854,3.979 0.552,0.365 10 false B 0.76,3.594 1.313,3.958 0.552,0.365 10 false E 0.729,1.948 1.281,2.313 0.552,0.365 10 false E

E479584E02
5.156,0.156 5.323,0.354 0.167,0.198 10 false A 1.927,0.781 2.094,0.979 0.167,0.198 10 false 1 4.292,0.781 4.458,0.979 0.167,0.198 10 false 2 4.01,0.896 4.25,1.083 0.24,0.188 10 false TL 2.146,0.927 2.385,1.115 0.24,0.188 10 false E 1.844,1.375 2.24,1.563 0.396,0.188 10 false S16 1.844,1.552 4.521,1.802 2.677,0.25 10 false Rear Combination Light Assembly LH 1.938,2.24 2.104,2.438 0.167,0.198 10 false 1 4.333,2.25 4.5,2.448 0.167,0.198 10 false 2 2.125,2.385 2.365,2.573 0.24,0.188 10 false E 4.031,2.375 4.417,2.563 0.385,0.188 10 false TL 1.875,2.844 2.271,3.031 0.396,0.188 10 false S17 1.865,3.01 4.542,3.26 2.677,0.25 10 false Rear Combination Light Assembly RH 1.688,3.667 1.854,3.865 0.167,0.198 10 false 1 3.646,3.656 3.813,3.854 0.167,0.198 10 false 2 1.896,3.813 2.135,4 0.24,0.188 10 false B 3.417,3.792 3.656,3.979 0.24,0.188 10 false E 1.688,4.25 2.115,4.521 0.427,0.271 10 false U47 1.698,4.417 3.813,4.646 2.115,0.229 10 false License Plate Light Assembly LH 3.667,5.021 3.833,5.219 0.167,0.198 10 false 1 1.667,5.01 1.833,5.208 0.167,0.198 10 false 2 1.865,5.167 2.104,5.354 0.24,0.188 10 false E 3.448,5.146 3.688,5.333 0.24,0.188 10 false B 1.688,5.625 2.115,5.865 0.427,0.24 10 false U48 1.698,5.781 3.813,6.01 2.115,0.229 10 false License Plate Light Assembly RH 5.938,6.073 7.104,6.625 1.167,0.552 10 false Main Body ECU (Multiplex Network Body ECU) 1.656,6.427 1.823,6.625 0.167,0.198 10 false 3 1.875,6.552 2.115,6.74 0.24,0.188 10 false E 3.438,6.531 3.677,6.719 0.24,0.188 10 false B 1.938,7.021 2.24,7.219 0.302,0.198 10 false U7 1.948,7.177 3.521,7.396 1.573,0.219 10 false Rear Light Assembly LH 1.677,7.865 1.844,8.063 0.167,0.198 10 false 3 1.865,8.01 2.104,8.198 0.24,0.188 10 false E 3.448,8.01 3.688,8.198 0.24,0.188 10 false B 1.948,8.438 2.25,8.635 0.302,0.198 10 false U6 1.958,8.604 3.531,8.823 1.573,0.219 10 false Rear Light Assembly RH 0.125,0.094 1.896,0.438 1.771,0.344 12 false for GTMC Made: 3.667,6.417 3.833,6.615 0.167,0.198 10 false 1 3.677,7.865 3.844,8.063 0.167,0.198 10 false 1


for Halogen Headlight


E479572E02
4.115,3.958 6.292,4.615 2.177,0.656 10 false Power Distribution Box Assembly 0.729,2.708 2.208,2.948 1.479,0.24 10 false Headlight Assembly LH 4.823,1.688 5.135,1.885 0.313,0.198 10 false +B 5.323,0.833 5.635,1.031 0.313,0.198 10 false IC 4.854,3.292 6.198,3.583 1.344,0.292 10 false CXPI Transceiver 3.573,1.969 3.885,2.167 0.313,0.198 10 false 8E 3.583,1.75 3.896,1.948 0.313,0.198 10 false 18 4.25,1.979 4.563,2.177 0.313,0.198 10 false IPD 5.5,4.844 7.135,5.438 1.635,0.594 10 false Main Body ECU (Multiplex Network Body ECU) 0.958,5.292 2.698,5.49 1.74,0.198 10 false : CXPI Communication Line 0.719,4.354 2.281,4.583 1.563,0.229 10 false Headlight Assembly RH 2.531,1.854 3.083,2.219 0.552,0.365 10 false 2 0.531,1.854 1.083,2.219 0.552,0.365 10 false 3 3.292,4.885 3.844,5.25 0.552,0.365 10 false A 3.583,3.26 3.896,3.458 0.313,0.198 10 false 8F 3.583,3.063 3.896,3.26 0.313,0.198 10 false 30 1.125,2.188 2.604,2.427 1.479,0.24 10 false Clearance Light 1.073,3.844 2.552,4.083 1.479,0.24 10 false Clearance Light 0.729,2.542 1.521,2.823 0.792,0.281 10 false A138 0.729,4.177 1.521,4.458 0.792,0.281 10 false A143 2.531,3.5 3.083,3.865 0.552,0.365 10 false 2 0.51,3.458 1.063,3.823 0.552,0.365 10 false 3 0.74,1.844 1.292,2.208 0.552,0.365 10 false E 0.74,3.458 1.292,3.823 0.552,0.365 10 false E 2.292,1.844 2.844,2.208 0.552,0.365 10 false B 2.281,3.479 2.833,3.844 0.552,0.365 10 false B

E479585E01
5.469,6.135 7.115,6.844 1.646,0.708 10 false Main Body ECU (Multiplex Network Body ECU) 5.167,0.219 5.323,0.417 0.156,0.198 10 false A 2.042,2.063 5.031,2.313 2.99,0.25 10 false Rear Combination Light Assembly LH 2.021,3.76 4.99,4.052 2.969,0.292 10 false Rear Combination Light Assembly RH 1.677,5.542 3.74,5.813 2.063,0.271 10 false License Plate Light Assembly RH 1.698,7.083 3.802,7.292 2.104,0.208 10 false License Plate Light Assembly LH 2.042,1.896 2.615,2.271 0.573,0.375 10 false S8 2.021,3.594 2.594,3.969 0.573,0.375 10 false S10 1.698,6.906 2.271,7.281 0.573,0.375 10 false U47 1.677,5.385 2.25,5.76 0.573,0.375 10 false U48 2.156,1.49 2.729,1.865 0.573,0.375 10 false E 4.01,1.479 4.583,1.854 0.573,0.375 10 false TL 4.302,1.344 4.875,1.719 0.573,0.375 10 false 2 1.969,1.365 2.542,1.74 0.573,0.375 10 false 1 2.146,3.156 2.719,3.531 0.573,0.375 10 false E 1.969,3.042 2.542,3.417 0.573,0.375 10 false 1 4.042,3.167 4.615,3.542 0.573,0.375 10 false TL 4.323,3.031 4.896,3.406 0.573,0.375 10 false 2 3.438,4.896 4.01,5.271 0.573,0.375 10 false B 1.875,4.896 2.448,5.271 0.573,0.375 10 false E 1.688,4.771 2.26,5.146 0.573,0.375 10 false 2 3.635,4.781 4.208,5.156 0.573,0.375 10 false 1 1.896,6.458 2.469,6.833 0.573,0.375 10 false B 1.698,6.323 2.271,6.698 0.573,0.375 10 false 1 3.448,6.479 4.021,6.854 0.573,0.375 10 false E 3.677,6.323 4.25,6.698 0.573,0.375 10 false 2


CAUTION / NOTICE / HINT

NOTICE:
·

First perform the communication function inspections in How to Proceed with Troubleshooting to confirm that there are no CXPI communication malfunctions before troubleshooting this symptom.

Click hereVehicle Exterior>LIGHTING (EXT)>LIGHTING SYSTEM>HOW TO PROCEED WITH TROUBLESHOOTING



PROCEDURE

1.READ VALUE USING GTS
a.

Using the GTS, read the Data List.

Body Electrical > Power Distribution Box > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Tail Light Input Signal Tail light input OFF or ON OFF: Taillight is not input
ON: Tail light is input
-
Body Electrical > Power Distribution Box > Data List
Tester Display
Tail Light Input Signal
50003 475 1290
OK:

Display changes according to the taillight illumination condition.



Result:
Proceed to
OK
NG



OK

2.READ VALUE USING GTS

NG

2.READ VALUE USING GTS
a.

Turn the light control switch to the TAIL position.


b.

Using the GTS, read the Data List.

Body Electrical > Power Distribution Box > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Tail Light Fuse Shut Off Status Tail light fuse condition OFF or ON OFF: Taillight fuse not shut off
ON: Taillight fuse shut off
-
Body Electrical > Power Distribution Box > Data List
Tester Display
Tail Light Fuse Shut Off Status
50003 475 1293
OK:

The Data List value displays "OFF".



Result:
Proceed to
OK
NG



OK

3.READ VALUE USING GTS

NG

4.CHECK VEHICLE TYPE
3.READ VALUE USING GTS
a.

Using the GTS, read the Data List.

Body Electrical > Power Distribution Box > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Tail Light Output Signal Tail light output OFF or ON OFF: Taillight is not output
ON: Tail light is output
-
Body Electrical > Power Distribution Box > Data List
Tester Display
Tail Light Output Signal
50003 475 1291
OK:

Display changes according to the taillight illumination condition.



Result:
Proceed to
OK
NG



OK

NG

4.CHECK VEHICLE TYPE
a.

Check vehicle type.


Result:
Result Proceed to
for LED Headlight A
for Halogen Headlight B



A

5.CHECK VEHICLE TYPE

B

24.INSPECT HEADLIGHT ASSEMBLY LH
5.CHECK VEHICLE TYPE
a.

Check vehicle type.


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



A

6.INSPECT HEADLIGHT ASSEMBLY LH

B

15.INSPECT HEADLIGHT ASSEMBLY LH
6.INSPECT HEADLIGHT ASSEMBLY LH
a.

Disconnect the A176 headlight assembly LH connector.


b.

Turn the light control switch to the AUTO (OFF) position.

NOTICE:

If the low beam headlights or clearance lights illuminate when the ignition switch is turned ON, shine a light on the automatic light control sensor to turn the low beam headlights off before operating the headlight dimmer switch.



c.

Turn the light control switch to the TAIL position.


d.

Using the GTS, read the Data List.

Body Electrical > Power Distribution Box > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Tail Light Fuse Shut Off Status Tail light fuse condition OFF or ON OFF: Taillight fuse not shut off
ON: Taillight fuse shut off
-
Body Electrical > Power Distribution Box > Data List
Tester Display
Tail Light Fuse Shut Off Status
50003 475 1293
OK:

The Data List value displays "OFF".



Result:
Proceed to
OK
NG



OK

NG

7.INSPECT HEADLIGHT ASSEMBLY RH
7.INSPECT HEADLIGHT ASSEMBLY RH
a.

Disconnect the A175 headlight assembly RH connector.


b.

Turn the light control switch to the AUTO (OFF) position.

NOTICE:

If the low beam headlights or clearance lights illuminate when the ignition switch is turned ON, shine a light on the automatic light control sensor to turn the low beam headlights off before operating the headlight dimmer switch.



c.

Turn the light control switch to the TAIL position.


d.

Using the GTS, read the Data List.

Body Electrical > Power Distribution Box > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Tail Light Fuse Shut Off Status Tail light fuse condition OFF or ON OFF: Taillight fuse not shut off
ON: Taillight fuse shut off
-
Body Electrical > Power Distribution Box > Data List
Tester Display
Tail Light Fuse Shut Off Status
50003 475 1293
OK:

The Data List value displays "OFF".



Result:
Proceed to
OK
NG



OK

NG

8.INSPECT REAR COMBINATION LIGHT ASSEMBLY LH
8.INSPECT REAR COMBINATION LIGHT ASSEMBLY LH
a.

Disconnect the S16 rear combination assembly LH connector.


b.

Turn the light control switch to the AUTO (OFF) position.

NOTICE:

If the low beam headlights or clearance lights illuminate when the ignition switch is turned ON, shine a light on the automatic light control sensor to turn the low beam headlights off before operating the headlight dimmer switch.



c.

Turn the light control switch to the TAIL position.


d.

Using the GTS, read the Data List.

Body Electrical > Power Distribution Box > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Tail Light Fuse Shut Off Status Tail light fuse condition OFF or ON OFF: Taillight fuse not shut off
ON: Taillight fuse shut off
-
Body Electrical > Power Distribution Box > Data List
Tester Display
Tail Light Fuse Shut Off Status
50003 475 1293
OK:

The Data List value displays "OFF".



Result:
Proceed to
OK
NG



OK

NG

9.INSPECT REAR COMBINATION LIGHT ASSEMBLY RH
9.INSPECT REAR COMBINATION LIGHT ASSEMBLY RH
a.

Disconnect the S17 rear combination assembly RH connector.


b.

Turn the light control switch to the AUTO (OFF) position.

NOTICE:

If the low beam headlights or clearance lights illuminate when the ignition switch is turned ON, shine a light on the automatic light control sensor to turn the low beam headlights off before operating the headlight dimmer switch.



c.

Turn the light control switch to the TAIL position.


d.

Using the GTS, read the Data List.

Body Electrical > Power Distribution Box > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Tail Light Fuse Shut Off Status Tail light fuse condition OFF or ON OFF: Taillight fuse not shut off
ON: Taillight fuse shut off
-
Body Electrical > Power Distribution Box > Data List
Tester Display
Tail Light Fuse Shut Off Status
50003 475 1293
OK:

The Data List value displays "OFF".



Result:
Proceed to
OK
NG



OK

NG

10.INSPECT REAR LIGHT ASSEMBLY LH
10.INSPECT REAR LIGHT ASSEMBLY LH
a.

Disconnect the U51 rear light assembly LH connector.


b.

Turn the light control switch to the AUTO (OFF) position.

NOTICE:

If the low beam headlights or clearance lights illuminate when the ignition switch is turned ON, shine a light on the automatic light control sensor to turn the low beam headlights off before operating the headlight dimmer switch.



c.

Turn the light control switch to the TAIL position.


d.

Using the GTS, read the Data List.

Body Electrical > Power Distribution Box > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Tail Light Fuse Shut Off Status Tail light fuse condition OFF or ON OFF: Taillight fuse not shut off
ON: Taillight fuse shut off
-
Body Electrical > Power Distribution Box > Data List
Tester Display
Tail Light Fuse Shut Off Status
50003 475 1293
OK:

The Data List value displays "OFF".



Result:
Proceed to
OK
NG



OK

NG

11.INSPECT REAR LIGHT ASSEMBLY RH
11.INSPECT REAR LIGHT ASSEMBLY RH
a.

Disconnect the U50 rear light assembly RH connector.


b.

Turn the light control switch to the AUTO (OFF) position.

NOTICE:

If the low beam headlights or clearance lights illuminate when the ignition switch is turned ON, shine a light on the automatic light control sensor to turn the low beam headlights off before operating the headlight dimmer switch.



c.

Turn the light control switch to the TAIL position.


d.

Using the GTS, read the Data List.

Body Electrical > Power Distribution Box > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Tail Light Fuse Shut Off Status Tail light fuse condition OFF or ON OFF: Taillight fuse not shut off
ON: Taillight fuse shut off
-
Body Electrical > Power Distribution Box > Data List
Tester Display
Tail Light Fuse Shut Off Status
50003 475 1293
OK:

The Data List value displays "OFF".



Result:
Proceed to
OK
NG



OK

NG

12.INSPECT LICENSE PLATE LIGHT ASSEMBLY LH
12.INSPECT LICENSE PLATE LIGHT ASSEMBLY LH
a.

Disconnect the U47 license plate light assembly LH connector.


b.

Turn the light control switch to the AUTO (OFF) position.

NOTICE:

If the low beam headlights or clearance lights illuminate when the ignition switch is turned ON, shine a light on the automatic light control sensor to turn the low beam headlights off before operating the headlight dimmer switch.



c.

Turn the light control switch to the TAIL position.


d.

Using the GTS, read the Data List.

Body Electrical > Power Distribution Box > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Tail Light Fuse Shut Off Status Tail light fuse condition OFF or ON OFF: Taillight fuse not shut off
ON: Taillight fuse shut off
-
Body Electrical > Power Distribution Box > Data List
Tester Display
Tail Light Fuse Shut Off Status
50003 475 1293
OK:

The Data List value displays "OFF".



Result:
Proceed to
OK
NG



OK

NG

13.INSPECT LICENSE PLATE LIGHT ASSEMBLY RH
13.INSPECT LICENSE PLATE LIGHT ASSEMBLY RH
a.

Disconnect the U48 license plate light assembly RH connector.


b.

Turn the light control switch to the AUTO (OFF) position.

NOTICE:

If the low beam headlights or clearance lights illuminate when the ignition switch is turned ON, shine a light on the automatic light control sensor to turn the low beam headlights off before operating the headlight dimmer switch.



c.

Turn the light control switch to the TAIL position.


d.

Using the GTS, read the Data List.

Body Electrical > Power Distribution Box > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Tail Light Fuse Shut Off Status Tail light fuse condition OFF or ON OFF: Taillight fuse not shut off
ON: Taillight fuse shut off
-
Body Electrical > Power Distribution Box > Data List
Tester Display
Tail Light Fuse Shut Off Status
50003 475 1293
OK:

The Data List value displays "OFF".



Result:
Proceed to
OK
NG



OK

NG

14.CHECK HARNESS AND CONNECTOR (POWER DISTRIBUTION BOX ASSEMBLY - TAIL RELAY CIRCUIT)
14.CHECK HARNESS AND CONNECTOR (POWER DISTRIBUTION BOX ASSEMBLY - TAIL RELAY CIRCUIT)
a.

Disconnect the cable from the negative (-) auxiliary battery terminal.


b.

Disconnect the 8E and 8F power distribution box assembly connectors.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
A176-8 (B)*1 - Body ground
A176-3 (B)*2 - Body ground
Always 10 kΩ or higher
A175-8 (B)*1 - Body ground
A175-3 (B)*2 - Body ground
Always 10 kΩ or higher
S16-2 (TL) - Body ground Always 10 kΩ or higher
S17-2 (TL) - Body ground Always 10 kΩ or higher
U47-1 (B) - Body ground Always 10 kΩ or higher
U48-1 (B) - Body ground Always 10 kΩ or higher
U51-2 (B) - Body ground Always 10 kΩ or higher
U50-2 (B) - Body ground Always 10 kΩ or higher
8E-18 - Body ground Always 10 kΩ or higher
8F-30 - Body ground Always 10 kΩ or higher


*1: for TFTM Made

*2: for GTMC Made



Result:
Proceed to
OK
NG



OK

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

15.INSPECT HEADLIGHT ASSEMBLY LH
a.

Disconnect the A176 headlight assembly LH connector.


b.

Turn the light control switch to the AUTO (OFF) position.

NOTICE:

If the low beam headlights or clearance lights illuminate when the ignition switch is turned ON, shine a light on the automatic light control sensor to turn the low beam headlights off before operating the headlight dimmer switch.



c.

Turn the light control switch to the TAIL position.


d.

Using the GTS, read the Data List.

Body Electrical > Power Distribution Box > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Tail Light Fuse Shut Off Status Tail light fuse condition OFF or ON OFF: Taillight fuse not shut off
ON: Taillight fuse shut off
-
Body Electrical > Power Distribution Box > Data List
Tester Display
Tail Light Fuse Shut Off Status
50003 475 1293
OK:

The Data List value displays "OFF".



Result:
Proceed to
OK
NG



OK

NG

16.INSPECT HEADLIGHT ASSEMBLY RH
16.INSPECT HEADLIGHT ASSEMBLY RH
a.

Disconnect the A175 headlight assembly RH connector.


b.

Turn the light control switch to the AUTO (OFF) position.

NOTICE:

If the low beam headlights or clearance lights illuminate when the ignition switch is turned ON, shine a light on the automatic light control sensor to turn the low beam headlights off before operating the headlight dimmer switch.



c.

Turn the light control switch to the TAIL position.


d.

Using the GTS, read the Data List.

Body Electrical > Power Distribution Box > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Tail Light Fuse Shut Off Status Tail light fuse condition OFF or ON OFF: Taillight fuse not shut off
ON: Taillight fuse shut off
-
Body Electrical > Power Distribution Box > Data List
Tester Display
Tail Light Fuse Shut Off Status
50003 475 1293
OK:

The Data List value displays "OFF".



Result:
Proceed to
OK
NG



OK

NG

17.INSPECT REAR COMBINATION LIGHT ASSEMBLY LH
17.INSPECT REAR COMBINATION LIGHT ASSEMBLY LH
a.

Disconnect the S16 rear combination assembly LH connector.


b.

Turn the light control switch to the AUTO (OFF) position.

NOTICE:

If the low beam headlights or clearance lights illuminate when the ignition switch is turned ON, shine a light on the automatic light control sensor to turn the low beam headlights off before operating the headlight dimmer switch.



c.

Turn the light control switch to the TAIL position.


d.

Using the GTS, read the Data List.

Body Electrical > Power Distribution Box > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Tail Light Fuse Shut Off Status Tail light fuse condition OFF or ON OFF: Taillight fuse not shut off
ON: Taillight fuse shut off
-
Body Electrical > Power Distribution Box > Data List
Tester Display
Tail Light Fuse Shut Off Status
50003 475 1293
OK:

The Data List value displays "OFF".



Result:
Proceed to
OK
NG



OK

NG

18.INSPECT REAR COMBINATION LIGHT ASSEMBLY RH
18.INSPECT REAR COMBINATION LIGHT ASSEMBLY RH
a.

Disconnect the S17 rear combination assembly RH connector.


b.

Turn the light control switch to the AUTO (OFF) position.

NOTICE:

If the low beam headlights or clearance lights illuminate when the ignition switch is turned ON, shine a light on the automatic light control sensor to turn the low beam headlights off before operating the headlight dimmer switch.



c.

Turn the light control switch to the TAIL position.


d.

Using the GTS, read the Data List.

Body Electrical > Power Distribution Box > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Tail Light Fuse Shut Off Status Tail light fuse condition OFF or ON OFF: Taillight fuse not shut off
ON: Taillight fuse shut off
-
Body Electrical > Power Distribution Box > Data List
Tester Display
Tail Light Fuse Shut Off Status
50003 475 1293
OK:

The Data List value displays "OFF".



Result:
Proceed to
OK
NG



OK

NG

19.INSPECT REAR LIGHT ASSEMBLY LH
19.INSPECT REAR LIGHT ASSEMBLY LH
a.

Disconnect the U7 rear light assembly LH connector.


b.

Turn the light control switch to the AUTO (OFF) position.

NOTICE:

If the low beam headlights or clearance lights illuminate when the ignition switch is turned ON, shine a light on the automatic light control sensor to turn the low beam headlights off before operating the headlight dimmer switch.



c.

Turn the light control switch to the TAIL position.


d.

Using the GTS, read the Data List.

Body Electrical > Power Distribution Box > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Tail Light Fuse Shut Off Status Tail light fuse condition OFF or ON OFF: Taillight fuse not shut off
ON: Taillight fuse shut off
-
Body Electrical > Power Distribution Box > Data List
Tester Display
Tail Light Fuse Shut Off Status
50003 475 1293
OK:

The Data List value displays "OFF".



Result:
Proceed to
OK
NG



OK

NG

20.INSPECT REAR LIGHT ASSEMBLY RH
20.INSPECT REAR LIGHT ASSEMBLY RH
a.

Disconnect the U6 rear light assembly RH connector.


b.

Turn the light control switch to the AUTO (OFF) position.

NOTICE:

If the low beam headlights or clearance lights illuminate when the ignition switch is turned ON, shine a light on the automatic light control sensor to turn the low beam headlights off before operating the headlight dimmer switch.



c.

Turn the light control switch to the TAIL position.


d.

Using the GTS, read the Data List.

Body Electrical > Power Distribution Box > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Tail Light Fuse Shut Off Status Tail light fuse condition OFF or ON OFF: Taillight fuse not shut off
ON: Taillight fuse shut off
-
Body Electrical > Power Distribution Box > Data List
Tester Display
Tail Light Fuse Shut Off Status
50003 475 1293
OK:

The Data List value displays "OFF".



Result:
Proceed to
OK
NG



OK

NG

21.INSPECT LICENSE PLATE LIGHT ASSEMBLY LH
21.INSPECT LICENSE PLATE LIGHT ASSEMBLY LH
a.

Disconnect the U47 license plate light assembly LH connector.


b.

Turn the light control switch to the AUTO (OFF) position.

NOTICE:

If the low beam headlights or clearance lights illuminate when the ignition switch is turned ON, shine a light on the automatic light control sensor to turn the low beam headlights off before operating the headlight dimmer switch.



c.

Turn the light control switch to the TAIL position.


d.

Using the GTS, read the Data List.

Body Electrical > Power Distribution Box > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Tail Light Fuse Shut Off Status Tail light fuse condition OFF or ON OFF: Taillight fuse not shut off
ON: Taillight fuse shut off
-
Body Electrical > Power Distribution Box > Data List
Tester Display
Tail Light Fuse Shut Off Status
50003 475 1293
OK:

The Data List value displays "OFF".



Result:
Proceed to
OK
NG



OK

NG

22.INSPECT LICENSE PLATE LIGHT ASSEMBLY RH
22.INSPECT LICENSE PLATE LIGHT ASSEMBLY RH
a.

Disconnect the U48 license plate light assembly RH connector.


b.

Turn the light control switch to the AUTO (OFF) position.

NOTICE:

If the low beam headlights or clearance lights illuminate when the ignition switch is turned ON, shine a light on the automatic light control sensor to turn the low beam headlights off before operating the headlight dimmer switch.



c.

Turn the light control switch to the TAIL position.


d.

Using the GTS, read the Data List.

Body Electrical > Power Distribution Box > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Tail Light Fuse Shut Off Status Tail light fuse condition OFF or ON OFF: Taillight fuse not shut off
ON: Taillight fuse shut off
-
Body Electrical > Power Distribution Box > Data List
Tester Display
Tail Light Fuse Shut Off Status
50003 475 1293
OK:

The Data List value displays "OFF".



Result:
Proceed to
OK
NG



OK

NG

23.CHECK HARNESS AND CONNECTOR (POWER DISTRIBUTION BOX ASSEMBLY - TAIL RELAY CIRCUIT)
23.CHECK HARNESS AND CONNECTOR (POWER DISTRIBUTION BOX ASSEMBLY - TAIL RELAY CIRCUIT)
a.

Disconnect the cable from the negative (-) auxiliary battery terminal.


b.

Disconnect the 8E and 8F power distribution box assembly connectors.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
A176-8 (B)*1 - Body ground
A176-3 (B)*2 - Body ground
Always 10 kΩ or higher
A175-8 (B)*1 - Body ground
A175-3 (B)*2 - Body ground
Always 10 kΩ or higher
S16-2 (TL) - Body ground Always 10 kΩ or higher
S17-2 (TL) - Body ground Always 10 kΩ or higher
U47-1 (B) - Body ground Always 10 kΩ or higher
U48-1 (B) - Body ground Always 10 kΩ or higher
U7-1 (B) - Body ground Always 10 kΩ or higher
U6-1 (B) - Body ground Always 10 kΩ or higher
8E-18 - Body ground Always 10 kΩ or higher
8F-30 - Body ground Always 10 kΩ or higher


*1: for TFTM Made

*2: for GTMC Made



Result:
Proceed to
OK
NG



OK

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

24.INSPECT HEADLIGHT ASSEMBLY LH
a.

Disconnect the A138 headlight assembly LH connector.


b.

Turn the light control switch to the AUTO (OFF) position.

NOTICE:

If the low beam headlights or clearance lights illuminate when the ignition switch is turned ON, shine a light on the automatic light control sensor to turn the low beam headlights off before operating the headlight dimmer switch.



c.

Turn the light control switch to the TAIL position.


d.

Using the GTS, read the Data List.

Body Electrical > Power Distribution Box > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Tail Light Fuse Shut Off Status Tail light fuse condition OFF or ON OFF: Taillight fuse not shut off
ON: Taillight fuse shut off
-
Body Electrical > Power Distribution Box > Data List
Tester Display
Tail Light Fuse Shut Off Status
50003 475 1293
OK:

The Data List value displays "OFF".



Result:
Proceed to
OK
NG



OK

NG

25.INSPECT HEADLIGHT ASSEMBLY RH
25.INSPECT HEADLIGHT ASSEMBLY RH
a.

Disconnect the A143 headlight assembly RH connector.


b.

Turn the light control switch to the AUTO (OFF) position.

NOTICE:

If the low beam headlights or clearance lights illuminate when the ignition switch is turned ON, shine a light on the automatic light control sensor to turn the low beam headlights off before operating the headlight dimmer switch.



c.

Turn the light control switch to the TAIL position.


d.

Using the GTS, read the Data List.

Body Electrical > Power Distribution Box > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Tail Light Fuse Shut Off Status Tail light fuse condition OFF or ON OFF: Taillight fuse not shut off
ON: Taillight fuse shut off
-
Body Electrical > Power Distribution Box > Data List
Tester Display
Tail Light Fuse Shut Off Status
50003 475 1293
OK:

The Data List value displays "OFF".



Result:
Proceed to
OK
NG



OK

NG

26.INSPECT REAR COMBINATION LIGHT ASSEMBLY LH
26.INSPECT REAR COMBINATION LIGHT ASSEMBLY LH
a.

Disconnect the S8 rear combination assembly LH connector.


b.

Turn the light control switch to the AUTO (OFF) position.

NOTICE:

If the low beam headlights or clearance lights illuminate when the ignition switch is turned ON, shine a light on the automatic light control sensor to turn the low beam headlights off before operating the headlight dimmer switch.



c.

Turn the light control switch to the TAIL position.


d.

Using the GTS, read the Data List.

Body Electrical > Power Distribution Box > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Tail Light Fuse Shut Off Status Tail light fuse condition OFF or ON OFF: Taillight fuse not shut off
ON: Taillight fuse shut off
-
Body Electrical > Power Distribution Box > Data List
Tester Display
Tail Light Fuse Shut Off Status
50003 475 1293
OK:

The Data List value displays "OFF".



Result:
Proceed to
OK
NG



OK

NG

27.INSPECT REAR COMBINATION LIGHT ASSEMBLY RH
27.INSPECT REAR COMBINATION LIGHT ASSEMBLY RH
a.

Disconnect the S10 rear combination assembly RH connector.


b.

Turn the light control switch to the AUTO (OFF) position.

NOTICE:

If the low beam headlights or clearance lights illuminate when the ignition switch is turned ON, shine a light on the automatic light control sensor to turn the low beam headlights off before operating the headlight dimmer switch.



c.

Turn the light control switch to the TAIL position.


d.

Using the GTS, read the Data List.

Body Electrical > Power Distribution Box > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Tail Light Fuse Shut Off Status Tail light fuse condition OFF or ON OFF: Taillight fuse not shut off
ON: Taillight fuse shut off
-
Body Electrical > Power Distribution Box > Data List
Tester Display
Tail Light Fuse Shut Off Status
50003 475 1293
OK:

The Data List value displays "OFF".



Result:
Proceed to
OK
NG



OK

NG

28.INSPECT LICENSE PLATE LIGHT ASSEMBLY LH
28.INSPECT LICENSE PLATE LIGHT ASSEMBLY LH
a.

Disconnect the U47 license plate light assembly LH connector.


b.

Turn the light control switch to the AUTO (OFF) position.

NOTICE:

If the low beam headlights or clearance lights illuminate when the ignition switch is turned ON, shine a light on the automatic light control sensor to turn the low beam headlights off before operating the headlight dimmer switch.



c.

Turn the light control switch to the TAIL position.


d.

Using the GTS, read the Data List.

Body Electrical > Power Distribution Box > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Tail Light Fuse Shut Off Status Tail light fuse condition OFF or ON OFF: Taillight fuse not shut off
ON: Taillight fuse shut off
-
Body Electrical > Power Distribution Box > Data List
Tester Display
Tail Light Fuse Shut Off Status
50003 475 1293
OK:

The Data List value displays "OFF".



Result:
Proceed to
OK
NG



OK

NG

29.INSPECT LICENSE PLATE LIGHT ASSEMBLY RH
29.INSPECT LICENSE PLATE LIGHT ASSEMBLY RH
a.

Disconnect the U48 license plate light assembly RH connector.


b.

Turn the light control switch to the AUTO (OFF) position.

NOTICE:

If the low beam headlights or clearance lights illuminate when the ignition switch is turned ON, shine a light on the automatic light control sensor to turn the low beam headlights off before operating the headlight dimmer switch.



c.

Turn the light control switch to the TAIL position.


d.

Using the GTS, read the Data List.

Body Electrical > Power Distribution Box > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Tail Light Fuse Shut Off Status Tail light fuse condition OFF or ON OFF: Taillight fuse not shut off
ON: Taillight fuse shut off
-
Body Electrical > Power Distribution Box > Data List
Tester Display
Tail Light Fuse Shut Off Status
50003 475 1293
OK:

The Data List value displays "OFF".



Result:
Proceed to
OK
NG



OK

NG

30.CHECK HARNESS AND CONNECTOR (POWER DISTRIBUTION BOX ASSEMBLY - TAIL RELAY CIRCUIT)
30.CHECK HARNESS AND CONNECTOR (POWER DISTRIBUTION BOX ASSEMBLY - TAIL RELAY CIRCUIT)
a.

Disconnect the cable from the negative (-) auxiliary battery terminal.


b.

Disconnect the 8E and 8F power distribution box assembly connectors.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
A138-2(B) - Body ground Always 10 kΩ or higher
A143-2(B) - Body ground Always 10 kΩ or higher
S8-2 (TL) - Body ground Always 10 kΩ or higher
S10-2 (TL) - Body ground Always 10 kΩ or higher
U47-1 (B) - Body ground Always 10 kΩ or higher
U48-1 (B) - Body ground Always 10 kΩ or higher
8E-18 - Body ground Always 10 kΩ or higher
8F-30 - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR