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

LIGHTING (EXT)  LIGHTING SYSTEM(except NR Series Engine)  Taillight Relay Circuit  


DESCRIPTION

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

WIRING DIAGRAM

for TFTM Made


E554656E01
4.115,3.958 6.292,4.615 2.177,0.656 10 false Power Distribution Box Assembly 0.74,2.531 2.219,2.771 1.479,0.24 10 false Headlight Assembly LH 4.469,1.458 5.125,1.844 0.656,0.385 10 false TAIL 5.531,0.906 5.844,1.104 0.313,0.198 10 false IC 2.292,1.104 4.375,1.583 2.083,0.479 10 false INP STD NO. 2 3.563,1.958 4.125,2.219 0.563,0.26 10 false 10A 3.604,1.76 3.917,1.958 0.313,0.198 10 false 20 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 2.938,0.469 2.823,0.333 12 false for LED Type Turn Signal Light: 0.729,4.167 2.292,4.396 1.563,0.229 10 false Headlight Assembly RH 3.292,4.625 3.844,4.99 0.552,0.365 10 false A 3.594,2.844 3.906,3.042 0.313,0.198 10 false 15 3.552,3.031 4.073,3.354 0.521,0.323 10 false 10G 0.74,2.385 1.531,2.667 0.792,0.281 10 false A166 0.729,4.01 1.521,4.292 0.792,0.281 10 false A165 2.542,3.5 3.094,3.865 0.552,0.365 10 false 5 0.573,3.521 1.125,3.885 0.552,0.365 10 false 4 2.521,1.844 3.073,2.208 0.552,0.365 10 false 5 0.552,1.875 1.104,2.24 0.552,0.365 10 false 4 0.719,1.969 1.271,2.333 0.552,0.365 10 false E 0.74,3.615 1.292,3.979 0.552,0.365 10 false E 2.323,1.958 2.875,2.323 0.552,0.365 10 false B 2.333,3.615 2.885,3.979 0.552,0.365 10 false B 0.875,0.917 2.469,1.229 1.594,0.313 10 false from Auxiliary Battery 4.5,2.094 5.156,2.479 0.656,0.385 10 false TAIL 3.552,0.917 4.115,1.177 0.563,0.26 10 false 10D 3.625,0.708 3.938,0.906 0.313,0.198 10 false 1

E554656E02
4.115,3.958 6.292,4.615 2.177,0.656 10 false Power Distribution Box Assembly 0.74,2.531 2.219,2.771 1.479,0.24 10 false Headlight Assembly LH 4.469,1.458 5.125,1.844 0.656,0.385 10 false TAIL 5.531,0.906 5.844,1.104 0.313,0.198 10 false IC 2.292,1.104 4.375,1.583 2.083,0.479 10 false INP STD NO. 2 3.563,1.958 4.125,2.219 0.563,0.26 10 false 10A 3.604,1.76 3.917,1.958 0.313,0.198 10 false 20 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 2.938,0.469 2.823,0.333 12 false for Bulb Type Turn Signal Light: 0.729,4.167 2.292,4.396 1.563,0.229 10 false Headlight Assembly RH 3.292,4.625 3.844,4.99 0.552,0.365 10 false A 3.594,2.844 3.906,3.042 0.313,0.198 10 false 15 3.552,3.031 4.073,3.354 0.521,0.323 10 false 10G 0.74,2.385 1.531,2.667 0.792,0.281 10 false A160 0.729,4.01 1.521,4.292 0.792,0.281 10 false A159 2.542,3.5 3.094,3.865 0.552,0.365 10 false 4 0.573,3.521 1.125,3.885 0.552,0.365 10 false 1 2.521,1.844 3.073,2.208 0.552,0.365 10 false 4 0.552,1.875 1.104,2.24 0.552,0.365 10 false 1 0.719,1.969 1.271,2.333 0.552,0.365 10 false E 0.74,3.615 1.292,3.979 0.552,0.365 10 false E 2.323,1.958 2.875,2.323 0.552,0.365 10 false B 2.333,3.615 2.885,3.979 0.552,0.365 10 false B 0.875,0.917 2.573,1.313 1.698,0.396 10 false from Auxiliary Battery 4.5,2.094 5.156,2.479 0.656,0.385 10 false TAIL 3.552,0.917 4.115,1.177 0.563,0.26 10 false 10D 3.625,0.708 3.938,0.906 0.313,0.198 10 false 1

E517170E01
4.698,0.115 4.865,0.313 0.167,0.198 10 false A 1.885,0.448 2.052,0.646 0.167,0.198 10 false 4 3.833,0.438 4,0.635 0.167,0.198 10 false 1 3.615,0.521 3.854,0.708 0.24,0.188 10 false TL 2.031,0.542 2.271,0.729 0.24,0.188 10 false E 2,1.104 2.396,1.292 0.396,0.188 10 false O104 2,1.24 4.677,1.49 2.677,0.25 10 false Rear Combination Light Assembly LH 1.875,1.729 2.042,1.927 0.167,0.198 10 false 4 3.854,1.708 4.021,1.906 0.167,0.198 10 false 1 2.042,1.833 2.281,2.021 0.24,0.188 10 false E 3.625,1.823 4.01,2.01 0.385,0.188 10 false TL 1.99,2.385 2.385,2.573 0.396,0.188 10 false O103 1.99,2.521 4.667,2.771 2.677,0.25 10 false Rear Combination Light Assembly RH 1.875,2.917 2.042,3.115 0.167,0.198 10 false 2 3.844,2.948 4.01,3.146 0.167,0.198 10 false 1 3.677,3.031 3.917,3.219 0.24,0.188 10 false B 2.042,3.042 2.281,3.229 0.24,0.188 10 false E 2,3.625 2.427,3.896 0.427,0.271 10 false O149 2.01,3.76 4.125,3.99 2.115,0.229 10 false License Plate Light Assembly LH 3.844,4.292 4.01,4.49 0.167,0.198 10 false 1 1.875,4.281 2.042,4.479 0.167,0.198 10 false 2 2.031,4.406 2.271,4.594 0.24,0.188 10 false E 3.677,4.396 3.917,4.583 0.24,0.188 10 false B 1.979,4.854 2.406,5.094 0.427,0.24 10 false O148 2,5 4.115,5.229 2.115,0.229 10 false License Plate Light Assembly RH 5.917,4.969 7.083,5.521 1.167,0.552 10 false Main Body ECU (Multiplex Network Body ECU) 3.844,5.656 4.01,5.854 0.167,0.198 10 false 4 1.875,5.625 2.042,5.823 0.167,0.198 10 false 1 2.021,5.75 2.26,5.938 0.24,0.188 10 false E 3.688,5.75 3.927,5.938 0.24,0.188 10 false B 1.99,6.198 2.438,6.406 0.448,0.208 10 false O110 2.125,6.333 3.698,6.552 1.573,0.219 10 false Rear Light Assembly LH 3.844,7 4.01,7.198 0.167,0.198 10 false 4 1.854,6.979 2.021,7.177 0.167,0.198 10 false 1 2.031,7.094 2.271,7.281 0.24,0.188 10 false E 3.677,7.083 3.917,7.271 0.24,0.188 10 false B 2.01,7.542 2.542,7.781 0.531,0.24 10 false O109 2.146,7.698 3.719,7.917 1.573,0.219 10 false Rear Light Assembly RH


for GTMC Made


E554656E03
4.115,3.958 6.292,4.615 2.177,0.656 10 false Power Distribution Box Assembly 0.74,2.531 2.219,2.771 1.479,0.24 10 false Headlight Assembly LH 4.469,1.458 5.125,1.844 0.656,0.385 10 false TAIL 5.531,0.906 5.844,1.104 0.313,0.198 10 false IC 2.292,1.104 4.375,1.583 2.083,0.479 10 false INP STD NO. 2 3.563,1.958 4.125,2.219 0.563,0.26 10 false 10A 3.604,1.76 3.917,1.958 0.313,0.198 10 false 20 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 0.729,4.167 2.292,4.396 1.563,0.229 10 false Headlight Assembly RH 3.292,4.625 3.844,4.99 0.552,0.365 10 false A 3.594,2.844 3.906,3.042 0.313,0.198 10 false 15 3.552,3.031 4.073,3.354 0.521,0.323 10 false 10G 0.74,2.385 1.531,2.667 0.792,0.281 10 false A168 0.729,4.01 1.521,4.292 0.792,0.281 10 false A167 2.542,3.5 3.094,3.865 0.552,0.365 10 false 7 0.573,3.521 1.125,3.885 0.552,0.365 10 false 5 2.521,1.844 3.073,2.208 0.552,0.365 10 false 7 0.552,1.875 1.104,2.24 0.552,0.365 10 false 5 0.719,1.969 1.271,2.333 0.552,0.365 10 false E 0.74,3.615 1.292,3.979 0.552,0.365 10 false E 2.323,1.958 2.875,2.323 0.552,0.365 10 false B 2.333,3.615 2.885,3.979 0.552,0.365 10 false B 0.865,0.917 3.406,1.354 2.542,0.438 10 false from Auxiliary Battery 4.5,2.094 5.156,2.479 0.656,0.385 10 false TAIL 3.615,0.729 3.927,0.927 0.313,0.198 10 false 1 3.552,0.917 4.115,1.177 0.563,0.26 10 false 10D

E517171E01
4.719,0.135 4.885,0.333 0.167,0.198 10 false A 1.885,0.615 2.052,0.813 0.167,0.198 10 false 4 3.833,0.573 4,0.771 0.167,0.198 10 false 1 3.625,0.688 3.865,0.875 0.24,0.188 10 false TL 2.031,0.719 2.271,0.906 0.24,0.188 10 false E 2,1.167 2.396,1.354 0.396,0.188 10 false O104 2.01,1.313 4.688,1.563 2.677,0.25 10 false Rear Combination Light Assembly LH 1.875,2.688 2.042,2.885 0.167,0.198 10 false 4 3.833,2.656 4,2.854 0.167,0.198 10 false 1 2.031,2.771 2.271,2.958 0.24,0.188 10 false E 3.635,2.74 4.021,2.927 0.385,0.188 10 false TL 1.958,3.219 2.354,3.406 0.396,0.188 10 false O103 1.969,3.354 4.646,3.604 2.677,0.25 10 false Rear Combination Light Assembly RH 1.885,4.677 2.052,4.875 0.167,0.198 10 false 2 3.833,4.667 4,4.865 0.167,0.198 10 false 1 3.688,4.75 3.927,4.938 0.24,0.188 10 false B 2.031,4.76 2.271,4.948 0.24,0.188 10 false E 1.979,5.219 2.406,5.49 0.427,0.271 10 false O113 1.99,5.354 4.104,5.583 2.115,0.229 10 false License Plate Light Assembly LH 3.885,6.74 4.052,6.938 0.167,0.198 10 false 1 1.917,6.74 2.083,6.938 0.167,0.198 10 false 2 2.063,6.844 2.302,7.031 0.24,0.188 10 false E 3.719,6.833 3.958,7.021 0.24,0.188 10 false B 2.01,7.302 2.438,7.542 0.427,0.24 10 false O112 2.021,7.448 4.135,7.677 2.115,0.229 10 false License Plate Light Assembly RH 5.917,4.969 7.083,5.521 1.167,0.552 10 false Main Body ECU (Multiplex Network Body ECU)


CAUTION / NOTICE / HINT

NOTICE:
·

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

Click hereVehicle Exterior>LIGHTING (EXT)>LIGHTING SYSTEM (except NR Series Engine)>HOW TO PROCEED WITH TROUBLESHOOTING

·

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 (except NR Series Engine)>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 TFTM Model A
for GTMC Model 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 LED Headlight A
for Halogen Headlight B



A

6.INSPECT HEADLIGHT ASSEMBLY LH

B

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

Disconnect the A166 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 A165 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 O104 rear combination 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

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

Disconnect the O103 rear combination 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

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

Disconnect the O110 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 O109 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 O149 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 O148 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 10A and 10G 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
A166-5 (B) - Body ground Always 10 kΩ or higher
A165-5 (B) - Body ground Always 10 kΩ or higher
O104-1 (TL) - Body ground Always 10 kΩ or higher
O103-1 (TL) - Body ground Always 10 kΩ or higher
O149-1 (B) - Body ground Always 10 kΩ or higher
O148-1 (B) - Body ground Always 10 kΩ or higher
O110-4 (B) - Body ground Always 10 kΩ or higher
O109-4 (B) - Body ground Always 10 kΩ or higher
10A-20 - Body ground Always 10 kΩ or higher
10G-15 - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

15.INSPECT HEADLIGHT ASSEMBLY LH
a.

Disconnect the A160 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 A159 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 O104 rear combination 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

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

Disconnect the O103 rear combination 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

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

Disconnect the O110 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 O109 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 O149 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 O148 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 10A and 10G 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
A160-4 (B) - Body ground Always 10 kΩ or higher
A159-4 (B) - Body ground Always 10 kΩ or higher
O104-1 (TL) - Body ground Always 10 kΩ or higher
O103-1 (TL) - Body ground Always 10 kΩ or higher
O149-1 (B) - Body ground Always 10 kΩ or higher
O148-1 (B) - Body ground Always 10 kΩ or higher
O110-4 (B) - Body ground Always 10 kΩ or higher
O109-4 (B) - Body ground Always 10 kΩ or higher
10A-20 - Body ground Always 10 kΩ or higher
10G-15 - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

24.INSPECT HEADLIGHT ASSEMBLY LH
a.

Disconnect the A168 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 A167 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 O104 rear combination 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

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

Disconnect the O103 rear combination 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

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

Disconnect the O113 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 O112 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 10A and 10G 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
A168-7(B) - Body ground Always 10 kΩ or higher
A167-7(B) - Body ground Always 10 kΩ or higher
O104-1 (TL) - Body ground Always 10 kΩ or higher
O103-1 (TL) - Body ground Always 10 kΩ or higher
O113-1 (B) - Body ground Always 10 kΩ or higher
O112-1 (B) - Body ground Always 10 kΩ or higher
10A-20 - Body ground Always 10 kΩ or higher
10G-15 - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR