RM36D0EC _59 Vehicle Exterior _083096 LIGHTING (EXT) _0402622 LIGHTING SYSTEM J

LIGHTING (EXT)  LIGHTING SYSTEM  LO-beam Headlight does not Illuminate  


DESCRIPTION

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

WIRING DIAGRAM

for Triple Beam Headlight


E546147E05
5.51,5.313 7.146,5.667 1.635,0.354 10 false Main Body ECU (Multiplex Network Body ECU) 4.313,4.698 5.427,5.146 1.115,0.448 10 false Power Distribution Box Assembly 4.323,4.521 5.958,4.875 1.635,0.354 10 false 6E 5.76,3.625 6.25,3.917 0.49,0.292 10 false HRY2 5.802,0.823 6.292,1.115 0.49,0.292 10 false HRLY 5.5,0.802 5.99,1.094 0.49,0.292 10 false 8 5.51,3.604 6,3.896 0.49,0.292 10 false 9 1.604,2.823 3.542,3.031 1.938,0.208 10 false Headlight Assembly LH 2.198,1.458 4.438,1.813 2.24,0.354 10 false H-LP LH 2.177,4.25 4.417,4.604 2.24,0.354 10 false H-LP RH 1.646,5.656 3.542,5.885 1.896,0.229 10 false Headlight Assembly RH 1.146,3.24 3.385,3.594 2.24,0.354 10 false from Auxiliary Battery 1.115,0.417 3.354,0.771 2.24,0.354 10 false from Auxiliary Battery 0.854,1.083 3.094,1.438 2.24,0.354 10 false H-LP LH 0.833,3.885 3.073,4.24 2.24,0.354 10 false H-LP RH 1.615,2.656 3.083,3.438 1.469,0.781 10 false A62*1, A110*2 4.01,0.792 5.646,1.146 1.635,0.354 10 false 6 2.76,0.802 4.396,1.156 1.635,0.354 10 false 1 2.083,0.813 3.719,1.167 1.635,0.354 10 false 2 2.094,1.094 3.729,1.448 1.635,0.354 10 false 5 2.76,1.083 4.396,1.438 1.635,0.354 10 false 3 2.75,3.635 4.385,3.99 1.635,0.354 10 false 1 2.75,3.896 4.385,4.25 1.635,0.354 10 false 3 2.083,3.865 3.719,4.219 1.635,0.354 10 false 5 2.094,3.635 2.5,3.823 0.406,0.188 10 false 2 1.625,5.49 3.865,5.844 2.24,0.354 10 false A61*1, A109*2 2.74,2.167 4.979,2.521 2.24,0.354 10 false LO 1.969,2.167 4.208,2.521 2.24,0.354 10 false E 1.344,2.052 3.583,2.406 2.24,0.354 10 false 2*1, 3*2 3.073,2.042 4.708,2.396 1.635,0.354 10 false 1 3.052,4.865 4.688,5.219 1.635,0.354 10 false 1 2.75,4.979 4.99,5.333 2.24,0.354 10 false LO 2,4.99 4.24,5.344 2.24,0.354 10 false E 3.958,3.604 5.594,3.958 1.635,0.354 10 false 10 5.51,5.125 7.146,5.479 1.635,0.354 10 false A 1.375,4.854 3.615,5.208 2.24,0.354 10 false 2*1, 3*2 0.365,6.354 2.604,6.708 2.24,0.354 10 false *1: for SFTM Made 2.031,6.344 4.271,6.698 2.24,0.354 10 false *2: for GTMC Made


for Single Beam Headlight


E546147E06
5.51,5.313 7.146,5.667 1.635,0.354 10 false Main Body ECU (Multiplex Network Body ECU) 4.313,4.698 5.427,5.146 1.115,0.448 10 false Power Distribution Box Assembly 4.323,4.521 5.958,4.875 1.635,0.354 10 false 6E 5.76,3.625 6.25,3.917 0.49,0.292 10 false HRY2 5.802,0.823 6.292,1.115 0.49,0.292 10 false HRLY 5.5,0.802 5.99,1.094 0.49,0.292 10 false 8 5.51,3.604 6,3.896 0.49,0.292 10 false 9 1.604,2.813 3.365,3.042 1.76,0.229 10 false Headlight Assembly LH 2.198,1.458 4.438,1.813 2.24,0.354 10 false H-LP LH 2.177,4.25 4.417,4.604 2.24,0.354 10 false H-LP RH 1.781,5.635 3.458,5.865 1.677,0.229 10 false Headlight Assembly RH 1.146,3.24 3.385,3.594 2.24,0.354 10 false from Auxiliary Battery 1.083,0.438 3.323,0.792 2.24,0.354 10 false from Auxiliary Battery 0.854,1.083 3.094,1.438 2.24,0.354 10 false H-LP LH 0.833,3.885 3.073,4.24 2.24,0.354 10 false H-LP RH 1.615,2.656 3.854,3.01 2.24,0.354 10 false A104 4.01,0.792 5.646,1.146 1.635,0.354 10 false 6 2.76,0.802 4.396,1.156 1.635,0.354 10 false 1 2.083,0.813 3.719,1.167 1.635,0.354 10 false 2 2.094,1.094 3.729,1.448 1.635,0.354 10 false 5 2.76,1.083 4.396,1.438 1.635,0.354 10 false 3 2.75,3.635 4.385,3.99 1.635,0.354 10 false 1 2.75,3.896 4.385,4.25 1.635,0.354 10 false 3 2.042,3.865 3.677,4.219 1.635,0.354 10 false 5 2.052,3.635 3.688,3.99 1.635,0.354 10 false 2 1.802,5.479 4.042,5.833 2.24,0.354 10 false A103 2.74,2.167 4.979,2.521 2.24,0.354 10 false LO 1.969,2.167 4.208,2.521 2.24,0.354 10 false E 1.365,2.063 3.604,2.417 2.24,0.354 10 false 5*1, 2*2 3.073,2.042 4.708,2.396 1.635,0.354 10 false 1 3.052,4.865 4.688,5.219 1.635,0.354 10 false 1 2.75,4.979 4.99,5.333 2.24,0.354 10 false LO 2,4.99 4.24,5.344 2.24,0.354 10 false E 3.958,3.604 5.594,3.958 1.635,0.354 10 false 10 5.51,5.125 7.146,5.479 1.635,0.354 10 false A 1.354,4.854 3.594,5.208 2.24,0.354 10 false 5*1, 2*2 0.354,6.438 2.594,6.792 2.24,0.354 10 false *1: for SFTM Made 1.823,6.458 4.063,6.813 2.24,0.354 10 false *2: for GTMC Made


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.



PROCEDURE

1.PERFORM ACTIVE TEST USING GTS
a.

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
Headlight Relay / Light Power Supply Relay Low beam headlights OFF or ON -
Body Electrical > Main Body > Active Test
Tester Display
Headlight Relay / Light Power Supply Relay
50004 449 50
OK:

Low beam headlights illuminate.



Result:
Result Proceed to
OK A
NG (for LH Side) B
NG (for RH Side) C



A

USE SIMULATION METHOD TO CHECK

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING


B

2.CHECK HEADLIGHT ASSEMBLY LH (LO TERMINAL VOLTAGE)

C

9.CHECK HEADLIGHT ASSEMBLY RH (LO TERMINAL VOLTAGE)
2.CHECK HEADLIGHT ASSEMBLY LH (LO TERMINAL VOLTAGE)
a.
E421878C36
1.438,0.323 1.885,0.563 0.448,0.24 1.417,2.604 1.896,2.844 0.479,0.24 1.427,2.292 1.906,2.531 0.479,0.24 0.719,1.063 1.385,1.271 true 0.729,3.115 1.385,3.563 true 0.083,0.125 0.396,0.323 0.313,0.198 10 false *a 1.958,0.365 2.271,0.563 0.313,0.198 10 false *A 1.542,0.354 1.938,0.552 0.396,0.198 10 false A62 1.49,2.635 1.885,2.833 0.396,0.198 10 false A104 1.99,2.344 2.302,2.542 0.313,0.198 10 false *B 0.49,0.969 0.802,1.167 0.313,0.198 10 false LO 0.5,3.021 0.813,3.219 0.313,0.198 10 false LO 1.49,2.323 1.885,2.521 0.396,0.198 10 false A110 1.99,2.604 2.302,2.802 0.313,0.198 10 false *C
*A for Triple Beam Headlight, SFTM Made
*B for Triple Beam Headlight, GTMC Made
*C for Single Beam Headlight
*a Front view of wire harness connector
(to Headlight Assembly LH)


Disconnect the headlight assembly LH connector.


b.

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

Standard Voltage:
for Triple Beam Headlight, SFTM Made
Tester Connection Switch Condition Specified Condition
A62-1 (LO) - Body ground Light control switch in HEAD position 11 to 14 V

for Triple Beam Headlight, GTMC Made
Tester Connection Switch Condition Specified Condition
A110-1 (LO) - Body ground Light control switch in HEAD position 11 to 14 V

for Single Beam Headlight
Tester Connection Switch Condition Specified Condition
A104-1 (LO) - Body ground Light control switch in HEAD position 11 to 14 V



Result:
Proceed to
OK
NG



OK

3.CHECK HARNESS AND CONNECTOR (HEADLIGHT ASSEMBLY LH - BODY GROUND)

NG

4.INSPECT H-LP LH RELAY
3.CHECK HARNESS AND CONNECTOR (HEADLIGHT ASSEMBLY LH - BODY GROUND)
a.
E421878C35
1.438,0.323 1.885,0.563 0.448,0.24 1.417,2.604 1.865,2.844 0.448,0.24 1.417,2.323 1.865,2.563 0.448,0.24 1.01,0.771 1.677,1.271 true 0.656,3.146 1.542,3.531 true 0.729,4.25 1.375,3.729 true 1.792,3.542 2.427,3.094 true 0.083,0.125 0.396,0.323 0.313,0.198 10 false *a 1.958,0.365 2.271,0.563 0.313,0.198 10 false *A 1.542,0.354 1.938,0.552 0.396,0.198 10 false A62 1.49,2.646 1.885,2.844 0.396,0.198 10 false A104 1.917,2.656 2.688,2.979 0.771,0.323 10 false *C, *D 0.76,0.688 1.073,0.885 0.313,0.198 10 false E 0.219,3.021 0.823,3.375 0.604,0.354 10 false E (*D) 1.49,2.365 1.885,2.563 0.396,0.198 10 false A110 1.917,2.375 2.229,2.573 0.313,0.198 10 false *B 2.531,3.01 2.979,3.313 0.448,0.302 10 false E (*B) 0.302,4.177 0.75,4.479 0.448,0.302 10 false E (*C)
*A for Triple Beam Headlight, SFTM Made
*B for Triple Beam Headlight, GTMC Made
*C for Single Beam Headlight, SFTM Made
*D for Single Beam Headlight, GTMC Made
*a Front view of wire harness connector
(to Headlight Assembly LH)


Disconnect the headlight assembly LH connector.


b.

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

Standard Resistance:
for Triple Beam Headlight, SFTM Made
Tester Connection Condition Specified Condition
A62-2 (E) - Body ground Always Below 1 Ω

for Triple Beam Headlight, GTMC Made
Tester Connection Condition Specified Condition
A110-3 (E) - Body ground Always Below 1 Ω

for Single Beam Headlight, SFTM Made
Tester Connection Condition Specified Condition
A104-5 (E) - Body ground Always Below 1 Ω

for Single Beam Headlight, GTMC Made
Tester Connection Condition Specified Condition
A104-2 (E) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

REPLACE HEADLIGHT ASSEMBLY LH

for Triple Beam Headlight:

Click hereVehicle Exterior>LIGHTING (EXT)>HEADLIGHT ASSEMBLY (for Triple Beam Headlight)>DISASSEMBLY

for Single Beam Headlight:

Click hereVehicle Exterior>LIGHTING (EXT)>HEADLIGHT ASSEMBLY (for Single Beam Headlight)>DISASSEMBLY


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

4.INSPECT H-LP LH RELAY

Click hereVehicle Exterior>LIGHTING (EXT)>RELAY>ON-VEHICLE INSPECTION

Result:
Proceed to
OK
NG



OK

5.CHECK HARNESS AND CONNECTOR (H-LP LH RELAY - HEADLIGHT ASSEMBLY LH)

NG

REPLACE H-LP LH RELAY

5.CHECK HARNESS AND CONNECTOR (H-LP LH RELAY - HEADLIGHT ASSEMBLY LH)
a.

Remove the H-LP LH relay.


b.

Disconnect the A62*1, A110*2 or A104*3 headlight assembly LH connector.

*1: for Triple Beam Headlight, SFTM Made

*2: for Triple Beam Headlight, GTMC Made

*3: for Single Beam Headlight



c.

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

Standard Resistance:
for Triple Beam Headlight, SFTM Made
Tester Connection Condition Specified Condition
3 (H-LP LH relay) - A62-1 (LO) Always Below 1 Ω
3 (H-LP LH relay) or A62-1 (LO) - Body ground Always 10 kΩ or higher

for Triple Beam Headlight, GTMC Made
Tester Connection Condition Specified Condition
3 (H-LP LH relay) - A110-1 (LO) Always Below 1 Ω
3 (H-LP LH relay) or A110-1 (LO) - Body ground Always 10 kΩ or higher

for Single Beam Headlight
Tester Connection Condition Specified Condition
3 (H-LP LH relay) - A104-1 (LO) Always Below 1 Ω
3 (H-LP LH relay) or A104-1 (LO) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

6.CHECK HARNESS AND CONNECTOR (H-LP LH RELAY - BATTERY)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

6.CHECK HARNESS AND CONNECTOR (H-LP LH RELAY - BATTERY)
a.

Remove the H-LP LH relay.


b.
B340809C08
0.115,0.083 0.427,0.281 0.313,0.198 10 false *a
*a Front view of wire harness connector
(to H-LP LH Relay)


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

Standard Voltage:
Tester Connection Switch Condition Specified Condition
2 (H-LP LH relay) - Body ground Ignition switch off 11 to 14 V
5 (H-LP LH relay) - Body ground Ignition switch off 11 to 14 V



Result:
Proceed to
OK
NG



OK

7.CHECK HARNESS AND CONNECTOR (H-LP LH RELAY - POWER DISTRIBUTION BOX ASSEMBLY)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

7.CHECK HARNESS AND CONNECTOR (H-LP LH RELAY - POWER DISTRIBUTION BOX ASSEMBLY)
a.

Remove the H-LP LH relay.


b.

Disconnect the 6E 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
1 (H-LP LH relay) - 6E-6 Always Below 1 Ω
1 (H-LP LH relay) or 6E-6 - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

8.CHECK POWER DISTRIBUTION BOX ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

8.CHECK POWER DISTRIBUTION BOX ASSEMBLY
a.

Remove the power distribution box assembly.

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

E443881C32
1.438,0.073 1.854,0.333 0.417,0.26 5.313,0.302 5.729,0.563 0.417,0.26 4.396,1.302 4.552,1.302 4.552,1.302 4.792,0.927 true 0.104,0.083 0.417,0.281 0.313,0.198 10 false *a 1.573,0.125 1.885,0.323 0.313,0.198 10 false 6E 5.448,0.354 5.76,0.552 0.313,0.198 10 false A 4,1.198 4.615,1.396 0.615,0.198 10 false HRLY
*a Component without harness connected
(Power Distribution Box Assembly) 		- -



b.

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

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


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
6E-6 - A-8 (HRLY) 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


9.CHECK HEADLIGHT ASSEMBLY RH (LO TERMINAL VOLTAGE)
a.
E421878C37
1.438,0.323 1.885,0.563 0.448,0.24 1.417,2.604 1.865,2.844 0.448,0.24 1.417,2.302 1.865,2.542 0.448,0.24 0.719,1.063 1.385,1.271 true 0.729,3.115 1.385,3.563 true 0.083,0.125 0.396,0.323 0.313,0.198 10 false *a 1.958,0.365 2.271,0.563 0.313,0.198 10 false *A 1.542,0.354 1.938,0.552 0.396,0.198 10 false A61 1.479,2.646 1.875,2.844 0.396,0.198 10 false A103 1.917,2.656 2.229,2.854 0.313,0.198 10 false *C 0.49,0.969 0.802,1.167 0.313,0.198 10 false LO 0.5,3.021 0.813,3.219 0.313,0.198 10 false LO 1.479,2.354 1.875,2.552 0.396,0.198 10 false A109 1.938,2.344 2.25,2.542 0.313,0.198 10 false *B
*A for Triple Beam Headlight, SFTM Made
*B for Triple Beam Headlight, GTMC Made
*C for Single Beam Headlight
*a Front view of wire harness connector
(to Headlight Assembly RH)


Disconnect the headlight assembly RH connector.


b.

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

Standard Voltage:
for Triple Beam Headlight, SFTM Made
Tester Connection Condition Specified Condition
A61-1 (LO) - Body ground Light control switch in HEAD position 11 to 14 V

for Triple Beam Headlight, GTMC Made
Tester Connection Switch Condition Specified Condition
A109-1 (LO) - Body ground Light control switch in HEAD position 11 to 14 V

for Single Beam Headlight
Tester Connection Switch Condition Specified Condition
A103-1 (LO) - Body ground Light control switch in HEAD position 11 to 14 V



Result:
Proceed to
OK
NG



OK

10.CHECK HARNESS AND CONNECTOR (HEADLIGHT ASSEMBLY RH - BODY GROUND)

NG

11.INSPECT H-LP RH RELAY
10.CHECK HARNESS AND CONNECTOR (HEADLIGHT ASSEMBLY RH - BODY GROUND)
a.
E421878C39
1.438,0.323 1.885,0.563 0.448,0.24 1.417,2.604 1.865,2.844 0.448,0.24 1.417,2.323 1.865,2.563 0.448,0.24 1.01,0.771 1.677,1.271 true 0.656,3.146 1.542,3.531 true 0.729,4.25 1.375,3.729 true 1.792,3.542 2.427,3.094 true 0.083,0.125 0.396,0.323 0.313,0.198 10 false *a 1.958,0.365 2.271,0.563 0.313,0.198 10 false *A 1.542,0.354 1.938,0.552 0.396,0.198 10 false A61 1.49,2.646 1.885,2.844 0.396,0.198 10 false A103 1.917,2.656 2.688,2.979 0.771,0.323 10 false *C, *D 0.76,0.688 1.073,0.885 0.313,0.198 10 false E 0.219,3.021 0.823,3.375 0.604,0.354 10 false E (*D) 1.49,2.365 1.885,2.563 0.396,0.198 10 false A109 1.917,2.375 2.229,2.573 0.313,0.198 10 false *B 2.531,3.01 2.979,3.313 0.448,0.302 10 false E (*B) 0.302,4.177 0.75,4.479 0.448,0.302 10 false E (*C)
*A for Triple Beam Headlight, SFTM Made
*B for Triple Beam Headlight, GTMC Made
*C for Single Beam Headlight, SFTM Made
*D for Single Beam Headlight, GTMC Made
*a Front view of wire harness connector
(to Headlight Assembly RH)


Disconnect the headlight assembly RH connector.


b.

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

Standard Resistance:
for Triple Beam Headlight, SFTM Made
Tester Connection Condition Specified Condition
A61-2 (E) - Body ground Always Below 1 Ω

for Triple Beam Headlight, GTMC Made
Tester Connection Condition Specified Condition
A109-3 (E) - Body ground Always Below 1 Ω

for Single Beam Headlight, SFTM Made
Tester Connection Condition Specified Condition
A103-5 (E) - Body ground Always Below 1 Ω

for Single Beam Headlight, GTMC Made
Tester Connection Condition Specified Condition
A103-2 (E) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

REPLACE HEADLIGHT ASSEMBLY RH

for Triple Beam Headlight:

Click hereVehicle Exterior>LIGHTING (EXT)>HEADLIGHT ASSEMBLY (for Triple Beam Headlight)>DISASSEMBLY

for Single Beam Headlight:

Click hereVehicle Exterior>LIGHTING (EXT)>HEADLIGHT ASSEMBLY (for Single Beam Headlight)>DISASSEMBLY


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

11.INSPECT H-LP RH RELAY

Click hereVehicle Exterior>LIGHTING (EXT)>RELAY>ON-VEHICLE INSPECTION

Result:
Proceed to
OK
NG



OK

12.CHECK HARNESS AND CONNECTOR (H-LP RH RELAY - HEADLIGHT ASSEMBLY RH)

NG

REPLACE H-LP RH RELAY

12.CHECK HARNESS AND CONNECTOR (H-LP RH RELAY - HEADLIGHT ASSEMBLY RH)
a.

Remove the H-LP RH relay.


b.

Disconnect the A61*1, A109*2 or A103*3 headlight assembly RH connector.

*1: for Triple Beam Headlight, SFTM Made

*2: for Triple Beam Headlight, GTMC Made

*3: for Single Beam Headlight



c.

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

Standard Resistance:
for Triple Beam Headlight, SFTM Made
Tester Connection Condition Specified Condition
3 (H-LP RH relay) - A61-1 (LO) Always Below 1 Ω
3 (H-LP RH relay) or A61-1 (LO) - Body ground Always 10 kΩ or higher

for Triple Beam Headlight, GTMC Made
Tester Connection Condition Specified Condition
3 (H-LP RH relay) - A109-1 (LO) Always Below 1 Ω
3 (H-LP RH relay) or A109-1 (LO) - Body ground Always 10 kΩ or higher

for Single Beam Headlight
Tester Connection Condition Specified Condition
3 (H-LP RH relay) - A103-1 (LO) Always Below 1 Ω
3 (H-LP RH relay) or A103-1 (LO) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

13.CHECK HARNESS AND CONNECTOR (H-LP RH RELAY - BATTERY)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

13.CHECK HARNESS AND CONNECTOR (H-LP RH RELAY - BATTERY)
a.

Remove the H-LP RH relay.


b.
B340809C08
0.115,0.083 0.427,0.281 0.313,0.198 10 false *a
*a Front view of wire harness connector
(to H-LP RH Relay)


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

Standard Voltage:
Tester Connection Switch Condition Specified Condition
2 (H-LP RH relay) - Body ground Ignition switch off 11 to 14 V
5 (H-LP RH relay) - Body ground Ignition switch off 11 to 14 V



Result:
Proceed to
OK
NG



OK

14.CHECK HARNESS AND CONNECTOR (H-LP RH RELAY - POWER DISTRIBUTION BOX ASSEMBLY)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

14.CHECK HARNESS AND CONNECTOR (H-LP RH RELAY - POWER DISTRIBUTION BOX ASSEMBLY)
a.

Remove the H-LP RH relay.


b.

Disconnect the 6E 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
1 (H-LP RH relay) - 6E-10 Always Below 1 Ω
1 (H-LP RH relay) or 6E-10 - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

15.CHECK POWER DISTRIBUTION BOX ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

15.CHECK POWER DISTRIBUTION BOX ASSEMBLY
a.

Remove the power distribution box assembly.

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

E443881C33
1.438,0.073 1.854,0.333 0.417,0.26 5.313,0.302 5.729,0.563 0.417,0.26 4.51,1.302 4.667,1.302 4.667,1.302 4.906,0.927 true 0.104,0.083 0.417,0.281 0.313,0.198 10 false *a 1.573,0.125 1.885,0.323 0.313,0.198 10 false 6E 5.448,0.354 5.76,0.552 0.313,0.198 10 false A 4.094,1.188 4.708,1.385 0.615,0.198 10 false HRY2
*a Component without harness connected
(Power Distribution Box Assembly) 		- -



b.

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

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


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
6E-10 - A-9 (HRY2) 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