Nissan Frontier D40. Manual - part 782

CARGO LAMP CONTROL CIRCUIT

INL-83

< COMPONENT DIAGNOSIS >

[WITHOUT POWER DOOR LOCKS]

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A

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INL

N

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NO

>> Replace the cargo lamp relay.

5.

CHECK CARGO LAMP RELAY CONTROL

While operating the cargo lamp switch, check voltage between BCM
connector M19 terminal 50 and ground.

Is the inspection result normal?

YES

>> GO TO 6

NO

>> GO TO 8

6.

CHECK CARGO LAMP VOLTAGE

1.

Disconnect the cargo lamp connector.

2.

While operating the cargo lamp switch, check voltage between
cargo lamp connector B161 terminal 3 and ground.

Is the inspection result normal?

YES

>> Replace cargo lamp.

NO

>> GO TO 7

7.

CHECK CARGO LAMP RELAY VOLTAGE PART 1

Check voltage between cargo lamp relay connector M165 terminal 5
and ground.

Is the inspection result normal?

YES

>> Repair harness or connectors between cargo lamp relay

and cargo lamp.

NO

>> Repair harness or connector between splice and cargo

lamp relay.

8.

CHECK CARGO LAMP RELAY VOLTAGE PART 2

Check voltage between cargo lamp relay connector M165 terminal 2
and ground.

Is the inspection result normal?

YES

>> GO TO 9

NO

>> Repair harness or connectors.

9.

CHECK CARGO LAMP RELAY CONTROL CIRCUIT

Connector

Terminal

—

Cargo lamp 

switch

Voltage

M19

50

Ground

ON

0V

OFF

Battery voltage

ALLIA0556GB

Connector

Terminal

—

Cargo lamp 

switch

Voltage

B161

3

Ground

ON

Battery voltage

AWLIA0809ZZ

Cargo lamp relay

Ground

Voltage

Connector

Terminal

M165

5

Battery voltage

AWLIA0810ZZ

Cargo lamp relay

Ground

Voltage

Connector

Terminal

M165

2

Battery voltage

AWLIA0812ZZ

INL-84

< COMPONENT DIAGNOSIS >

[WITHOUT POWER DOOR LOCKS]

CARGO LAMP CONTROL CIRCUIT

1.

Disconnect BCM connector M19 and cargo lamp relay connec-
tor.

2.

Check continuity between BCM connector M19 (A) terminal 50
and cargo lamp relay connector M165 (B) terminal 1.

3.

Check continuity between BCM connector M19 terminal 50 and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-54, "Removal and Installation"

.

NO

>> Repair harness or connectors.

Component Inspection

INFOID:0000000005272852

CARGO LAMP SWITCH

1.

CHECK CARGO LAMP SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect cargo lamp switch connector.

3.

Check continuity between cargo lamp switch terminals.

Is the inspection result normal?

YES

>> Inspection End

NO

>> Replace cargo lamp switch.

CARGO LAMP RELAY

1.

CHECK CARGO LAMP RELAY

1.

Turn ignition switch OFF.

2.

Disconnect cargo lamp relay connector.

3.

Supply power to terminal 2 and ground to terminal 1 of the cargo
lamp relay.

4.

Check continuity between cargo lamp relay terminals 3 and 5.

Is the inspection result normal?

YES

>> Inspection End

NO

>> Replace cargo lamp relay.

BCM

Cargo lamp relay

Continuity

Connector

Terminal

Connector

Terminal

M19 (A)

50

M165 (B)

1

Yes

ALLIA0557GB

Connector

Terminal

—

Continuity

M19 (A)

50

Ground

No

Cargo lamp switch

Condition

Continuity

Terminal

1 

−

 3

ON

Yes

OFF

No

AWLIA0804ZZ

Terminal

Condition

Continuity

3

5

Power and ground supplied to terminals 1 and 2

Yes

No power and ground supplied

No

SEF497Y

INTERIOR ROOM LAMP

INL-85

< COMPONENT DIAGNOSIS >

[WITHOUT POWER DOOR LOCKS]

C

D

E

F

G

H

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A

B

INL

N

O

P

INTERIOR ROOM LAMP

Wiring Diagram

INFOID:0000000005272853

ABLWA0603GB

INL-86

< COMPONENT DIAGNOSIS >

[WITHOUT POWER DOOR LOCKS]

INTERIOR ROOM LAMP

ABLWA0604GB