Nissan Frontier. Manual - part 938

INTERIOR ROOM LAMP

INL-79

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT POWER DOOR LOCKS]

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Check continuity between door switch connectors and ground.

Is the inspection result normal?

YES

>> Repair the harness or connectors between the interior

room lamp and the door switches.

NO

>> Repair the harness or connectors between the door

switch and ground.

Component Inspection (Door Switch)

INFOID:0000000009480175

CREW CAB

1.

CHECK DOOR SWITCHES

1. Disconnect door switch.

2. Check continuity between door switch terminal 1 and ground.

Is the inspection result normal?

YES

>> Inspection End

NO

>> Replace door switch.

KING CAB

1.

CHECK DOOR SWITCHES

1. Disconnect door switch.

2. Check continuity between door switch terminals 1 and 3.

Is the inspection result normal?

YES

>> Inspection End

NO

>> Replace door switch.

Component

(+)

(-)

Continuity

Connector

Terminal

Front door switch LH 

D213

3

Ground

Yes

Front door switch RH 

D314

3

AWLIA0866ZZ

Terminal

Condition

Continuity

Door switch

1 – Ground

Open

Yes

Closed

No

AWLIA0864ZZ

Item

Terminal

Condition

Continuity

Door switches 

1 – 3 

Open

Yes

Closed

No

AWLIA0865ZZ

INL-80

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT POWER DOOR LOCKS]

CARGO LAMP CONTROL CIRCUIT

CARGO LAMP CONTROL CIRCUIT

Description

INFOID:0000000009480176

Controls the cargo lamp relay coil (ground side) to turn the cargo lamp ON and OFF.

Diagnosis Procedure

INFOID:0000000009480177

Regarding Wiring Diagram information, refer to 

INL-95, "Wiring Diagram - Without Power Door Lock System"

.

CAUTION:

 Before performing the diagnosis, check that the following is normal.

• Fuse

• Cargo lamp bulb

1.

CHECK CARGO LAMP OPERATION

Check the cargo lamp operation from the cargo lamp switch, the door switches, and a keyfob (if equipped).
Is the cargo lamp operative from all of the above switches and the keyfob (if equipped)?

YES

>> At this time, the cargo lamp operates normally.

NO

>> • Inoperative from all the above switches and the keyfob, GO TO 6

• Inoperative from cargo lamp switch only, GO TO 2

• Inoperative from door switches only, refer to 

DLK-27, "KING CAB : Description"

 (king cab), 

DLK-

29, "CREW CAB : Description"

 (crew cab).

• Inoperative from keyfob only, refer to 

DLK-51, "Description"

.

• Fixed ON, GO TO 2

2.

CHECK CARGO LAMP SWITCH

Check the cargo lamp switch. Refer to 

INL-82, "Component Inspection"

.

Is the inspection result normal?

YES

>> • For inoperative from cargo lamp switch only, GO TO 3

• For fixed ON, GO TO 5

NO

>> Replace the cargo lamp switch.

3.

CHECK CARGO LAMP SWITCH CIRCUIT OPEN

1. Disconnect BCM connector M18 and cargo lamp switch connector.

2. Check continuity between BCM connector M18 terminal 31 and cargo lamp switch connector M71 termi-

nal 1.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Repair harness or connectors.

4.

CHECK CARGO LAMP SWITCH GROUND CIRCUIT

1. Check continuity between cargo lamp switch connector M71 terminal 3 and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-49, "Removal and Installation"

.

NO

>> Repair harness or connectors.

BCM

Cargo lamp switch

Continuity

Connector

Terminal

Connector

Terminal

M18

31

M71

1

Yes

Connector

Terminal

—

Continuity

M71

3

Ground

Yes

CARGO LAMP CONTROL CIRCUIT

INL-81

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT POWER DOOR LOCKS]

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5.

CHECK CARGO LAMP SWITCH CIRCUIT SHORT

1. Disconnect BCM connector M18 and cargo lamp switch connector.

2. Check continuity between BCM connector M18 terminal 31 and ground.

Is the inspection result normal?

YES

>> GO TO 6

NO

>> Repair harness or connectors.

6.

CHECK CARGO LAMP RELAY

Check the cargo lamp relay. Refer to 

INL-82, "Component Inspection"

.

Is the inspection result normal?

YES

>> • For fixed OFF, GO TO 7

• For fixed ON, GO TO 13

NO

>> Replace the cargo lamp relay.

7.

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 8

NO

>> GO TO 11

8.

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

>> GO TO 9

NO

>> GO TO 10

9.

CHECK CARGO LAMP GROUND CIRCUIT

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

terminal 2.

Is the inspection result normal?

YES

>> Replace cargo lamp.

NO

>> Repair harness or connectors.

10.

CHECK CARGO LAMP RELAY VOLTAGE PART 1

Connector

Terminal

—

Continuity

M18

31

Ground

No

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

Connector

Terminal

(+)

Terminal

(-)

Cargo lamp 

switch

Voltage

B161

3

2

ON

Battery voltage

INL-82

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT POWER DOOR LOCKS]

CARGO LAMP CONTROL CIRCUIT

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.

11.

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 12

NO

>> Repair harness or connectors.

12.

CHECK CARGO LAMP RELAY CONTROL CIRCUIT OPEN

1. Disconnect BCM connector M19 and cargo lamp relay.

2. Check continuity between BCM connector M19 terminal 50 and cargo lamp relay connector M165 termi-

nal 1.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-49, "Removal and Installation"

.

NO

>> Repair harness or connectors.

13.

CHECK CARGO LAMP RELAY CONTROL CIRCUIT SHORT

1. Disconnect BCM connector M19 and cargo lamp relay.

2. Check continuity between BCM connector M19 terminal 50 and ground.

Is the inspection result normal?

YES

>> Replace BCM after making sure the cargo lamp power supply circuit is not shorted to voltage.

Refer to 

BCS-49, "Removal and Installation"

.

NO

>> Repair harness or connectors.

Component Inspection

INFOID:0000000009480178

CARGO LAMP SWITCH

1.

CHECK CARGO LAMP SWITCH

Cargo lamp relay

Ground

Voltage

Connector

Terminal

M165

5

Battery voltage

AWLIA0810ZZ

Cargo lamp relay

Ground

Voltage

Connector

Terminal

M165

2

Battery voltage

AWLIA0812ZZ

BCM

Cargo lamp relay

Continuity

Connector

Terminal

Connector

Terminal

M19

50

M165

1

Yes

Connector

Terminal

—

Continuity

M19

50

Ground

No