CHECK SYMPTOM
Check symptom (A or B).
A |
All the following lamps do not turn ON:
|
B | Interior room lamp battery saver does not activate. |
A>>
GO TO 2.
B>>GO TO 7.
CHECK FUSE
Ignition switch OFF.
Check that the following fuse is not blown (open).
Location | Fuse No. | Capacity |
---|---|---|
Fuse block (J/B) | 24 | 10 A |
Is the fuse blown (open)?
YES>>Replace the blown (open) fuse after repairing the cause of blown (open).
NO>>GO TO 3.
CHECK INTERIOR ROOM LAMP RELAY CONTROL CIRCUIT 1
Disconnect interior room lamp relay connector.
Check voltage between interior room lamp relay harness connector and ground.
(+) | (-) |
Voltage (Approx.) | |
---|---|---|---|
Interior room lamp relay | |||
Connector | Terminal | ||
J-2 | 1 | Ground | Battery voltage |
3 |
Is the inspection result normal?
YES>>GO TO 4.
NO>>Replace fuse block (J/B).
CHECK INTERIOR ROOM LAMP RELAY CONTROL CIRCUIT 2
Connect interior room lamp relay connector.
Disconnect BCM connector.
Check voltage between BCM harness connector and ground.
(+) | (-) |
Voltage (Approx.) | |
---|---|---|---|
BCM | |||
Connector | Terminal | ||
M18 | 37 | Ground | Battery voltage |
Is the inspection result normal?
YES>>Replace BCM. Refer to Removal and Installation.
NO>>GO TO 5.
CHECK INTERIOR ROOM LAMP RELAY CONTROL CIRCUIT 3
Disconnect interior room lamp relay connector.
Check continuity between BCM harness connector and interior room lamp relay harness connector.
BCM | Interior room lamp relay | Continuity | ||
---|---|---|---|---|
Connector | Terminal | Connector | Terminal | |
M18 | 37 | J-2 | 2 | Yes |
Is the inspection result normal?
YES>>GO TO 6.
NO>>Repair or replace harness.
CHECK INTERIOR ROOM LAMP RELAY 1
Check interior room lamp relay. Refer to Component Inspection.
Is the inspection result normal?
YES>>Replace fuse block (J/B).
NO>>Replace interior room lamp relay.
CHECK INTERIOR ROOM LAMP RELAY 2
Check interior room lamp relay. Refer to Component Inspection.
Is the inspection result normal?
YES>>GO TO 8.
NO>>Replace interior room lamp relay.
CHECK INTERIOR ROOM LAMP RELAY CONTROL CIRCUIT 4
Disconnect BCM connector and interior room lamp relay connector.
Check continuity between BCM harness connector and ground.
BCM | (-) | Continuity | |
---|---|---|---|
Connector | Terminal | ||
M18 | 37 | Ground | No |
Is the inspection result normal?
YES>>GO TO 9.
NO>>Repair or replace harnesses.
CHECK INTERIOR ROOM LAMP RELAY POWER SUPPLY CIRCUIT
Check voltage between interior room lamp relay harness connector and ground.
(+) | (-) |
Voltage (Approx.) | |
---|---|---|---|
Interior room lamp relay | |||
Connector | Terminal | ||
J-2 | 5 | Ground | 0 V |
Is the inspection result normal?
YES>>Replace BCM. Refer to Removal and Installation.
NO>>Repair or replace harnesses.
CHECK INTERIOR ROOM LAMP RELAY
Ignition switch OFF.
Disconnect interior room lamp relay connector.
Check continuity between interior room lamp relay terminals.
Interior room lamp relay | Condition | Continuity | |
---|---|---|---|
Terminal | |||
![]() |
![]() |
12 V direct current supply between terminals
![]() ![]() |
Yes |
No current supply | No |
Is the inspection result normal?
YES>>Inspection End.
NO>>Replace interior room lamp relay.
CAUTION:
Before performing the diagnosis, check that the following are normal:
Interior room lamp power supply circuit
Each interior room lamp bulb
CHECK INTERIOR ROOM LAMP OPERATION
CONSULT
Switch the map lamp switch to DOOR.
Open the front door LH.
Ignition switch ON.
Select “INT LAMP” in "Active Test" mode of "BCM(INT LAMP)".
With operating the test items, check that interior room lamp turns ON/OFF.
On | : Interior room lamp turns ON |
Off | : Interior room lamp turns OFF |
Does the interior room lamp turn ON/OFF?
YES>>Interior room lamp control circuit is normal.
NO>>Refer to Diagnosis Procedure.
NOTE:
Before performing the diagnosis, check that the interior room lamp bulb is normal.
CHECK INTERIOR ROOM LAMP POWER SUPPLY CIRCUIT
Ignition switch OFF.
Disconnect following connectors:
Interior room lamp relay
Front room/map lamp assembly
Personal lamps 2nd row
Cargo lamp
Check continuity between interior room lamp relay harness connector and each interior room lamp harness connector.
Interior room lamp relay | Each interior room lamp | Continuity | |||
---|---|---|---|---|---|
Connector | Terminal | Connector | Terminal | ||
J-2 | 5 | Front room/map lamp assembly | R107 | 1 | Yes |
Personal lamps 2nd row | R106 | 2 | |||
Cargo lamp | R104 | 2 |
Is the inspection result normal?
YES>>GO TO 2.
NO>>Repair or replace harnesses.
CHECK INTERIOR ROOM LAMP GROUND CIRCUIT
Check continuity between each interior room lamp harness connector and ground.
Each interior room lamp | (-) | Continuity | ||
---|---|---|---|---|
Connector | Terminal | |||
Front room/map lamp assembly | R107 | 2 | Ground | Yes |
Personal lamps 2nd row | R106 | 4 | ||
Cargo lamp | R104 | 1 |
Is the inspection result normal?
YES>>Map lamp: Replace corresponding front room/map lamp assembly bulb. Refer to Bulb or Lens Replacement.
YES>>Personal lamp: Replace corresponding personal lamp bulb. Refer to Bulb or Lens Replacement.
YES>>Cargo lamp: Replace cargo lamp bulb. Refer to Bulb or Lens Replacement.
NO>>Repair or replace harnesses.
CAUTION:
Before performing the diagnosis, check that the following are normal:
Interior room lamp power supply circuit
Interior room lamp control circuit
Front room/map lamp assembly bulb
CHECK MAP LAMP OPERATION
CONSULT
Switch the map lamp switch to DOOR.
Open the front door LH.
Ignition switch ON.
Select “INT LAMP” in "Active Test" mode of "BCM(INT LAMP)".
With operating the test items, check that map lamp turns ON/OFF.
On | : Map lamp turns ON |
Off | : Map lamp turns OFF |
Does the map lamp turn ON/OFF?
YES>>Map lamp control circuit is normal.
NO>>Refer to Diagnosis Procedure.
CHECK MAP LAMP CONTROL SIGNAL CIRCUIT 1
Ignition switch OFF.
Disconnect front room/map lamp assembly connector, personal lamps 2nd row connector and cargo lamp connector.
Ignition switch ON.
Check continuity between BCM harness connector and ground.
BCM | — | Condition | Continuity | ||
---|---|---|---|---|---|
Connector | Terminal | ||||
M81 | 130 | Ground | Front door LH | Open | Yes |
Close | No |
Is the inspection result normal?
YES>>GO TO 2.
NO>>Continuity exists and remains unchanged: GO TO 3.
NO>>Continuity does not exist and remains unchanged: Replace BCM. Refer to Removal and Installation.
CHECK MAP LAMP CONTROL SIGNAL CIRCUIT 2
Ignition switch OFF.
Disconnect BCM connector.
Check continuity between BCM harness connector and front room/map lamp assembly harness connector.
BCM | Front room/map lamp assembly | Continuity | ||
---|---|---|---|---|
Connector | Terminal | Connector | Terminal | |
M81 | 130 | R107 | 4 | Yes |
Is the inspection result normal?
YES>>Replace front room/map lamp assembly. Refer to Removal and Installation.
NO>>Repair or replace harnesses.
CHECK MAP LAMP CONTROL SIGNAL CIRCUIT 3
Ignition switch OFF.
Disconnect BCM connector.
Check continuity between BCM harness connector and ground.
BCM | — | Continuity | |
---|---|---|---|
Connector | Terminal | ||
M81 | 130 | Ground | No |
Is the inspection result normal?
YES>>Replace BCM. Refer to Removal and Installation.
NO>>Repair or replace harnesses.
CAUTION:
Before performing the diagnosis, check that the following are normal:
Interior room lamp power supply circuit
Interior room lamp control circuit
Each personal lamp bulb
CHECK MAP LAMP OPERATION
Switch the map lamp switch to DOOR.
Check that map lamp turns ON when any door is opened (except back door).
Is the inspection normal?
YES>>GO TO 2.
NO>>Check map lamp control circuit. Refer to Component Function Check .
CHECK PERSONAL LAMP OPERATION
CONSULT
Switch the map lamp switch and personal lamp switch to DOOR.
Open the front door LH.
Ignition switch ON.
Select “INT LAMP” in "Active Test" mode of "BCM(INT LAMP)".
With operating the test items, check that personal lamp turns ON/OFF.
On | : Personal lamp turns ON |
Off | : Personal lamp turns OFF |
Does the personal lamp turns ON/OFF?
YES>>Personal lamp control circuit is normal.
NO>>Refer to Diagnosis Procedure.
CHECK PERSONAL LAMP CONTROL CIRCUIT
Ignition switch OFF.
Disconnect front room/map lamp assembly connector and personal lamps 2nd row connector.
Check continuity between front room/map lamp assembly harness connector and personal lamps 2nd row harness connector.
Front room/map lamp assembly | Personal lamps 2nd row | Continuity | ||
---|---|---|---|---|
Connector | Terminal | Connector | Terminal | |
R107 | 8 | R106 | 3 | Yes |
Is the inspection result normal?
YES>>GO TO 2.
NO>>Repair or replace harnesses.
CHECK MAP LAMP CIRCUIT
Check continuity between map lamp assembly terminals.
Front room/map lamp assembly | Condition | Continuity | |
---|---|---|---|
Terminal | |||
4 | 8 | Map lamp switch (DOOR) is "DOOR" position | Yes |
Map lamp switch (DOOR) is "OFF" position | No |
Is the inspection result normal?
YES>>Replace corresponding personal lamp. Refer to Removal and Installation.
NO>>Replace front room/map lamp assembly. Refer to Removal and Installation .
CAUTION:
Before performing the diagnosis, check that the following are normal:
Interior room lamp power supply circuit
Luggage room lamp bulb
CHECK LUGGAGE ROOM LAMP OPERATION
Ignition switch ON.
Check that the luggage room lamp turns on when the back door is open.
Does luggage room lamp turn ON/OFF?
YES>>Luggage room lamp circuit is normal.
NO>>Refer to Diagnosis Procedure.
CHECK LUGGAGE ROOM LAMP POWER SUPPLY CIRCUIT
Ignition switch OFF.
Disconnect interior room lamp relay connector, foot lamp LH connector, foot lamp RH connector and luggage room lamp connector.
Check continuity between interior room lamp relay harness connector and luggage room lamp harness connector.
Interior room lamp relay | Luggage room lamp | Continuity | ||
---|---|---|---|---|
Connector | Terminal | Connector | Terminal | |
J-2 | 5 | D567 | 1 | Yes |
Is the inspection normal?
YES>>GO TO 2.
NO>>Repair or replace harness.
CHECK LUGGAGE ROOM LAMP CONTROL SIGNAL CIRCUIT 1
Ignition switch ON.
Check continuity between BCM harness connector and ground.
BCM | (-) | Condition | Continuity | ||
---|---|---|---|---|---|
Connector | Terminal | ||||
M18 | 30 | Ground | Back door | Open | Yes |
Close | No | ||||
B45 | 147 |
Is the inspection result normal?
YES>>GO TO 3.
NO>>Continuity exists and remains unchanged: GO TO 4.
NO>>Continuity does not exist and remains unchanged: Replace BCM. Refer to Removal and Installation.
CHECK LUGGAGE ROOM LAMP CONTROL SIGNAL CIRCUIT 2
Ignition switch OFF.
Disconnect BCM connector.
Check continuity between BCM harness connector and luggage room lamp harness connector.
BCM | Luggage room lamp | Continuity | ||
---|---|---|---|---|
Connector | Terminal | Connector | Terminal | |
M18 | 30 | D567 | 2 | Yes |
B45 | 147 |
Is the inspection result normal?
YES>>Replace luggage room lamp bulb. Refer to Bulb Replacement.
NO>>Repair or replace harnesses.
CHECK LUGGAGE ROOM LAMP CONTROL SIGNAL CIRCUIT 3
Ignition switch OFF.
Disconnect BCM connector.
Check continuity between BCM harness connector and ground.
BCM | (-) | Continuity | |
---|---|---|---|
Connector | Terminal | ||
M18 | 30 | Ground | No |
B45 | 147 |
Is the inspection result normal?
YES>>Replace BCM. Refer to Removal and Installation.
NO>>Repair or replace harnesses.
CAUTION:
Before performing the diagnosis, check that the following are normal:
Interior room lamp power supply circuit
Each foot lamp bulb
CHECK FOOT LAMP OPERATION
Ignition switch ON.
Check that the foot lamp turns on when any door is opened (except back door).
Does foot lamp turn ON/OFF?
YES>>Foot lamp circuit is normal.
NO>>Refer to Diagnosis Procedure.
CHECK FOOT LAMP POWER SUPPLY CIRCUIT
Ignition switch OFF.
Disconnect interior room lamp relay connector, luggage room lamp connector, foot lamp LH connector and foot lamp RH connector.
Check continuity between interior room lamp relay harness connector and each foot lamp harness connector.
Interior room lamp relay | Foot lamp | Continuity | |||
---|---|---|---|---|---|
Connector | Terminal | Connector | Terminal | ||
J-2 | 5 | Foot lamp LH | M99 | 1 | Yes |
Foot lamp RH | M100 |
Is the inspection normal?
YES>>GO TO 2.
NO>>Repair or replace harness.
CHECK FOOT LAMP CONTROL SIGNAL CIRCUIT 1
Ignition switch ON.
Check continuity between BCM harness connector and ground.
BCM | (-) | Condition | Continuity | ||
---|---|---|---|---|---|
Connector | Terminal | ||||
M18 | 30 | Ground | Front door LH | Open | Yes |
Close | No | ||||
B45 | 147 |
Is the inspection result normal?
YES>>GO TO 3.
NO>>Continuity exists and remains unchanged: GO TO 4.
NO>>Continuity does not exist and remains unchanged: Replace BCM. Refer to Removal and Installation.
CHECK FOOT LAMP CONTROL SIGNAL CIRCUIT 2
Ignition switch OFF.
Disconnect BCM connector.
Check continuity between BCM harness connector and each foot lamp harness connector.
BCM | Foot lamp LH | Continuity | ||
---|---|---|---|---|
Connector | Terminal | Connector | Terminal | |
M18 | 30 | M99 | 2 | Yes |
B45 | 147 |
BCM | Foot lamp RH | Continuity | ||
---|---|---|---|---|
Connector | Terminal | Connector | Terminal | |
M18 | 30 | M100 | 2 | Yes |
B45 | 147 |
Is the inspection result normal?
YES>>Replace corresponding foot lamp bulb. Refer to Bulb Replacement (foot lamp LH) or Bulb Replacement (foot lamp RH).
NO>>Repair or replace harnesses.
CHECK FOOT LAMP CONTROL SIGNAL CIRCUIT 3
Ignition switch OFF.
Disconnect BCM connector.
Check continuity between BCM harness connector and ground.
BCM | (-) | Continuity | |
---|---|---|---|
Connector | Terminal | ||
M18 | 30 | Ground | No |
B45 | 147 |
Is the inspection result normal?
YES>>Replace BCM. Refer to Removal and Installation.
NO>>Repair or replace harnesses.
CAUTION:
Before performing the diagnosis, check that the following are normal:
Interior room lamp power supply circuit
CHECK VANITY MIRROR LAMP POWER SUPPLY CIRCUIT 1
Ignition switch OFF.
Disconnect interior room lamp relay connector and sunvisor (vanity mirror lamp switch) connector.
Check continuity between interior room lamp relay harness connector and each sunvisor (vanity mirror lamp switch) harness connector.
Interior room lamp relay | Sunvisor (vanity mirror lamp switch) | Continuity | |||
---|---|---|---|---|---|
Connector | Terminal | Connector | Terminal | ||
J-2 | 5 | RH | R130 | 1 | Yes |
LH | R129 |
Is the inspection result normal?
YES>>GO TO 2.
NO>>Repair or replace harnesses.
CHECK VANITY MIRROR LAMP POWER SUPPLY CIRCUIT 2
Disconnect vanity mirror lamp connector.
Check continuity between each sunvisor (vanity mirror lamp switch) harness connector and each vanity mirror lamp harness connector.
Sunvisor (vanity mirror lamp switch) | Vanity mirror lamp | Continuity | |||
---|---|---|---|---|---|
Connector | Terminal | Connector | Terminal | ||
RH | R130 | 2 | R102 | 2 | Yes |
LH | R129 | R103 |
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair or replace harness.
CHECK VANITY MIRROR LAMP SWITCH
Check vanity mirror lamp switch. Refer to Component Inspection.
YES>>
GO TO 4.
NO>>Replace corresponding sun visor (vanity mirror lamp switch). Refer to Removal and Installation.
CHECK VANITY MIRROR LAMP GROUND CIRCUIT
Check continuity between vanity mirror lamp harness connector and ground.
Vanity mirror lamp | (-) | Continuity | ||
---|---|---|---|---|
Connector | Terminal | |||
RH | R102 | 3 | Ground | Yes |
LH | R103 |
Is the inspection result normal?
YES>>Replace corresponding vanity mirror lamp. Refer to Removal and Installation.
NO>>Repair or replace harnesses.
CHECK VANITY MIRROR LAMP SWITCH
Ignition switch OFF.
Disconnect sunvisor (vanity mirror lamp switch) connector.
Check continuity between sunvisor (vanity mirror lamp switch) terminals.
Sunvisor (vanity mirror lamp switch) | Condition | Continuity | |
---|---|---|---|
Terminal | |||
1 | 2 | Sunvisor OPEN (vanity mirror lamp switch ON) | Yes |
Sunvisor CLOSE (vanity mirror lamp switch OFF) | No |
Is the inspection result normal?
YES>>Inspection End.
NO>>Replace corresponding sunvisor (vanity mirror lamp switch). Refer to Exploded View.
CAUTION:
Before performing the diagnosis, check that the following are normal:
Interior room lamp power supply circuit
CHECK MOOD LAMP OPERATION
CONSULT
Open the front door LH.
Ignition switch ON.
Select “INT LAMP” in "Active Test" mode of "BCM(INT LAMP)".
With operating the test items, check that mood lamp turns ON/OFF.
On | : Mood lamp turns ON |
Off | : Mood lamp turns OFF |
Does the mood lamp turns ON/OFF?
YES>>Mood lamp circuit is normal.
NO>>Refer to Diagnosis Procedure.
CHECK MOOD LAMP POWER SUPPLY CIRCUIT
Ignition switch OFF.
Disconnect interior room lamp relay connector and mood lamp connector.
Check continuity between interior room lamp relay harness connector and each mood lamp harness connector.
Interior room lamp relay | Mood lamp | Continuity | |||
---|---|---|---|---|---|
Connector | Terminal | Connector | Terminal | ||
J-2 | 5 | Mood lamp (front door RH) | D139 | 2 | Yes |
Mood lamp (front door LH) | D39 | ||||
Mood lamp (rear door RH) | D318 | ||||
Mood lamp (rear door LH) | D219 | ||||
Mood lamp (instrument panel RH) | M196 | ||||
Mood lamp (instrument panel LH) | M190 | ||||
Mood lamp (center console tray RH) | M199 | ||||
Mood lamp (center console tray LH) | M198 | ||||
Mood lamp (center console) | M14 | 1 |
Is the inspection normal?
YES>>GO TO 2.
NO>>Repair or replace harness.
CHECK MOOD LAMP CONTROL SIGNAL CIRCUIT 1
Ignition switch ON.
Check continuity between BCM harness connector and ground.
BCM | (-) | Condition | Continuity | ||
---|---|---|---|---|---|
Connector | Terminal | ||||
B45 | 150 | Ground | Front door LH | Open | Yes |
Close | No |
Is the inspection result normal?
YES>>GO TO 3.
NO>>Continuity exists and remains unchanged: GO TO 4.
NO>>Continuity does not exist and remains unchanged: Replace BCM. Refer to Removal and Installation.
CHECK MOOD LAMP CONTROL SIGNAL CIRCUIT 2
Ignition switch OFF.
Disconnect BCM connector.
Check continuity between BCM harness connector and each mood lamp harness connector.
BCM | Mood lamp | Continuity | |||
---|---|---|---|---|---|
Connector | Terminal | Connector | Terminal | ||
B45 | 150 | Mood lamp (front door RH) | D139 | 3 | Yes |
Mood lamp (front door LH) | D39 | ||||
Mood lamp (rear door RH) | D318 | ||||
Mood lamp (rear door LH) | D219 | ||||
Mood lamp (instrument panel RH) | M196 | ||||
Mood lamp (instrument panel LH) | M190 | ||||
Mood lamp (center console tray RH) | M199 | ||||
Mood lamp (center console tray LH) | M198 | ||||
Mood lamp (center console) | M14 | 2 |
Is the inspection result normal?
YES>>Mood lamp (front door): Replace corresponding mood lamp (front door). Refer to Removal and Installation.
YES>>Mood lamp (rear door): Replace corresponding mood lamp (rear door). Refer to Removal and Installation.
YES>>Mood lamp (instrument panel): Replace corresponding mood lamp (instrument panel). Refer to Exploded View.
YES>>Mood lamp (center console tray): Replace corresponding mood lamp (center console tray). Refer to Removal and Installation.
YES>>Mood lamp (center console): Replace mood lamp (center console). Refer to Removal and Installation.
NO>>Repair or replace harnesses.
CHECK MOOD LAMP CONTROL SIGNAL CIRCUIT 3
Ignition switch OFF.
Disconnect BCM connector.
Check continuity between BCM harness connector and ground.
BCM | (-) | Continuity | |
---|---|---|---|
Connector | Terminal | ||
B45 | 150 | Ground | No |
Is the inspection result normal?
YES>>Replace BCM. Refer to Removal and Installation.
NO>>Repair or replace harnesses.
CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION POWER SUPPLY 1
Ignition switch OFF.
Disconnect Intelligent Key unit connector and push-button ignition switch connector.
Check continuity between BCM harness connector and ground.
Intelligent Key unit | — | Continuity | |
---|---|---|---|
Connector | Terminal | ||
M38 | 10 | Ground | No |
Is the inspection result normal?
YES>>GO TO 2.
NO>>Repair or replace harnesses.
CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION POWER SUPPLY 2
Connect Intelligent Key unit connector and push-button ignition switch connector.
Ignition switch ON.
Check voltage between Intelligent Key unit harness connector and the ground.
(+) | (–) | Condition |
Voltage (Approx.) | ||
---|---|---|---|---|---|
Intelligent Key unit | |||||
Connector | Terminal | ||||
M38 | 10 | Ground | Push-button ignition switch illumination | ON | Battery voltage |
OFF | 0 V |
Is the inspection result normal?
YES>>GO TO 3.
NO>>Replace Intelligent Key unit. Refer to Removal and Installation.
CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION CIRCUIT
Ignition switch OFF.
Disconnect Intelligent Key unit connector and push-button ignition switch connector.
Check continuity between Intelligent Key unit harness connector and push-button ignition switch harness connector.
Intelligent Key unit | Push-button ignition switch | Continuity | ||
---|---|---|---|---|
Connector | Terminal | Connector | Terminal | |
M38 | 10 | M17 | 5 | Yes |
Is the inspection result normal?
YES>>GO TO 4.
NO>>Repair or replace harnesses.
CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION GROUND CIRCUIT
Check continuity between push-button ignition switch harness connector and ground.
Push-button ignition switch | — | Continuity | |
---|---|---|---|
Connector | Terminal | ||
M17 | 6 | Ground | Yes |
Is the inspection result normal?
YES>>Replace push-button ignition switch. Refer to Removal and Installation.
NO>>Repair or replace harnesses.
Nissan Pathfinder Info Center
Email: info@nipathfinder.com
Phone: +1 (800) 123-4567
Address: 123 Pathfinder Blvd, Nashville, TN 37214, USA
Working Hours: Mon–Fri, 9:00 AM – 5:00 PM (EST)