Nissan Sentra. Manual — part 473
FRONT FOG LAMP CIRCUIT
EXL-95
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
NO
>> GO TO 3.
3.
CHECK FRONT FOG LAMP OPEN CIRCUIT
1. Turn the ignition switch OFF.
2. Disconnect IPDM E/R connector.
3. Check continuity between the IPDM E/R harness connector and the front fog lamp harness connector.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-30, "Removal and Installation"
(with Intelligent Key system) or
PCS-58, "Removal and Installation"
(without Intelligent Key system).
NO
>> Repair or replace the harness or connector.
4.
CHECK FRONT FOG LAMP GROUND CIRCUIT
1. Turn the ignition switch OFF.
2. Check continuity between the front fog lamp harness connector terminal 2 and ground.
Is the inspection result normal?
YES
>> Inspect the fog lamp bulb.
NO
>> Repair or replace the harness or connector.
IPDM E/R
Front fog lamp
Continuity
Connector
Terminal
Connector
Terminal
RH
E47
53
E28
1
Yes
LH
54
E27
Connector
Terminal
—
Continuity
RH
E28
2
Ground
Yes
LH
E27
EXL-96
< DTC/CIRCUIT DIAGNOSIS >
PARKING LAMP CIRCUIT
PARKING LAMP CIRCUIT
Description
INFOID:0000000009757519
The IPDM E/R (intelligent power distribution module engine room) controls the tail lamp relay based on inputs
from the BCM over the CAN communication lines. When the tail lamp relay is energized, power flows through
fuse 36, located in the IPDM E/R. Power then flows to the front and rear combination lamps, license plate
lamps.
Component Function Check
INFOID:0000000009757520
1.
CHECK PARKING LAMP OPERATION
WITHOUT CONSULT
1. Activate IPDM E/R auto active test. Refer to
EXL-24, "Diagnosis Description"
(with Intelligent Key system)
EXL-28, "Diagnosis Description"
(without Intelligent Key system).
2. Check that the parking lamp is turned ON.
WITH CONSULT
1. Select EXTERNAL LAMP of IPDM E/R active test item.
2. While operating the test items, check that the parking lamp is turned ON.
Is the inspection result normal?
YES
>> Parking lamp circuit is normal.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000009757521
Regarding Wiring Diagram information, refer to
1.
CHECK PARKING LAMP FUSES
1. Turn the ignition switch OFF.
2. Check that the following fuses are not blown.
Is the fuse blown?
YES
>> Replace the blown fuse after repairing the affected circuit.
NO
>> GO TO 2.
2.
CHECK TAIL LAMP RELAY OUTPUT (VOLTAGE)
1. Disconnect the front or rear combination lamp connector or license plate lamp connector in question.
2. Turn the ignition switch ON.
3. Turn the parking lamps ON.
4. With the parking lamps ON, check voltage between the front combination lamp front (parking) connector
and ground.
TAIL
: Parking lamp ON
OFF
: Parking lamp OFF
Unit
Location
Fuse No.
Capacity
Parking lamps
IPDM E/R
36
10A
(+)
(
−)
Voltage
(Approx.)
Connector
Terminal
LH
E21
3
Ground
Battery voltage
RH
E20
PARKING LAMP CIRCUIT
EXL-97
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
5. With the parking lamps ON, check voltage between the front combination lamp (side marker) connector
and ground.
6. With the parking lamps ON, check voltage between the rear combination lamp connector and ground.
7. With the parking lamps ON, check voltage between the license plate lamp connector and ground.
Are the inspection results normal?
YES
>> GO TO 4.
NO
>> GO TO 3.
3.
CHECK PARKING LAMP CIRCUIT (OPEN)
1. Turn the ignition switch OFF.
2. Disconnect IPDM E/R connector.
3. Check continuity between the IPDM E/R harness connector and the front combination lamp (parking) har-
ness connector.
4. Check continuity between the IPDM E/R harness connector and the front combination lamp (side marker)
harness connector.
5. Check continuity between the IPDM E/R harness connector and the rear combination lamp harness con-
nector.
(+)
(
−)
Voltage
(Approx.)
Connector
Terminal
LH
E21
8
Ground
Battery voltage
RH
E20
(+)
(
−)
Voltage
(Approx.)
Connector
Terminal
LH
B25
1
Ground
Battery voltage
RH
B42
(+)
(
−)
Voltage
(Approx.)
Connector
Terminal
LH
B74
1
Ground
Battery voltage
RH
B75
IPDM E/R
Front combination lamp (parking)
Continuity
Connector
Terminal
Connector
Terminal
LH
E45
27
E21
3
Yes
RH
E20
IPDM E/R
Front combination lamp (side marker)
Continuity
Connector
Terminal
Connector
Terminal
LH
E45
27
E21
8
Yes
RH
E20
IPDM E/R
Rear combination lamp
Continuity
Connector
Terminal
Connector
Terminal
EXL-98
< DTC/CIRCUIT DIAGNOSIS >
PARKING LAMP CIRCUIT
6. Check continuity between the IPDM E/R harness connector and license plate lamp connector.
Are the inspection results normal?
YES
>> Replace IPDM E/R. Refer to
PCS-30, "Removal and Installation"
(with Intelligent Key system) or
PCS-58, "Removal and Installation"
(without Intelligent Key system).
NO
>> Repair or replace the harness or connector.
4.
CHECK PARKING LAMP GROUND CIRCUITS
1. Check continuity between the front combination lamp (parking) harness connector and ground.
2. Check continuity between the front combination lamp (side marker) harness connector and ground.
3. Check continuity between the rear combination lamp harness connector and ground.
4. Check continuity between the license plate lamp harness connector and ground.
Are the inspection results normal?
YES
>> Inspect the parking lamp bulb.
NO
>> Repair or replace the harness or connector.
LH
E45
28
B25
1
Yes
RH
B42
IPDM E/R
License plate lamp
Continuity
Connector
Terminal
Connector
Terminal
LH
E45
28
B74
1
Yes
RH
B75
(+)
(
−)
Continuity
Connector
Terminal
LH
E21
7
Ground
Yes
RH
E20
(+)
(
−)
Continuity
Connector
Terminal
LH
E21
7
Ground
Yes
RH
E20
(+)
(
−)
Continuity
Connector
Terminal
LH
B25
6
Ground
Yes
RH
B42
(+)
(
−)
Continuity
Connector
Terminal
LH
B74
2
Ground
Yes
RH
B75
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