Infiniti QX56 (JA60). Manual — part 502
FRONT FOG LAMP CIRCUIT
EXL-37
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
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/turn lamp harness connector.
Does continuity exist?
YES
>> GO TO 4.
NO
>> Repair the harnesses or connectors.
4.
CHECK FRONT FOG LAMP GROUND CIRCUIT
1. Disconnect the front fog lamp connector.
2. Check continuity between the front fog/turn lamp harness con-
nector terminal and ground.
Does continuity exist?
YES
>> Inspect the fog lamp bulb.
NO
>> Repair the harness.
A
B
Continuity
Connector
Terminal
Connector
Terminal
LH
E123
50
E101
1
Yes
RH
51
E102
1
ALLIA0720GB
Connector
Terminal
—
Continuity
LH
E101
3
Ground
Yes
RH
E102
3
ALLIA0721GB
EXL-38
< COMPONENT DIAGNOSIS >
PARKING LAMP CIRCUIT
PARKING LAMP CIRCUIT
Description
INFOID:0000000005146650
The IPDM E/R (intelligent power distribution module engine room) controls the tail lamp relay based on inputs
from the BCM via the CAN communication lines. When the tail lamp relay is energized, power flows through
fuse 37, located in the IPDM E/R. Power then flows to the front and rear combination lamps.
Component Function Check
INFOID:0000000005146651
1.
CHECK PARKING LAMP OPERATION
WITHOUT CONSULT-III
1. Activate IPDM E/R auto active test. Refer to
PCS-12, "Diagnosis Description"
2. Check that the parking lamp is turned ON.
CONSULT-III
1. Select "EXTERNAL LAMPS" of IPDM E/R active test item.
2. With operating the test items, check that the parking lamp is turned ON.
Is the parking lamp turned ON?
YES
>> Parking lamp circuit is normal.
NO
>> Refer to
EXL-38, "Diagnosis Procedure - Without Daytime Light System"
Procedure - With Daytime Light System"
Diagnosis Procedure - Without Daytime Light System
INFOID:0000000005146652
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 open.
Is the fuse open?
YES
>> Repair the harness and replace the fuse.
NO
>> GO TO 2.
2.
CHECK TAIL LAMP RELAY OUTPUT (VOLTAGE)
1. Turn the ignition switch OFF.
2. Disconnect the front combination lamp connector, rear combination lamp connector and license plate
lamp connector.
3. Turn the ignition switch ON.
4. Turn the parking lamps ON.
TAIL
: Parking lamp ON
Off
: Parking lamp OFF
Unit
Location
Fuse No.
Capacity
Parking lamps
IPDM E/R
37
10A
PARKING LAMP CIRCUIT
EXL-39
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
EXL
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5. With the parking lamps ON, check voltage between the front
combination lamp connectors and ground.
6. With the parking lamps ON, check voltage between the rear
combination lamp connectors and ground.
7. With the parking lamps ON, check voltage between the license
plate lamp connector and ground
Are voltage readings as specified?
YES
>> GO TO 4.
NO
>> GO TO 3.
3.
CHECK PARKING, LICENSE PLATE AND TAIL 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 (A)
and the front combination lamp harness connector (B).
(+)
(
−)
Voltage
Connector
Terminal
LH
E11
3
Ground
Battery voltage
RH
E107
ALLIA0857ZZ
(+)
(
−)
Voltage
Connector
Terminal
LH
B70
3
Ground
Battery voltage
RH
B130
AWLIA1622ZZ
(+)
(
−)
Voltage
Connector
Terminal
D703
1
Ground
Battery voltage
WKIA4613E
A
B
Continuity
Connector
Terminal
Connector
Terminal
LH
E124
57
E11
3
Yes
RH
E107
AWLIA1373ZZ
EXL-40
< COMPONENT DIAGNOSIS >
PARKING LAMP CIRCUIT
4. Check continuity between the IPDM E/R harness connector (A)
and the rear combination lamp harness connector (B).
5. Check continuity between the IPDM E/R harness connector (A)
and license plate lamp connector (B).
Are continuity test results as specified?
YES
>> GO TO 4.
NO
>> Repair the harnesses or connectors.
4.
CHECK PARKING, LICENSE AND TAIL LAMP GROUND CIRCUITS
1. Check continuity between the front combination lamp harness
connectors E11 and E107 terminal 4 and ground.
2. Check continuity between the rear combination lamp harness
connectors B70 and B130 terminal 1 and ground.
A
B
Continuity
Connector
Terminal
Connector
Terminal
LH
E124
57
B70
3
Yes
RH
B130
AWLIA1623ZZ
A
B
Continuity
Connector
Terminal
Connector
Terminal
E124
57
D703
1
Yes
WKIA4614E
Connector
Terminal
—
Continuity
LH
E11
4
Ground
Yes
RH
E107
AWLIA1619ZZ
Connector
Terminal
—
Continuity
LH
B70
1
Ground
Yes
RH
B130
AWLIA1624ZZ
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