Nissan Maxima. Manual — part 575
EXL-42
< DTC/CIRCUIT DIAGNOSIS >
[XENON TYPE]
XENON HEADLAMP
XENON HEADLAMP
Description
INFOID:0000000010050222
OPERATION
EXL-10, "Component Description"
PRECAUTIONS FOR TROUBLE DIAGNOSIS
• Installation or removal of the connector must be done with the lighting switch OFF.
• When the lamp is illuminated (when the lighting switch is ON), do not touch the harness, HID control unit,
inside of the lamp, or the lamp metal parts.
• To check illumination, temporarily install lamp in the vehicle. Be sure to connect power at the vehicle-side
connector.
• If the malfunction can be traced directly to the electrical system, first check for items such as blown fuses
and fusible links, broken wires or loose connectors, pulled-out terminals, and improper connections.
• Do not work with wet hands.
• Using a tester for HID control unit circuit trouble diagnosis is prohibited.
• Disassembling the HID control unit or harnesses (bulb socket harness, ballast harness) is prohibited.
• Immediately after illumination, the light intensity and color will fluctuate, this is normal.
• When the bulb has reached the end of its lifetime, the brightness may drop significantly, it may flash repeat-
edly, or the light may turn a reddish color.
Diagnosis Procedure
INFOID:0000000010050223
1.
CHECK XENON BULB
Install a known good bulb to the applicable headlamp. Check that the headlamp operates.
Is the inspection result normal?
YES
>> Replace the xenon bulb.
NO
>> GO TO 2.
2.
CHECK HID CONTROL UNIT
Install a known good HID control unit to the applicable headlamp. Check that the headlamp operates.
Is the inspection result normal?
YES
>> Replace HID control unit.
NO
>> Inspection End.
FRONT FOG LAMP CIRCUIT
EXL-43
< DTC/CIRCUIT DIAGNOSIS >
[XENON TYPE]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
FRONT FOG LAMP CIRCUIT
Description
INFOID:0000000010050224
The IPDM E/R (intelligent power distribution module engine room) controls the front fog lamp relay based on
inputs from the BCM over the CAN communication lines. When the front fog lamp relay is energized, power
flows from the front fog lamp relay in the IPDM E/R to the front fog lamps.
Component Function Check
INFOID:0000000010050225
1.
CHECK FRONT FOG LAMP OPERATION
WITHOUT CONSULT
1. Activate IPDM E/R auto active test. Refer to
PCS-11, "Diagnosis Description"
.
2. Check that the front fog lamp is turned ON.
CONSULT
1. Select "EXTERNAL LAMPS" of IPDM E/R active test item.
2. While operating the test item, check that the front fog lamp is turned ON.
Is the front fog lamp turned ON?
YES
>> Front fog lamp circuit is normal.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000010050226
Regarding Wiring Diagram information, refer to
1.
CHECK FRONT FOG LAMP FUSE
1. Turn the ignition switch OFF.
2. Check that the following fuse is not open.
Is the fuse open?
YES
>> Repair the harness and replace the fuse.
NO
>> GO TO 2.
2.
CHECK FRONT FOG LAMP OUTPUT VOLTAGE
CONSULT
1. Turn the ignition switch OFF.
2. Disconnect the front fog lamp connector.
3. Turn the ignition switch ON.
4. Select "EXTERNAL LAMPS" of IPDM E/R active test item.
FOG
: Front fog lamp ON
OFF
: Front fog lamp OFF
Unit
Location
Fuse No.
Capacity
Front fog lamp
IPDM E/R
53
15A
EXL-44
< DTC/CIRCUIT DIAGNOSIS >
[XENON TYPE]
FRONT FOG LAMP CIRCUIT
5. With EXTERNAL LAMPS ON, check the voltage between the
fog lamp connector and ground.
Is battery voltage present?
YES
>> GO TO 4.
NO
>> GO TO 3.
3.
CHECK FRONT FOG LAMP OPEN CIRCUIT
1. Turn the ignition switch OFF.
2. Disconnect IPDM E/R connector E200.
3. Check continuity between the IPDM E/R harness connector (A)
and the front fog lamp harness connector (B).
Does continuity exist?
YES
>> Replace the IPDM E/R. Refer to
NO
>> Repair the harnesses or connectors.
4.
CHECK FRONT FOG LAMP GROUND CIRCUIT
Check continuity between the front fog lamp harness connector ter-
minal and ground.
Does continuity exist?
YES
>> Inspect the fog lamp bulb.
NO
>> Repair the harness.
(+)
(
−)
Voltage
Connector
Terminal
LH
E214
1
Ground
Battery voltage
RH
E227
1
ALLIA0119ZZ
A
B
Continuity
Connector
Terminal
Connector
Terminal
RH
E200
86
E227
1
Yes
LH
87
E214
1
ALLIA0123ZZ
Connector
Terminal
—
Continuity
RH
E227
2
Ground
Yes
LH
E214
2
ALLIA0121ZZ
PARKING LAMP CIRCUIT
EXL-45
< DTC/CIRCUIT DIAGNOSIS >
[XENON TYPE]
C
D
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F
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A
B
EXL
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PARKING LAMP CIRCUIT
Description
INFOID:0000000010050227
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
fuses 46 and 47, located in the IPDM E/R. Power then flows to the front and rear combination lamps, license
plate lamps.
Component Function Check
INFOID:0000000010050228
1.
CHECK PARKING LAMP OPERATION
WITHOUT CONSULT
1. Activate IPDM E/R auto active test. Refer to
PCS-11, "Diagnosis Description"
.
2. Check that the parking lamp is turned ON.
CONSULT
1. Select "EXTERNAL LAMPS" of IPDM E/R active test item.
2. While operating the test item, check that the parking lamp is turned ON.
Is the parking lamp turned ON?
YES
>> Parking lamp circuit is normal.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000010050229
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)
CONSULT
1. Turn the ignition switch OFF.
2. Disconnect the front and rear combination lamp connectors.
3. Turn the ignition switch ON.
4. Select “EXTERNAL LAMPS" of IPDM E/R active test item.
TAIL
: Parking lamp ON
OFF
: Parking lamp OFF
Unit
Location
Fuse No.
Capacity
Parking lamps (front)
IPDM E/R
46
10A
Parking lamps (rear)
IPDM E/R
47
10A
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