Nissan Altima L32. Instruction — part 691
EXL-48
< COMPONENT DIAGNOSIS >
PARKING LAMP CIRCUIT
PARKING LAMP CIRCUIT
Description
INFOID:0000000004201501
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.
Component Function Check
INFOID:0000000004201502
1.
CHECK PARKING LAMP OPERATION
WITHOUT CONSULT-III
1. Activate IPDM E/R auto active test. Refer to
PCS-14, "Diagnosis Description"
2. Check that the parking lamp is turned ON.
CONSULT-III
1. Select "EXTERNAL LAMP" 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
.
Diagnosis Procedure
INFOID:0000000004201503
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-III
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
PARKING LAMP CIRCUIT
EXL-49
< COMPONENT DIAGNOSIS >
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1. Turn the ignition switch OFF.
2. Disconnect the front and rear combination lamp connectors.
3. Turn the ignition switch ON.
4. Select "EXTERNAL LAMP" of IPDM E/R active test item.
5. With EXTERNAL LAMP ON, check the voltage between the
combination lamp connector and ground.
Is battery voltage present?
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 combination lamp harness connector.
Does continuity exist?
YES
>> GO TO 4
NO
>> Repair the harnesses or connectors.
4.
CHECK PARKING LAMP GROUND CIRCUIT
(+)
(
−)
Voltage
Connector
Terminal
Front
A: E218, E225
8
Ground
Battery voltage
Rear
B: B30, B45
2
ALLIA0125ZZ
Connector
Terminal
Connector
Terminal
Continuity
Front
A: E201
91, 92
B: E218, E225
8
Yes
Rear
C: E18
7
D: B30, B45
2
ALLIA0126ZZ
EXL-50
< COMPONENT DIAGNOSIS >
PARKING LAMP CIRCUIT
1. Disconnect the combination lamp connector.
2. Check continuity between the combination lamp harness con-
nector terminal and ground.
Does continuity exist?
YES
>> Inspect the parking lamp bulb.
NO
>> Repair the harness.
Connector
Terminal
—
Continuity
Front
A: E218, E225
9
Ground
Yes
Rear
B: B30, B45
5
ALLIA0127ZZ
TURN SIGNAL LAMP CIRCUIT
EXL-51
< COMPONENT DIAGNOSIS >
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TURN SIGNAL LAMP CIRCUIT
Description
INFOID:0000000004201504
The BCM monitors inputs from the combination switch to determine when to activate the turn signals. The
BCM outputs voltage direction to the left and right turn signals during turn signal operation or both during haz-
ard warning operation. The BCM sends a turn signal indicator request to the combination meter via the CAN
communication lines.
The BCM performs the fast flasher operation (fail-safe) if any bulb or harness of the turn signal lamp circuit is
open.
NOTE:
Turn signal lamp blinks at normal speed when using the hazard warning lamp.
Component Function Check
INFOID:0000000004201505
1.
CHECK TURN SIGNAL LAMP
CONSULT-III
1. Select "FLASHER" of BCM (FLASHER) active test item.
2. With operating the test items, check that the turn signal lamp blinks.
Does the turn signal lamp blink?
YES
>> Turn signal lamp circuit is normal.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000004201506
1.
CHECK TURN SIGNAL LAMP BULB
Check the applicable lamp bulb to be sure the proper bulb standard is in use and the bulb is not open.
Is the bulb OK?
YES
>> GO TO 2
NO
>> Replace the bulb.
2.
CHECK TURN SIGNAL LAMP OUTPUT VOLTAGE
1. Turn the ignition switch OFF.
2. Disconnect the front combination lamp connector, the door mirror connector and the rear combination
lamp connector.
3. Turn the ignition switch ON.
4. With operating the turn signal switch, check the voltage between
the BCM harness connector and the ground.
Is the measurement value normal?
YES
>> GO TO 3
NO
>> Replace BCM. Refer to
BCS-96, "Removal and Installation"
LH
: Turn signal lamp LH blinking
RH
: Turn signal lamp RH blinking
OFF
: The turn signal lamp OFF
(+)
(
−)
Voltage
Connector
Terminal
RH
M17
17
Ground
LH
M17
18
ALLIA0182ZZ
PKID0926E
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