Nissan Maxima. Manual — part 766
STEP LAMP CIRCUIT
INL-23
< DTC/CIRCUIT DIAGNOSIS >
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STEP LAMP CIRCUIT
Description
INFOID:0000000009465427
Controls the step lamp (ground side) to turn the step lamp ON and OFF.
Component Function Check
INFOID:0000000009465428
CAUTION:
Before performing the diagnosis, check that the following is normal.
• Battery saver output/power supply
• Step lamp bulbs
1.
CHECK STEP LAMP OPERATION
CONSULT
1. Turn ignition switch ON.
2. Select “STEP LAMP TEST” of BCM (INT LAMP) active test item.
3. While operating the test item, check that step lamps turn ON/OFF.
Is the inspection result normal?
YES
>> Step lamp control circuit is normal.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000009465429
Regarding Wiring Diagram information, refer to
.
1.
CHECK STEP LAMP OUTPUT
CONSULT
1. Turn ignition switch ON.
2. Select “STEP LAMP TEST” of BCM (INT LAMP) active test item.
3. While operating the test item, check voltage between BCM con-
nector M17 terminal 7 and ground.
Is the inspection result normal?
YES
>> Step lamp control circuit is operating normally.
Fixed ON>>GO TO 3
Fixed OFF>>GO TO 2
2.
CHECK STEP LAMP OPEN CIRCUIT
ON
: Step lamp ON
OFF
: Step lamp OFF
BCM
Ground
Test item
Voltage
Connector
Terminal
STEP LAMP
TEST
M17
7
ON
0V
OFF
Battery voltage
ALLIA0106ZZ
INL-24
< DTC/CIRCUIT DIAGNOSIS >
STEP LAMP CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector M17 and step lamp connectors.
3. Check continuity between BCM connector M17 (A) terminal 7
and step lamp connectors (B) terminal 2.
Is the inspection result normal?
YES
>> Check step lamp for an open. If OK, replace BCM. Refer to
BCS-79, "Removal and Installation"
. If
NG, replace step lamp. Refer to
INL-84, "Removal and Installation"
.
NO
>> Repair harness or connectors.
3.
CHECK STEP LAMP SHORT CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector M17 and step lamp connectors.
3. Check continuity between BCM connector M17 terminal 7 and
ground.
Is the inspection result normal?
YES
>> Check step lamp for a short circuit. If OK, replace BCM.
BCS-79, "Removal and Installation"
. If NG, replace step lamp. Refer to
.
NO
>> Repair the harness or connectors.
BCM
Step lamp
Continuity
Connector
Terminal
Connector
Terminal
M17 (A)
7
Front LH
D11 (B)
2
Yes
Front RH
D109 (B)
2
Rear LH
D206 (B)
2
Rear RH
D301 (B)
2
AWLIA1666ZZ
BCM
Ground
Continuity
Connector
Terminal
M17
7
No
ALLIA0108ZZ
TRUNK ROOM LAMP CIRCUIT
INL-25
< DTC/CIRCUIT DIAGNOSIS >
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TRUNK ROOM LAMP CIRCUIT
Description
INFOID:0000000009465430
Controls the trunk room lamp (ground side) to turn the trunk room lamp ON and OFF.
Component Function Check
INFOID:0000000009465431
CAUTION:
Before performing the diagnosis, check that the following is normal.
• Battery saver output/power supply
• Trunk room lamp bulb
1.
CHECK TRUNK ROOM LAMP OPERATION
CONSULT
1. Turn ignition switch ON.
2. Select “LUGGAGE LAMP TEST” of BCM (INT LAMP) active test item.
3. While operating the test item, check that trunk room lamp turns ON/OFF.
Is the inspection result normal?
YES
>> Trunk room lamp control circuit is normal.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000009465432
Regarding Wiring Diagram information, refer to
.
1.
CHECK TRUNK ROOM LAMP OUTPUT
CONSULT
1. Turn ignition switch ON.
2. Select “LUGGAGE LAMP TEST” of BCM (INT LAMP) active test
item.
3. While operating the test item, check voltage between BCM con-
nector M20 terminal 110 and ground.
Is the inspection result normal?
YES
>> Trunk room lamp control circuit is operating normally.
Fixed ON>>GO TO 3
Fixed OFF>>GO TO 2
2.
CHECK TRUNK ROOM LAMP OPEN CIRCUIT
ON
: Trunk room lamp ON
OFF
: Trunk room lamp OFF
BCM
Ground
Test item
Voltage
Connector
Terminal
LUGGAGE
LAMP TEST
M20
110
ON
0V
OFF
Battery voltage
ALLIA0110ZZ
INL-26
< DTC/CIRCUIT DIAGNOSIS >
TRUNK ROOM LAMP CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector M20 and trunk room lamp connec-
tor.
3. Check continuity between BCM connector M20 (A) terminal 110
and trunk room lamp connector B36 (B) terminal 2.
Is the inspection result normal?
YES
>> Check trunk room lamp for an open. If OK, replace BCM. Refer to
BCS-79, "Removal and Installa-
. If NG, replace trunk room lamp. Refer to
INL-84, "Removal and Installation"
.
NO
>> Repair harness or connectors.
3.
CHECK TRUNK ROOM LAMP SHORT CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector M20 and trunk room lamp connec-
tor.
3. Check continuity between BCM connector M20 terminal 110 and
ground.
Is the inspection result normal?
YES
>> Check trunk room lamp for a short circuit. If OK, replace BCM. Refer to
. If NG, replace trunk room lamp. Refer to
INL-84, "Removal and Installation"
.
NO
>> Repair harnesses or connectors.
BCM
Trunk room lamp
Continuity
Connector
Terminal
Connector
Terminal
M20
110
B36
2
Yes
ALLIA0109ZZ
BCM
Ground
Continuity
Connector
Terminal
M20
110
No
ALLIA0111ZZ
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