Page 2465 of 4171

CARGO LAMP CONTROL CIRCUITINL-21
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
J
K
M A
B
INL
N
O P
CARGO LAMP CONTROL CIRCUIT
DescriptionINFOID:0000000003776260
Controls the cargo lamp (ground side) to turn the cargo lamp ON and OFF.
Component Function CheckINFOID:0000000003776261
CAUTION:
Before performing the diagnosis, check that the following is normal.
• Battery saver output/power supply
• Cargo lamp bulb
1.CHECK CARGO LAMP OPERATION
CONSULT-III
1. Turn ignition switch ON.
2. Select “LUGGAGE LAMP TEST” of BCM (INT LAMP) active test item.
3. While operating the test item, chec k that cargo lamp turns ON/OFF.
Is the inspection result normal?
YES >> Cargo lamp circuit is normal.
NO >> Refer to INL-19, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000003776262
1.CHECK CARGO LAMP OUTPUT
CONSULT-III
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 M19 terminal 49 and ground.
Is the inspection result normal?
YES >> Cargo lamp control circuit is operating normally.
Fixed ON>>GO TO 3
Fixed OFF>>GO TO 2
2.CHECK CARGO LAMP OPEN CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector M19 and cargo lamp connector.
3. Check continuity between BCM connector M19 (A) terminal 49 and cargo lamp connector B153 (B) terminal 1.
Is the inspection result normal?
ON : Cargo lamp ON
OFF : Cargo lamp OFF
Connector Terminal — LUGGAGE
LAMP TEST Vo l ta g e
M19 49 Ground ON
0V
OFF Battery voltage
ALLIA0417GB
BCM Cargo lamp
Continuity
Connector Terminal Connector Terminal
M19 (A) 49B153 (B) 1Yes
ALLIA0418GB
Revision: December 20092009 QX56
Page 2466 of 4171
INL-22
< COMPONENT DIAGNOSIS >
CARGO LAMP CONTROL CIRCUIT
YES >> Check cargo lamp for an open. If OK, replace BCM. Refer to BCS-56, "Removal and Installation".
If NG, replace cargo lamp. Refer to INL-77, "
Removal and Installation".
NO >> Repair harness or connectors.
3.CHECK CARGO LAMP SHORT CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector M19 and cargo lamp connector.
3. Check continuity between BCM connector M19 terminal 49 and ground.
Is the inspection result normal?
YES >> Check cargo lamp for a short circuit. If OK, replace BCM. Refer to BCS-56, "
Removal and Installation". If
NG, replace cargo lamp. Refer to INL-77, "
Removal and
Installation".
NO >> Repair harness or connectors.
Connector Terminal —Continuity
M19 49Ground No
ALLIA0419GB
Revision: December 20092009 QX56
Page 2467 of 4171

IGNITION KEYHOLE ILLUMINATION CONTROL CIRCUIT
INL-23
< COMPONENT DIAGNOSIS >
C
D E
F
G H
I
J
K
M A
B
INL
N
O P
IGNITION KEYHOLE ILLUMI NATION CONTROL CIRCUIT
DescriptionINFOID:0000000003776263
Controls the ignition keyhole illumination (ground side) to turn the ignition keyhole illumination ON and OFF.
Component Function CheckINFOID:0000000003776264
CAUTION:
Before performing the diagnosis, check that the following is normal.
• Battery saver output/power supply circuit
• Ignition keyhole il lumination bulb
1.CHECK IGNITION KEYHOLE ILLUMINATION OPERATION
CONSULT-III
1. Turn the ignition switch ON.
2. Select “IGN ILLUM” of BCM (INT LAMP) active test item.
3. While operating the test item, check that the ignition keyhole illumination turns ON/OFF
Is the inspection result normal?
YES >> Ignition keyhole illumination circuit is normal.
NO >> Refer to INL-23, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000003776265
1.CHECK IGNITION KEYHOLE OUTPUT
CONSULT-III
1. Turn ignition switch ON.
2. Select “IGN ILLUM” of BCM (INT LAMP) active test item.
3. While operating the test item, check voltage between BCM con- nector M18 terminal 1 and ground.
Is the inspection result normal?
YES >> Ignition keyhole illumination control circuit is operating normally.
Fixed ON>>GO TO 3
Fixed OFF>>GO TO 2
2.CHECK IGNITION KEYHOLE I LLUMINATION OPEN CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector M18 and ignition keyhole illumina- tion connector.
3. Check continuity between BCM connector M18 (A) terminal 1 and ignition keyhole illumination connector M150 (B) terminal 2.
Is the inspection result normal?
ON : Ignition keyhole illumination ON
OFF : Ignition keyhole illumination OFF
Connector Terminal — IGN ILLUM Voltage
M18 1 Ground ON
0V
OFF Battery voltage
ALLIA0420GB
BCM Ignition keyhole illumination
Continuity
Connector Terminal Connector Terminal
M18 (A) 1 M150 (B) 2 Yes
ALLIA0421GB
Revision: December 20092009 QX56
Page 2468 of 4171
INL-24
< COMPONENT DIAGNOSIS >
IGNITION KEYHOLE ILLUMINATION CONTROL CIRCUIT
YES >> Check ignition keyhole illumination for an open. If OK, replace BCM. Refer to BCS-56, "Removal
and Installation". If NG, replace ignition keyhole illumination.
NO >> Repair harness or connectors.
3.CHECK IGNITION KEYHOLE ILLUMINATION SHORT CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector M18 and ignition keyhole illumina- tion connector.
3. Check continuity between BCM connector M18 terminal 1 and ground.
Is the inspection result normal?
YES >> Check ignition keyhole illumination for a short circuit. If OK, replace BCM. Refer to BCS-56, "
Removal and
Installation". If NG, replace ignition keyhole illumination.
NO >> Repair harness or connectors.
Connector Terminal —Continuity
M18 1Ground No
ALLIA0422GB
Revision: December 20092009 QX56
Page 2469 of 4171
INTERIOR ROOM LAMP CONTROL SYSTEMINL-25
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
J
K
M A
B
INL
N
O P
INTERIOR ROOM LAMP CONTROL SYSTEM
Wiring DiagramINFOID:0000000003776266
ABLWA0043GB
Revision: December 20092009 QX56
Page 2470 of 4171
INL-26
< COMPONENT DIAGNOSIS >
INTERIOR ROOM LAMP CONTROL SYSTEM
ABLWA0044GB
Revision: December 20092009 QX56
Page 2471 of 4171
INTERIOR ROOM LAMP CONTROL SYSTEMINL-27
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
J
K
M A
B
INL
N
O P
ABLWA0045GB
Revision: December 20092009 QX56
Page 2472 of 4171
INL-28
< COMPONENT DIAGNOSIS >
INTERIOR ROOM LAMP CONTROL SYSTEM
ABLIA0136GB
Revision: December 20092009 QX56