Infiniti QX56 (Z62). Manual — part 833
INL-62
< DTC/CIRCUIT DIAGNOSIS >
STEP LAMP CIRCUIT
STEP LAMP CIRCUIT
Description
INFOID:0000000006216073
Controls the step lamp (ground side) to turn the step lamp ON and OFF.
Component Function Check
INFOID:0000000006216074
CAUTION:
Before performing the diagnosis, check that the following is normal.
• Interior room lamp power supply
• Step lamp bulb
1.
CHECK STEP LAMP OPERATION
CONSULT-III ACTIVE TEST
1.
Turn ignition switch ON.
2.
Select “STEP LAMP TEST” of BCM (INT LAMP) active test item.
3.
With operating the test items, check that step lamp turns ON/OFF.
Does the step lamp turn ON/OFF?
YES
>> Step lamp circuit is normal.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000006216075
1.
CHECK STEP LAMP OUTPUT
CONSULT-III ACTIVE TEST
1.
Turn ignition switch OFF.
2.
Remove the step lamp bulbs (ALL).
3.
Turn ignition switch ON.
4.
Select “STEP LAMP TEST” of BCM (INT LAMP) active test item.
5.
With operating the test item, check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
Fixed ON>>GO TO 3.
Fixed OFF>>Replace BCM. Refer to
BCS-81, "Removal and Installation"
2.
CHECK STEP LAMP OPEN CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector, and step lamp connector.
3.
Check continuity between BCM harness connector and step lamp harness connector.
On
: Step lamp ON
Off
: Step lamp OFF
BCM
Ground
Test item
Continuity
Connector
Terminal
M70
62
STEP LAMP TEST
On
Existed
Off
Not existed
BCM
Step lamp
Continuity
Connector
Terminal
Connector
Terminal
M70
62
Driver side
D8
2
Existed
Passenger side
D29
Rear LH
D66
Rear RH
D46
STEP LAMP CIRCUIT
INL-63
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
INL
N
O
P
Is the inspection result normal?
YES
>> Replace step lamp.
NO
>> Repair or replace harnesses.
3.
CHECK STEP LAMP SHORT CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Repair or replace harnesses.
NO
>> Replace BCM. Refer to
BCS-81, "Removal and Installation"
BCM
Ground
Continuity
Connector
Terminal
M70
62
Not existed
INL-64
< DTC/CIRCUIT DIAGNOSIS >
PUDDLE LAMP CIRCUIT
PUDDLE LAMP CIRCUIT
Description
INFOID:0000000006216076
Controls the puddle lamp (ground side) to turn the puddle lamp ON and OFF.
Diagnosis Procedure
INFOID:0000000006216077
CAUTION:
Before performing the diagnosis, check that the following is normal.
• Interior room lamp power supply
1.
CHECK PUDDLE LAMP OUTPUT
1.
Turn ignition switch OFF.
2.
Disconnect puddle lamp connector.
3.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
Fixed ON>>GO TO 3.
Fixed OFF>>Replace BCM. Refer to
BCS-81, "Removal and Installation"
2.
CHECK PUDDLE LAMP OPEN CIRCUIT
1.
Disconnect BCM connector.
2.
Check continuity between BCM harness connector and puddle lamp harness connector.
Is the inspection result normal?
YES
>> Replace puddle lamp.
NO
>> Repair or replace harnesses.
3.
CHECK PUDDLE LAMP SHORT CIRCUIT
1.
Disconnect BCM connector.
2.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-81, "Removal and Installation"
NO
>> Repair or replace harnesses.
BCM
Ground
Condition
Continuity
Connector
Terminal
M71
72
Any door
(except back door)
Open
Existed
Closed
Not existed
BCM
Puddle lamp
Continuity
Connector
Terminal
Connector
Terminal
M71
72
Driver side
D3
14
Existed
Passenger side
D23
BCM
Ground
Continuity
Connector
Terminal
M71
72
Not existed
PUSH-BUTTON IGNITION SWITCH ILLUMINATION CIRCUIT
INL-65
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
INL
N
O
P
PUSH-BUTTON IGNITION SWITCH ILLUMINATION CIRCUIT
Component Function Check
INFOID:0000000006265016
1.
CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION OPERATION
CONSULT-III ACTIVE TEST
1.
Turn the ignition switch ON.
2.
Select “ENGINE SW ILLUMI” of BCM (INTELLIGENT KEY) active test item.
3.
With operating the test items, check that the push-button ignition switch illumination turns ON/OFF.
Does the push-button ignition switch illumination turn ON/OFF?
YES
>> Push-button ignition switch illumination circuit is normal.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000006265017
1.
CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION POWER SUPPLY OUTPUT
1.
Turn ignition switch OFF.
2.
Lighting switch OFF.
3.
Disconnect push-button ignition switch connector.
4.
Check voltage between push-button ignition switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 2.
2.
CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION POWER SUPPLY OPEN CIRCUIT
1.
Turn the ignition switch OFF.
2.
Disconnect BCM connector.
3.
Check continuity between BCM harness connector and the push-button ignition switch harness connector.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harnesses.
3.
CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION POWER SUPPLY SHORT CIRCUIT
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-81, "Removal and Installation"
On
: Push-button ignition switch illumination ON
Off
: Push-button ignition switch illumination OFF
(+)
(–)
Condition
Voltage
(Approx.)
Push-button ignition switch
Connector
Terminal
M101
3
Ground
Push-button ignition
switch illumination
ON Condition
12 V
OFF Condition
0 V
BCM
Push-button ignition switch
Continuity
Connector
Terminal
Connector
Terminal
M71
90
M101
3
Existed
BCM
Ground
Continuity
Connector
Terminal
M71
90
Not existed
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