Infiniti QX56 (Z62). Manual — part 700
EXL-92
< DTC/CIRCUIT DIAGNOSIS >
[XENON TYPE]
HEADLAMP LEVELIZER CIRCUIT
3.
CHECK AIMING MOTOR DRIVE SIGNAL SHORT CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect AFS control unit connector and headlamp aiming motor connector.
3.
Check continuity between AFS control unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace AFS control unit. Refer to
EXL-135, "Removal and Installation"
NO
>> Repair or replace harness.
AFS control unit
Ground
Continuity
Connector
Terminal
RH
M135
19
Not existed
LH
40
HEADLAMP AIMING SYSTEM (MANUAL)
EXL-93
< DTC/CIRCUIT DIAGNOSIS >
[XENON TYPE]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
HEADLAMP AIMING SYSTEM (MANUAL)
Component Inspection
INFOID:0000000006216752
1.
CHECK HEADLAMP AIMING SWITCH
1.
Remove headlamp aiming switch.
2.
Check resistance among each headlamp aiming switch terminal.
Is the inspection result normal?
YES
>> Headlamp aiming switch is normal.
NO
>> Replace the headlamp aiming switch.
Headlamp aiming switch
Condition
Resistance
(Approx.)
Terminal
Switch position
1
2
0
A: 910
Ω
1
B: 680
Ω
2
C: 510
Ω
3
D: 390
Ω
3
—
E: 390
Ω
JSLIA0084ZZ
EXL-94
< DTC/CIRCUIT DIAGNOSIS >
[XENON TYPE]
FRONT FOG LAMP CIRCUIT
FRONT FOG LAMP CIRCUIT
Component Function Check
INFOID:0000000006213962
1.
CHECK FRONT FOG LAMP OPERATION
CONSULT-III ACTIVE TEST
1.
Select “EXTERNAL LAMPS” of IPDM E/R active test item.
2.
With operating the test items, check that the front fog lamp is turned ON.
Is the inspection result normal?
YES
>> Front fog lamp circuit is normal.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000006213963
1.
CHECK FRONT FOG LAMP FUSE
1.
Turn ignition switch OFF.
2.
Check that the following fuse is not fusing.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK FRONT FOG LAMP SHORT CIRCUIT
1.
Disconnect front fog lamp connector.
2.
Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> Replace fuse. (Replace IPDM E/R if the fuse is fusing again.)
NO
>> Repair or replace harness. And then replace the fuse.
3.
CHECK FRONT FOG LAMP BULB
Check the applicable lamp bulb.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace bulb.
4.
CHECK FRONT FOG LAMP OUTPUT VOLTAGE
CONSULT-III ACTIVE TEST
1.
Disconnect front fog lamp connector.
2.
Turn ignition switch ON.
3.
Select “EXTERNAL LAMPS” of IPDM E/R active test item.
4.
With operating the test items, check voltage between IPDM E/R harness connector and ground.
Fog
: Front fog lamp ON
Off
: Front fog lamp OFF
Unit
Location
Fuse No.
Capacity
Front fog lamp
IPDM E/R
#50
15 A
IPDM E/R
Ground
Continuity
Connector
Terminal
RH
E12
19
Not existed
LH
20
FRONT FOG LAMP CIRCUIT
EXL-95
< DTC/CIRCUIT DIAGNOSIS >
[XENON TYPE]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace IPDM E/R.
5.
CHECK FRONT FOG LAMP OPEN CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R connector.
3.
Check continuity between IPDM E/R harness connector and front fog lamp harness connector.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness.
6.
CHECK FRONT FOG LAMP GROUND CIRCUIT OPEN CIRCUIT
Check continuity between front fog lamp harness connector and ground.
Is the inspection result normal?
YES
>> Replace front fog lamp.
NO
>> Repair or replace harness.
(+)
(
−
)
Test item
Voltage
(Approx.)
IPDM E/R
Connector
Terminal
RH
E12
19
Ground
EXTERNAL
LAMPS
Fog
Battery voltage
Off
0 V
LH
20
Fog
Battery voltage
Off
0 V
IPDM E/R
Front fog lamp
Continuity
Connector
Terminal
Connector
Terminal
RH
E12
19
E48
1
Existed
LH
20
E30
Front fog lamp
Ground
Continuity
Connector
Terminal
RH
E48
2
Existed
LH
E30
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