2009 INFINITI QX56 Factory Service Manual

remote control alternator wheel torque refrigerant type brakes key battery

Page 2081 of 4171

INFINITI QX56 2009 Factory Service Manual IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
EXL-133
< ECU DIAGNOSIS >
C
D E
F
G H
I
J
K
M A
B
EXL
N
O P
DTC IndexINFOID:0000000004215519
NOTE:
The details of TIME display are as follo

Page 2082 of 4171

INFINITI QX56 2009 Factory Service Manual EXL-134
< SYMPTOM DIAGNOSIS >
EXTERIOR LIGHTING SYSTEM SYMPTOMS
SYMPTOM DIAGNOSIS
EXTERIOR LIGHTING SYSTEM SYMPTOMS
Symptom TableINFOID:0000000003776210
CAUTION:
Perform the self-diagnosis with CONSUL

EXL-134
< SYMPTOM DIAGNOSIS >
EXTERIOR LIGHTING SYSTEM SYMPTOMS
SYMPTOM DIAGNOSIS
EXTERIOR LIGHTING SYSTEM SYMPTOMS
Symptom TableINFOID:0000000003776210
CAUTION:
Perform the self-diagnosis with CONSULT-III before the symptom diagnosis. Perform the trouble diag-
nosis if any DTC is detected.
Symptom Possible causeInspection item
Headlamp does not
switch to the high beam. One side•Fuse
• Harness between IPDM E/R
and the front combination lamp
• Front combination lamp
(High beam relay)
• IPDM E/R Headlamp (HI) circuit
Refer to EXL-32
.
Both sides Symptom diagnosis
"BOTH SIDE HEADLAMPS DO NOT SWITCH TO HIGH BEAM"
Refer to
EXL-137
.
High beam indicator lamp is not turned ON.
(Headlamp switches to the high beam.) • Combination meter
•BCM• Combination meter.
Data monitor "HI-BEAM IND".
• BCM (HEAD LAMP) Active test "HEADLAMP".
Headlamp does not
switch to the low beam. One side
Front combination lamp (Low
beam relay)
—
Both sides • Combination switch
• Harness between the combina-
tion switch and BCM
•BCM Combination switch
Refer to BCS-36
.
High beam request signal
•BCM
• IPDM E/R IPDM E/R
Data monitor "HL HI REQ".
IPDM E/R —
Headlamp does not turn
ON. One side•Fuse
•Bulb
• Harness between IPDM E/R
and the front combination lamp
• Front combination lamp
• IPDM E/R Headlamp (L
O) circuit
Refer to EXL-35
.
Both sides Symptom diagnosis
"BOTH SIDE HEADLAMPS (LO) ARE NOT TURNED ON"
Refer to
EXL-138, "
Description".
Headlamp does not turn
OFF. When the ignition
switch is turned ON
•BCM
• Combination switch Combination switch
Refer to BCS-36
.
The ignition switch is
turned OFF (After acti-
vating the battery sav-
er). IPDM E/R
—
Headlamp is not turned ON/OFF with the lighting
switch AUTO. • Combination switch
• Harness between the combina-
tion switch and BCM
•BCM Combination switch
Refer to BCS-36
.
• Optical sensor
• Harness between the optical sensor and BCM
•BCM Optical sensor
Refer to EXL-49
.
Revision: December 20092009 QX56

Page 2083 of 4171

INFINITI QX56 2009 Factory Service Manual EXTERIOR LIGHTING SYSTEM SYMPTOMSEXL-135
< SYMPTOM DIAGNOSIS >
C
DE
F
G H
I
J
K
M A
B
EXL
N
O P
Daytime light system does not activate. • Either high beam bulb
• Parking brake switch
• Combinati

Page 2084 of 4171

INFINITI QX56 2009 Factory Service Manual EXL-136
< SYMPTOM DIAGNOSIS >
NORMAL OPERATING CONDITION
NORMAL OPERATING CONDITION
DescriptionINFOID:0000000003776211
XENON HEADLAMPS
The brightness and color of the light may vary slightly immediate

Page 2085 of 4171

INFINITI QX56 2009 Factory Service Manual BOTH SIDE HEADLAMPS DO NOT SWITCH TO HIGH BEAM
EXL-137
< SYMPTOM DIAGNOSIS >
C
D E
F
G H
I
J
K
M A
B
EXL
N
O P
BOTH SIDE HEADLAMPS DO NOT SWITCH TO HIGH BEAM
DescriptionINFOID:0000000003776212
The he

Page 2086 of 4171

INFINITI QX56 2009 Factory Service Manual EXL-138
< SYMPTOM DIAGNOSIS >
BOTH SIDE HEADLAMPS (LO) ARE NOT TURNED ON
BOTH SIDE HEADLAMPS (LO) ARE NOT TURNED ON
DescriptionINFOID:0000000003776214
The headlamps (both sides) do not turn ON in any

Page 2087 of 4171

INFINITI QX56 2009 Factory Service Manual PARKING, LICENSE PLATE AND TAIL LAMPS ARE NOT TURNED ON
EXL-139
< SYMPTOM DIAGNOSIS >
C
D E
F
G H
I
J
K
M A
B
EXL
N
O P
PARKING, LICENSE PLATE AND TA IL LAMPS ARE NOT TURNED ON
DescriptionINFOID:00000

Page 2088 of 4171

INFINITI QX56 2009 Factory Service Manual EXL-140
< SYMPTOM DIAGNOSIS >
BOTH SIDE FRONT FOG LAMPS ARE NOT TURNED ON
BOTH SIDE FRONT FOG LA MPS ARE NOT TURNED ON
DescriptionINFOID:0000000003776218
The front fog lamps do not turn ON in any sett

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