2001 INFINITI QX4 warning

Trouble DiagnosesNBEL0033
Symptom Possible cause Repair order
Turn signal and hazard warning
lamps do not operate.1. Hazard switch
2. Combination flasher unit
3. Open in combination flasher
unit circuit1. Check hazard switch.
2. Refer to combination flasher unit check.
3. Check wiring to combination flasher unit for open
circuit.
Turn signal lamps do not operate
but hazard warning lamps operate.1. 7.5A fuse
2. Hazard switch
3. Combination switch (turn signal)
4. Open in combination switch
(turn signal) circuit1. Check 7.5A fuse [No. 12, located in fuse block
(J/B)]. Turn ignition switch ON and verify battery
positive voltage is present at terminal 2 of hazard
switch.
2. Check hazard switch.
3. Check combination switch (turn signal).
4. Check the wire between combination flasher unit
terminal 3 and combination switch (turn signal) ter-
minal 1 for open circuit.
Hazard warning lamps do not oper-
ate but fog lamps (turn signal)
operate.1. 15A fuse
2. Hazard switch
3. Open in hazard switch circuit1. Check 15A fuse [No. 20, located in fuse block (J/B)].
Verify battery positive voltage is present at terminal
3 of hazard switch.
2. Check hazard switch.
3. Check the wire between combination flasher unit
terminal 3 and hazard switch terminal 4 for open cir-
cuit.
Front fog lamp (turn signal) LH or
RH does not operate.1. Bulb
2. Grounds E13 and E41
3. Open in front fog lamp (turn sig-
nal) circuit1. Check bulb.
2. Check grounds E13 and E41.
3. Check harness between front fog lamp (turn signal)
and combination switch.
Rear combination lamp LH does
not operate.1. Bulb
2. Grounds B11, B22 and D210
3. Open in rear combination lamp
LH circuit1. Check bulb.
2. Check grounds B11, B22 and D210.
3. Check harness between rear combination lamp LH
and hazard switch.
Rear combination lamp RH does
not operate.1. Bulb
2. Grounds B55 and B75
3. Open in rear combination lamp
RH circuit1. Check bulb.
2. Check grounds B55 and B75.
3. Check harness between rear combination lamp RH
and hazard switch.
LH and RH turn indicators do not
operate.1. Ground 1. Check grounds M4, M66 and M147.
LH or RH turn indicator does not
operate.1. Bulb
2. Open in turn indicator circuit1. Check bulb in combination meter.
2. Check harness between combination meter and haz-
ard switch.
SEL122E
Electrical Components InspectionNBEL0034COMBINATION FLASHER UNIT CHECKNBEL0034S01IBefore checking, ensure that bulbs meet specifications.
IConnect a battery and test lamp to the combination flasher
unit, as shown. Combination flasher unit is properly function-
ing if it blinks when power is supplied to the circuit.
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
TURN SIGNAL AND HAZARD WARNING LAMPS
Trouble Diagnoses
EL-79

SchematicNBEL0049
MEL794L
WARNING LAMPS
Schematic
EL-114

Wiring Diagram Ð WARN ÐNBEL0050
MEL795L
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
WARNING LAMPS
Wiring Diagram Ð WARN Ð
EL-115

MEL796L
WARNING LAMPS
Wiring Diagram Ð WARN Ð (Cont'd)
EL-116

MEL006O
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
WARNING LAMPS
Wiring Diagram Ð WARN Ð (Cont'd)
EL-117

MEL798L
WARNING LAMPS
Wiring Diagram Ð WARN Ð (Cont'd)
EL-118

MEL215M
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
WARNING LAMPS
Wiring Diagram Ð WARN Ð (Cont'd)
EL-119

MEL799L
WARNING LAMPS
Wiring Diagram Ð WARN Ð (Cont'd)
EL-120