INFINITI QX4 2001 Factory Service Manual

SEL024J
IBefore reinstalling wiper arm, clean up the pivot area as
illustrated. This will reduce possibility of wiper arm loose-
ness.
SEL241P
MEL034G
Washer Nozzle AdjustmentNBEL0068IAdjust washer nozzle with suitable tool as shown in the figure
at left.
Adjustable range:±10É (In any direction)
MEL067G
Washer Tube LayoutNBEL0069
SEL411H
Check ValveNBEL0070IA check valve is provided in the washer fluid line. Be careful
not to connect check valve to washer tube in the wrong direc-
tion.
REAR WIPER AND WASHER
Removal and Installation (Cont'd)
EL-146

Wiring Diagram Ð HORN ÐNBEL0071
MEL811L
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
HORN
Wiring Diagram Ð HORN Ð
EL-147

Wiring Diagram Ð CIGAR ÐNBEL0156
MEL812L
CIGARETTE LIGHTER
Wiring Diagram Ð CIGAR Ð
EL-148

MEL813L
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
CIGARETTE LIGHTER
Wiring Diagram Ð CIGAR Ð (Cont'd)
EL-149

Wiring Diagram Ð CLOCK ÐNBEL0204
MEL814L
CLOCK
Wiring Diagram Ð CLOCK Ð
EL-150

Component Parts and Harness Connector
Location
NBEL0072
SEL465X
System DescriptionNBEL0073The rear window defogger system is controlled by the smart entrance control unit. The rear window defogger
operates only for approximately 15 minutes.
Power is supplied at all times
Ito rear window defogger relay terminal 3
Ithrough 20A fuse (No. 56, located in the fuse and fusible link box) and
Ito rear window defogger relay terminal 6
Ithrough 20A fuse (No. 57, located in the fuse and fusible link box)
Ito smart entrance control unit terminal 10
Ithrough 7.5A [No. 24, located in fuse block (J/B)]
With the ignition switch in the ON or START position, power is supplied
Ithrough 7.5A fuse [No. 11, located in the fuse block (J/B)]
Ito the rear window defogger relay terminal 1, and
Ito smart entrance control unit terminal 33.
Ground is supplied
Ito terminal 1 of the rear window defogger switch
Ithrough body grounds M4, M66 and M147(with navigation system),
Ito terminal 32 of the A/C auto amp.
Ithrough body grounds M4, M66 and M147 (without navigation system), or
Ito smart entrance control unit terminal 16
Ithrough body grounds M77 and M111.
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
REAR WINDOW DEFOGGER
Component Parts and Harness Connector Location
EL-151

When the rear window defogger switch is turned ON, ground is supplied
Ithrough terminal 2 of the rear window defogger switch (with navigation system), or
Ithrough terminal 31 of A/C auto amp. (without navigation system)
Ito smart entrance control unit terminal 39.
Terminal 2 of the smart entrance control unit then supplies ground to the rear window defogger relay termi-
nal 2.
With power and ground supplied, the rear window defogger relay is energized.
Power is supplied
Ithrough terminals 5 and 7 of the rear window defogger relay
Ito the rear window defogger.
The rear window defogger has an independent ground.
With power and ground supplied, the rear window defogger filaments heat and defog the rear window.
When the system is activated, the rear window defogger indicator illuminates in the rear window defogger
switch.
Power is supplied
Ito terminal 3 of the rear window defogger switch (with navigation system), or
Ito terminal 30 of the A/C auto amp. (without navigation system)
Ifrom terminal 7 of the rear window defogger relay.
Terminal 4 of the rear window defogger switch (with navigation system) or terminal 32 of the A/C auto amp.
(without navigation system), is grounded through body grounds M4, M66 and M147.
REAR WINDOW DEFOGGER
System Description (Cont'd)
EL-152

Wiring Diagram Ð DEF ÐNBEL0074
MEL815L
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
REAR WINDOW DEFOGGER
Wiring Diagram Ð DEF Ð
EL-153

MEL816L
REAR WINDOW DEFOGGER
Wiring Diagram Ð DEF Ð (Cont'd)
EL-154

Trouble DiagnosesNBEL0075DIAGNOSTIC PROCEDURENBEL0075S01SYMPTOM: Rear window defogger does not activate, or does
not go off after activating.
1 CHECK REAR WINDOW DEFOGGER OUTPUT SIGNAL
1. Turn ignition switch to ON position.
2. Check voltage between smart entrance control unit harness terminal 2 and ground.
SEL384X
OK or NG
OK©Check the following.
IRear window defogger relay
(Refer to EL-157.)
IRear window defogger circuit
IRear window defogger filament
(Refer to EL-157.)
NG©GO TO 2.
2 CHECK DEFOGGER RELAY COIL SIDE CIRCUIT
1. Disconnect smart entrance control unit connector.
2. Turn ignition switch to ON position.
3. Check voltage between smart entrance control unit terminal 2 and ground.
SEL385X
OK or NG
OK©GO TO 3.
NG©Check the following.
I7.5A fuse [No. 11, located in the fuse block (J/B)]
IRear window defogger relay
IHarness for open or short between rear window defogger relay and smart entrance
control unit
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
REAR WINDOW DEFOGGER
Trouble Diagnoses
EL-155