1998 NISSAN PICK-UP Repair Manual

DIAGNOSTIC PROCEDURE 2
SYMPTOM: Wiper and washer activate individually but not
in combination.
CHECK WASHER SWITCH INPUT SIG-
NAL.
1) Turn ignition switch to ``OFF''.
2) Disconnect wiper amp. connector.
3) Check harness continuity between
wiper amp. terminal
V6and ground.
OK
cNG
Check harness for open or
short between wiper amp.
terminal
V6and wiper
switch terminal
V18.
Go to DIAGNOSTIC PROCEDURE 1.cNG
Replace wiper amp.
Condition of
washer switchContinuity
OFF No
ON Yes
Wiper Installation and Adjustment
1. Prior to wiper arm installation, turn on wiper switch to oper-
ate wiper motor and then turn it ``OFF'' (Auto Stop).
2. Lift the blade up and then set it down onto glass surface to
set the blade center to clearance ``L
1'' & ``L2'' immediately
before tightening nut.
3. Eject washer fluid. Turn on wiper switch to operate wiper
motor and then turn it ``OFF''.
4. Ensure that wiper blades stop within clearance ``L
1'' & ``L2''.
Clearance ``L
1'': 20 - 30 mm (0.79 - 1.18 in)
Clearance ``L
2'': 20 - 30 mm (0.79 - 1.18 in)
lTighten wiper arm nuts to specified torque.
Front wiper: 12.7 - 17.7 Nzm (1.3 - 1.8 kg-m,
9 - 13 ft-lb)
lBefore reinstalling wiper arm, clean up the pivot area as
illustrated. This will reduce possibility of wiper arm
looseness.
SEL145VB
SEL543TA
SEL024J
.
FRONT WIPER AND WASHER
Trouble Diagnoses (Cont'd)
EL-127

Washer Nozzle Adjustment
lAdjust washer nozzle with suitable tool as shown in the fig-
ure at left.
Adjustable range:  10É
Unit: mm (in)
*1 470 (18.50) *5 60 (2.36)
*2 215 (8.46) *6 225 (8.86)
*3 380 (14.96) *7 255 (10.04)
*4 180 (7.09) *8 460 (18.11)
*: The diameters of these circles are less than 60 mm (2.36 in).
Washer Tube Layout
GEL013-A
SEL544TA
SEL845T
GEL193
FRONT WIPER AND WASHER
EL-128

Wiper Linkage
REMOVAL
1. Remove 4 bolts that secure wiper motor.
2. Detach wiper motor from wiper linkage at ball joint.
3. Remove wiper linkage.
Be careful not to break ball joint rubber boot.
INSTALLATION
lGrease ball joint portion before installation.
1. Installation is the reverse order of removal.
GEL194
FRONT WIPER AND WASHER
EL-129

Wiring Diagram Ð HLC Ð
HEL373A
HEADLAMP WASHER
EL-130

Trouble Diagnoses
HEADLAMP WASHER AMPLIFIER INSPECTION
TABLE
Voltage should be measured between each terminal of head-
lamp washer amplifier harness connector terminal and ground.
Ter-
minal
No.Connections Operated conditionVoltage (V)
(Approximate value)
2Headlamp washer
switchHeadlamp washer
switchON 0V
OFF 12V
3Power source for
amplifierIgnition switch ACC or ON 12V
4Headlamp washer
motorHeadlamp washer
switchON0V
NOTE: Approx.
0.5 sec.
OFF 12V
5 Ground Ð Ð
Washer Tube Layout
Check Valve
GEL231
GEL175
HEADLAMP WASHER
EL-131

Wiring Diagram Ð HORN Ð
HEL941
HORN
EL-132

Wiring Diagram Ð CIGAR Ð
HEL374A
CIGARETTE LIGHTER
EL-133

Wiring Diagram Ð CLOCK Ð
HEL375A
CLOCK
EL-134