Pontiac Fiero 1988 Service Manual page 1092

W I P E R / W A S H E D
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TROUBLESHOOTING HINTS
• Try the following checks before doing the Sys-
tem Check.
1. Check WIPER Fuse by visual inspection.
2. Check that the three Wiper Motor mounting
bolts are clean and tight.
3. Check that the Wiper/Washer Control con-
nector C207 is mated correctly.
4. If the Washer does not operate, check that:
— Washer reservoir if filled.
— Hoses are not pinched or kinked.
— Hoses are correctly attached.
— Nozzles are not clogged.
• Go to System Check for a guide to normal
operation.
• Go to System Diagnosis for diagnostic tests.
SYSTEM CHECK
• Use the System Check Table as a guide to
normal operation.
• Refer to System Diagnosis for a list of symp-
toms and diagnostic steps.
SYSTEM CHECK TABLE
ACTION
NORMAL
OPERATION
Hold Washer Switch
ON for about 1
second
Washer sprays
windshield as long
as Washer Button is
held ON
Wipers run at Low
speed and continue
to run at Low speed
until turned off
manually
(Continued in next column)
COMPONENT LOCATION
Fuse Block Behind LH side of I/P
Washer Pump Front compartment, LH side of washer fluid
reservoir
Wiper Motor Front compartment, center of front bulkhead ..,
C100 (34 cavities) LH side of front bulkhead, right of brake master
cylinder
C207 (7 cavities) Behind dash, near steering column ,
G201 Behind center of I/P. ,
S106 Heater-A/C harness, center of front bulkhead ..,
S212 Main harness, behind center of dash ,
Page-Figure
201- 6-D
201- 9-F
201-10-B
201-13-A
201- 8-F
201- 6-C
201-13-A
201- 6-C
(Continued from previous column)
With Wiper Switch
in HI, hold the
Washer Switch ON
for about 1 second
Same operation as
Low speed wash
except that the
wipers run at High
speed
Move Wiper Switch
to LO
Wipers run
continuously at Low
speed
Move Wiper Switch
to HI
Wipers run
continuously at high
speed
Move Wiper Switch
to OFF
Wipers return to
PARK position at
Low speed
• Refer to System Diagnosis when a result is not
normal.
SYSTEM DIAGNOSIS
• Do the tests listed for your symptom in the
Symptom Table below.
• Tests follow the Symptom Table.
SYMPTOM TABLE
SYMPTOM DO TEST
Wipers do not
operate in any mode
A: Wiper/Washer
Control Battery
Voltage Test
B: Wiper Motor
Input Voltage
Test
Wipers run in Low
speed only (High
speed inoperative)
B: Wiper Motor
Input Voltage
Test
Wipers run in High
speed only (Low
Speed inoperative)
B: Wiper Motor
Input Voltage
Test
Wipers will not shut
off
B: Wiper Motor
Input Voltage
Test
Washer will not
operate
C: Washer Pump
Voltage Test