Pontiac Fiero 1988 Service Manual page 1093

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WIPER/WASHER
(Continued from previous page)
A : W I P E R / W A S H E R C O N T R O L
B A T T E R Y V O L T A G E T E S T
Measure: VOLTAGE
At: WIPER/WASHER
CONTROL
CONNECTOR
C207 (Disconnected)
Condition:
• Ignition Switch:
ACCY
Measure
Between
Correct
Voltage
Foi Diagnosis
D (WHT) &
Ground
Battery
Seel
® If voltage is correct, do Test B.
1. Check WIPER Fuse and WHT (93) wire
for an open.
B: WIPER M O T O R INPUT V O L T A G E
T E S T
Measure: VOLTAGE
At: WIPER MOTOR CONNECTOR
(Disconnected)
Conditions:
• Ignition Switch: A C C Y
• Wiper
Switch: LO &
MIST
Measure
Between
Correct
Voltage
For Diagnosis
C(GRY)&
Ground
Battery
Seel
• Wiper Switch: HI
D(PPL)&
Ground
Battery
See 2
Continued from previous column)
Wiper Switch: OFF
B(ORN)&
Ground
0 Volts
See 3
• Wiper Switch: OFF, LO, & HI
A (WHT) &
Ground
Battery
See 4
3.
If all voltages are correct, but the Wiper
Motor does not operate normally, remove
the Wiper Motor for repair. See Section
8E for diagnostic procedures.
Check GRY (91) wire for an open. Check
that connectors C207 and C100 are cor-
rectly mated. If wire and connectors are
OK, replace the Wiper/Washer Control.
Check PPL (92) wire for an open. Check
that connectors C207 and C100 are prop-
erly mated. If wire and connectors are
OK, replace the Wiper/Washer Control.
Check ORN (98) wire for an open. Check
that connectors C207 and C100 are prop-
erly mated. If wire and connectors are
OK, replace the Wiper/Washer Control.
Check WHT (93) wire for an open. If OK,
check the WIPER Fuse.
C: WASHER PUMP VOLTAGE T E S T
Measure: VOLTAGE
At: WASHER PUMP CONNECTOR
(Disconnected)
Conditions:
• Ignition Switch: A C C Y
• Wiper Switch: OFF, HI, or LO
• Washer Switch: ON
m
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Measure
Between
A(PNK)&
Ground
A(PNK)&B
(BLK)
Correct
Voltage
Battery
Battery
For Diagnosis
Seel
See 2
If all voltages are correct, replace the
Washer Pump.
Check that connectors C207 and C100 are
properly mated. Check PNK (94) wire for
an open. If OK, replace the Wiper/Washer
Control.
Check BLK (150) wire for an open. Check
that ground G201 is clean and tight.
(Continued in next column)
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