Pontiac Fiero 1988 Service Manual page 1132

POWER WINDOWS: A31
TROUBLESHOOTING HINTS
• Try the following check before doing the Sys-
tem Check.
If no windows operate, check the BLK (150)
wire and ground G301 by operating the
Power Mirrors (if equipped).
• 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
Operate the LH
Front Window UP
and DN from the LH
Front Power
Window Switch
LH Front Window
operates quietly and
smoothly, with no
sticking
Operate the RH
Front Window UP
and DN from the
RH Front Power
Window Switch
RH Front Window
operates quietly and
smoothly, with no
sticking.
• Refer to System Diagnosis when'a result is not
normal.
COMPONENT LOCATION
Page-Figure
Fuse Block Behind LH side of I/P 201- 6-D
Window Motors In lower front of each door. 201-12-A
C200 (16 cavities) LH shroud ahead of center access hole 201- 6-D
C307 (8 cavities) Near center of LH shroud 201-12-C
C308 (8 cavities) Near center of RH shroud 201-12-D
G301 . . . . . . . On upper RH shroud 201-12-D
S301 Crosscar harness, under console 201-12-B
S314 Crosscar harness, under console 201-12-B
SYSTEM DIAGNOSIS
• Do the tests listed for your symptom in the
Symptom Table below, or when directed by
the System Check.
• Tests follow the Symptom Table.
SYMPTOM TABLE
No Power Windows
operate
A: LH Front Power
Window Switch
Test
B: RH Front Power
Window Switch
Test
C: Window Motor
Test
LH Front Power
Window does not
operate
A: LH Front Power
Window Switch
Test
C: Window Motor
Test
RH Front Power
Window does not
operate
B: RH Front Power
Window Switch
Test
C: Window Motor
Test
A: LH FRONT POWER WINDOW
SWITCH TEST
Connect: TEST
L A M P
At:
LH
FRONT POWER WINDOW
SWITCH
CONNECTOR (Connected)
Condition:
• Ignition Switch: RUN
Connect
Between
Correct Result For Diagnosis
A(PNK)&
Ground
Test Lamp
Lights
Seel
A(PNK)&D
(BLK)
Test Lamp
Lights
See 2
• Operate LH Front Power Window Switch
UPandDN
(Continued on next page)