Pontiac Fiero 1988 Service Manual page 1071

WARNINGS A N D ALARMS: CHIME
(Continued from previous page)
D: FASTEN BELTS INDICATOR TEST
(Continued from previous column)
Check LT GRN (80) and TAN (159) wires
for a short to ground. If wires are OK,
check that LH Front Door Jamb Switch is
open. If closed, replace it.
Check that Ignition Key Warning Switch is
open. If closed, replace it.
C: F A S T E N B E L T S INPUT T E S T
Connect: TEST LAMP
At: CONVENIENCE CENTER
Conditions:
• Audio
Alarm Module: REMOVED
• Ignition Switch: RUN
• LH
Front
Seatbelt: UNBUCKLED
Connect
Between
Correct
Result
For Diagnosis
; E (PNK/BLK)
& Ground
Test Lamp
lights
Seel
E (PNK/BLK)
& H (BLK)
Test Lamp
lights
See 2
• LH Front Seatbelt: BUCKLED
, E (PNK/BLK)
& H (BLK)
Test Lamp
does not light
See 3
• If all the results are correct, replace th<
Audio Alarm Module.
1. Check the PNK/BLK (39) wire for an open.
2. Check for an open Seatbelt Switch or an
open in the BLK or BLK/WHT (238) wires
or the BLK (150) wires (see schematic).
3. Check that the Seatbelt Switch is open, or
for a short to ground in the BLK (238) wire
(see schematic).
Connect: FUSED JUMPER
At: CONVENIENCE CENTER
Condition:
• Audio Alarm Module: REMOVED
Connect
Between
Correct
Result
For Diagnosis
B(ORN)&F
(YEL)
Fasten Belts
Indicator
lights
Seel
Remove
Jumper
Fasten Belts
Indicator does
not light
See 2
• If the indicator response was correct,
replace the Audio Alarm Module.
1. Check/repair the bulb, the YEL (237) wire,
the BLK (150) wire, and the Instrument
Cluster Printed Circuit for opens.
2. Check the Instrument Cluster Printed Cir-
cuit for a short to Battery.
E: LIGHTS-ON
INPUT
T E S T
Measure: VOLTAGE
At: CONVENIENCE CENTER
Conditions:
• Audio Alarm Module: REMOVED
• Ignition Switch: RUN
• Light Switch: OFF
Measure
Between
Correct
Voltage
For Diagnosis
A (GRY) &
Ground
0 volts Seel
• Dimmer: Maximum Brightness
© Light Switch: PARK or HEAD
A (GRY) &
Ground
Approximately
10 volts Seel
• If both the voltages are correct, replace
the Audio Alarm Module.
1. Check/repair the GRY (8) wire.
F:
PARKING B R A K E
INPUT
T E S T
Connect: SELF-POWERED T E S T LAMP
At: CONVENIENCE CENTER
Conditions:
• Audio Alarm Module: REMOVED
• Parking Brake: APPLIED
Connect
Between
D (TAN/WHT)
& Ground
Correct
Result
Test Lamp
lights
For Diagnosis
Seel
Parking Brake: RELEASED
D (TAN/WHT)
& Ground
Test Lamp
does not light
See 2
If both results are correct, replace the
Audio Alarm Module.
Check the Parking Brake Switch, PPL
(209) wire, and TAN/WHT (33) wire for an
open (see schematic).
Check Parking Brake Switch and In-Line
Diode for shorts. Check PPL (209) and
TAN/WHT (33) wires for shorts to
ground.
(Continued in next column)
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