Pontiac Fiero 1988 Service Manual page 997

14 VIN
R
AND V S VIN
9
L4V1NR
TROUBLESHOOTING HINTS
• Try the following checks before doing the
System Check.
1.
Check F A N E Fuse and
Fusible
Link A if the
Coolant Fan does not run.
2.
If Coolant
Fan
operates with
Ignition
Switch
in
OFF, replace the
Coolant
Fan Relay.
3. Check ground G201 by operating the Radio.
4. Check ground G101 by operating the Front
Park/Turn Lights.
• Go to System Check for a guide to normal
operation.
© Go to System Diagnosis for diagnostic tests.
V6 VIN 9
TROUBLESHOOTING HINTS
• Try the following checks before doing the
System Check.
1. Check FAN E Fuse and Fusible Link A if the
Coolant Fan does not run.
2. Check ground G101 by operating the Front
Park/Turn Lights.
3. If the Coolant Fan runs with the Ignition
Switch OFF, replace the Coolant Fan Relay.
• Go to System Check for a guide to normal
operation.
• Go to System Diagnoses for diagnostic tests.
COMPONENT LOCATION
Page-Figure
Assembly Line Diagnostic Link
(ALDL) Connector In console, near rear of shifter .. 201- 5-B
Coolant Fan A/C Pressure Switch . .. RH front of engine, on rear of A/C compressor... 201- 4-D
Coolant Fan Relay LH front corner of front compartment 201- 3-D
Coolant Temperature Sensor (VIN R) Top LH rear of engine 201- 2-B
Coolant Temperature Switch (VIN 9) Top RH side of engine, on intake manifold...... 201- 3-C
Electronic Control Module (ECM)... Between seats, on front of rear bulkhead 201- 5-B
Fuse Block Behind LH side of I/P 201- 6-D
Fusible Link A RH front of engine compartment, at Battery
Junction Block 201- 4-A
C100 (34 cavities) LH side of front bulkhead, right of brake master
cylinder 201-13-A
C500 (34 cavities) Engine compartment, near battery. 201- 4-A
G101
On L H
fender,
below
headlamp
201-11-C
G201 Behind center of I/P 201- 6-C
S100 Forward lamp harness, behind LH headlights .. . 201-11-C
S206 Main harness, above LH side of steering column. 201- 8-F
S212 Main harness, behind center of dash 201- 6-C
S215 Main harness, behind I/P, near front of console .. 201-15-A
S502 Engine harness, lower RH front of engine 201- 3-B
S508 (VIN R) Engine harness, under rear console. 201- 5-A
L4
VIN R A N D
V 6
VIN
9
S Y S T E M CHECK
• Use the System Check Table as a guide to
normal operation.
• Refer to System Diagnosis for a list of
symptoms and diagnostic steps.