1988 PONTIAC FIERO relay

MULTI-PORT FUEL INJECTION: V6 VIN S
COMPONENT LOCATION
AIC Compressor Control Relay ..... LH rear corner of engine compartment, on relay
................................. bracket
AIR Select Valve (VIN S)
.......... Lower RN side of engine, behind AIR pump
Assembly Line Diagnostic Link
(ALDL) Connector
.............. On bottom of IIP hush panel, to right of steering
column
Brake Switch.
................... Above brake pedal, on brake pedal support .....
Canister Purge Solenoid Valve (VIN
............................ .. S) Lower RH front
corner of engine compartment
Cold Start Injector (VIN S)
........ Top LH rear of engine ......................
Cold Start Switch (VIN S) ......... Top of engine
Coolant Temperature Sensor (VIN S) Top LN front of intake manifold.
.............
Electronic Control Module (ECM) ... Behind RH side of IIP ......................
Electronic Spark Timing (EST)
......................... Distributor (VIN S) ............. Top rear of engine.
Electronic Vacuum Regulator Valve
(EVRV)
....................... TopRHrearofengine ......................
Fan Pressure Switch (VIN S) ....... Lower RH front of engine compartment, on AIC
line ....................................
Fuel Injectors ................... Top of engine, at each intake cylinder
Fuel Pump In-Line Fuse.
.......... RH side of engine compartment, on inner fender
panel
...................................
Fuel Pump Relay (VIN S) .......... LH rear corner of engine compartment, on relay
................................. bracket
Fuel Pump Switch (VIN S)
......... Lower LH side of engine ....................
Fuel Tank Unit .................. Top center of fuel tank ......................
Fuse Block. ..................... Behind LH side of IIP, below light switch. ......
Gear Selector Switch ............. In console, at base of gear selector ............
Idle Air Control Stepper Motor (VIN
S)
............................ Topcenterofengine ........................
Ignition Coil (VIN S). ............. Rear RH side of engine. .....................
Ignition Switch. ................. Behind IIP, on top side of steering column ......
Manifold Air Temperature (MAT)
................. Sensor (VIN S) RH front of engine compartment, on air cleaner
............................... assembly. Page-Figure

COMPONENT LOCATION Page-Figure
Mass Air Flow (MAF) Relay (VIN
S) . Front of engine compartment. on RH side of
radiator bracket
..........................
Mass Air Flow (MAF) Sensor (VIN S)
Front of engine compartment. on rear of
air ..............................
cleaner ..................................
Mass Air Flow In-Line Fuse ........ RH side of engine compartment. on inner fender
panel
...................................
Oxygen Sensor (VIN S) ........... Lower RH rear of engine. on exhaust manifold ..
Power Steering Switch ............ Lower LH front corner of engine compartment.
on steering unit
..........................
Throttle Position Sensor (VIN S) .... Top center of engine ........................
Vehicle Speed Sensor Buffer ....... Behind RW side of IIP. near ECM .............
.. ................ ClOO (42 cavities) LH front of dash. left of brake master cylinder
...... ............ C113 (1 cavity) (VIN S) Taped
to engine harness. RH front of dash
... ............ C114 (1 cavity) (VIN S) Taped to engine harness. above rear of engine
............ ................. C143 (1 cavity) (VIN S) Lower rear RH side of engine
.............. C204 (4 cavities) ................. Above LR rear corner of engine
............. C207 (15 cavities) ................ Behind RH side of IIP. near ECM
......................... C222 (4 cavities) ................. Top front of engine
.................... ................. C313 (3 cavities) Below center of back seat
.................... 6112 (VIN S) .................... Rear of LW cylinder head
.................... 6118 (VIN S) .................... Rear of RH cylinder head
6123
.......................... RH front corner of engine compartment. on inner
............................. fenderpanel
............ .......................... 6200 Behind IIP. left of steering column
6304
.......................... Under rear seat. on support bracket
....... .................... S104 (VIN S) Engine harness. lower RH side of engine
....... S142 (VIN S) .................... Engine harness. lower RH side of engine
........... S143 (VIN S) .................... Engine harness. center front of dash
.......... S145 (VIN S) .................... Engine harness. above rear of engine
.................... S146 (VIN S) Engine harness. behind RH side of IIP
S164 ........................... IIPharness. aboveFuseBlock ................
....... S166 (VIN S) .................... Engine harness. lower RH side of engine
S167
........................... Engine harness. behind RH side of IIP
............ S168 (VIN S) .................... Engine harness. top rear of engine
S169
........................... Engine harness. behind RN side of IIP
S170 ........................... Engine harness. behind RH side of IIP

'UNED PORT INJECTION: V8 VIN F
MASS AIR FLOW SENSOR AND BURN-OFF RELAY

COMPONENT LOCATION Page-Figure
AIR Diverter Valve (VIN F) (VIN 8)
. RN front of engine, on valve cover ............ 201- 6-A
AIR Select Valve (VIN F) (VIN 8)
... RN front of engine, on valve cover ............ 201- 6-A
Assembly Line Diagnostic Link
(ALDL) Connector
.............. On bottom of IIP hush panel, to right of steering
column
Brake Switch.
................... Above brake pedal, on brake pedal support ..... 201- 9-A
Bum-Off Relay
.................. LN rear comer of engine compartment, on relay
bracket
................................. 201- 7-A
Canister Purge Solenoid Valve (VIN
F) (VIN 8)
..................... Lower RN front corner of engine compartment .. 201- 5-A
Cold Start Injector (VIN F) (VIN 8).
. Top LH side of engine ...................... 201- 7-A
.. ....................... Cold Start Switch (VIN F) (VIN 8). Top center of engine. 201- 8-6
Coolant
Temperature Sensor (VIN F)
..................... (VIN 8). ....................... Top LN front of engine. 201- 8-C
Detonation Sensor (VIN F) (VIN 8)
. . Lower RN side of engine, above Starter Solenoid 201- 5-A
EGR Vacuum Sensor Diagnostic
......................... Connector ..................... Top rear of engine. 201-
4-E
Electronic Control Module (ECM)
... Behind RN side of IIP ...................... 201-1243
Electronic Spark Control (ESC)
Module (VIN F) (VIN 8)
.......... LN rear corner of engine compartment, on relay
............................... bracket.. 201- 7-A
Electronic Spark Timing (EST)
Distributor (VIN
F) (VIN 8). ...... Top rear of engine. ......................... 201- 5-A
Exhaust Gas Recirculation (EGR)
Solenoid (VIN
F) (VIN 8) ......... Top RN rear of intake manifold. .............. 201- 5-A
Fuel Injectors
................... Top of engine, at each intake cylinder
Fuel Pump Relay (VIN
F) (VIN 8) ... LN rear corner of engine compartment, on relay
bracket
................................. 201- 7-A
Fuel Pump Switch (VIN
F) (VIN 8) .. Lower LN side of engine .................... 201- 8-A
Fuel Tank Unit
.................. Top center of fuel tank ...................... 201- 9-C
Fuse Block.
..................... Behind LH side of IIP, below light switch. ...... 201-10-A
Gear Selector Switch
............. In console, at base of gear selector ............ 201-11-E
Idle Air Control Stepper Motor (VIN
F) (VIN 8)
..................... Top LN front of engine. ..................... 201- 8-C
Ignition Coil (VIN
F)(VIN 8) ....... RN rear side of engine ...................... 201- 7-B
Ignition Switch.
................. Behind IIP, on top side of steering column ...... 201- 9-A

TUNED PORT INJECTION: V8 VIN F
COMPONENT LOCATION Page-Figure
In-Line Fuse (VIN
F)(VIN 8) ....... On LN side of radiator support, forward of
battery..
............................... 201- 5-C
Manifold
Air Temperature (MAT)
Sensor (VIN
F) (VIN 8). .......... Top of intake manifold
Mass Air Flow (MAF) Relay (VIN F)
(VIN 8). ....................... LN rear corner of engine compartment, on relay
bracket
................................. 201- 7-A
Mass Air Flow (MAF) Sensor (VIN F)
(VIN 8).
....................... Front of engine compartment, on rear of air
cleaner.
................................. 201- 5-A
Oxygen Sensor (VIN
F) (VIN 8). .... Lower LH side of engine, on exhaust manifold
Throttle Position Sensor (VIN F)
(VIN 8).
....................... Top center of engine. ....................... 201- 8-6
............. Vehicle Speed Sensor Buffer ....... Behind RH side of IIP, near ECM 201-13-A
C100 (42
cavities) ................ LN front of dash, left of brake master cylinder .. 201- 0-A
ell3 (1 cavity) (VIN F) (VIN 8) ..... Taped to engine harness, RH front of dash. ..... 201- 5-A
C114 (1 cavity) (VIN F) (VIN 8) ..... Taped to engine harness, above rear of engine ... 201- 7-B
el43 (1 cavity) (VIN F) (VIN 8) ..... Lower LH side of engine, below exhaust manifold
....................................... 201- 8-A
6172 (2 cavities) ................. Top rear of engine. ......................... 201- 4-E
C207 (15 cavities) ................ Behind RH side of IIP, near ECM ............. 201-13-A
C313 (3 cavities)
................. Below center of back seat. ................... 201- 9-C
6112 (VIN F) (VIN 8)
............. Rear of LH cylinder head. ................... 201- 7-C
6118 (VIN F) (VIN 8) ............. Rear of RH cylinder head. ................... 201- 5-A
............ 6200 .......................... Behind IIP, left of steering column 201-10-A
6304
.......................... Under rear seat, on support bracket
S142 (VIN F) (VIN 8)
............. Engine harness, behind RH side of IIP
S143 (VIN F) (VIN 8) ............. Engine harness, RH front of dash. ............ 201- 6-A
S145 (VIN F) (VIN 8)
............. Engine harness, above LN rear of engine. ...... 201- 7-A
S146 (VIN
F) (VIN 8) ............. Engine harness, behind RN side of IIP
S158. .......................... Engine harness, behind RH side of IIP
S162. .......................... Engine harness, LH rear corner of engine
compartment
............................ 201- 7-A
S164. .......................... IIP harness, above Fuse Block. ............... 201-10-A
S166 (VIN F) (VIN 8)
............. Engine harness, above LH rear of engine. ...... 201- 7-A
S168 (VIN F) (VIN 8) ............. Engine harness, RM front of dash. ............ 201- 6-A
S171. .......................... Engine harness, RH front of dash. ............ 201- 6-A

THROTTLE BODY INJECTION: V8 VIN E
COMPONENT LOCATION Page-Figure
AIR Diverter Valve (VIN E)
....... RH front of engine .........................
AIR Select Valve (VIN E) ......... RH front of engine .........................
Assembly Line Diagnostic Link
(ALDL) Connector
.............. On bottom of IIP hush panel, to right of steering
column
Brake Switch.
................... Above brake pedal, on brake pedal support .....
Canister Purge Solenoid Valve (VIN
E)
............................ Lower LH front corner of engine compartment ..
Coolant Temperature Sensor (VIN E) Top LH front of engine. .....................
Detonation Sensor (VIN E) ........ Lower RK side of engine, ahead of Starter
Solenoid
................................
Electronic Control Module (ECM) ... Behind RH side of IIP ......................
Electronic Spark Control (ESC)
Module (VIN E)
................ LH rear corner of engine compartment, on relay
................................. bracket
Electronic Spark Timing (EST)
Distributor (VIN E)
............. Top rear of engine. .........................
Exhaust Gas Recirculation (EGR)
Solenoid (VIN E).
............... Top RH rear of intake manifold. ..............
Fuel Pump Relay (VIN E). ......... LH rear corner of engine compartment, on relay
................................. bracket
Fuel Pump Switch (VIN E).
........ Lower LH rear of engine ....................
Fuel Tank Unit .................. Top center of fuel tank. .....................
Fuse Block. ..................... Behind LH side of IIP, below light switch. ......
Gear Selector Switch ............. In console, at base of gear selector ............
Idle Air Control Stepper Motor (VIN
E)
............................ Topcenterofengine ........................
Ignition Coil (VIN E) ............. Top center rear of engine ....................
Ignition Switch. ................. Behind IIP, on top side of steering column ......
In-Line Fuse (VIN E) ............. RW inner fender panel by battery .............
LW Fuel Injector. ................ Top of throttle body. .......................
Manifold Absolute Pressure (MAP)
Sensor
........................ RH front of dash. ..........................
Manifold Air Temperature (MAT)
Sensor (VIN
E) ................. Top RK rear of engine ......................
Oxygen Sensor (VIN E) ........... Lower LH side of engine, on exhaust manifold
RH Fuel Injector
................ Top of throttle body. .......................

-c MULTI-PORT FUEL INJECTION: V8 VIN 8
MASS AIR FLOW SENSOR AND BURN-OFF RELAY

MULTI-PORT FUEL INJECTION: V8 VIN 8 It
COMPONENT LOCATION Page-Figure
. ............ AIR Diverter Valve (VIN F) (VIN 8)
RN front of engine. on valve cover 201- 6-A
............ AIR Select Valve (VIN F) (VIN 8) ... RW front of engine. on valve cover 201- 6-A
Assembly Line Diagnostic Link
(ALDL) Connector
.............. On bottom of I/P hush panel. to right of steering
column
..... Brake Switch .................... Above brake pedal. on brake pedal support 201- 9-A
Burn-Off Relay
.................. LH rear corner of engine compartment. on relay
bracket
................................. 201- 7-A
Canister Purge Solenoid Valve (VIN
.. F) (VIN 8) ..................... Lower RH front corner of engine compartment 201- 5-A'
.. ...................... Cold Start Injector (VIN F) (VIN 8) Top LH side of engine 201- 7-A
........................ Cold Start Switch (VIN F) (VIN 8) ... Top center of engine 201- 8-6
Coolant Temperature Sensor (VIN F)
...................... (VIN 8) ........................ Top LN front of engine 201- 8-C
Detonation Sensor (VIN F) (VIN 8)
. . Lower RN side of engine. above Starter Solenoid 201- 5-A
EGR Vacuum Sensor Diagnostic
.......................... Connector ..................... Top rear of engine 201- 4-E
...................... Electronic Control Module (ECM) ... Behind RH side of IIP 201-12-B
Electronic Spark Control (ESC)
Module (VIN F) (VIN 8)
.......... LH rear corner of engine compartment. on relay
bracket
................................. 201- 7-A
Electronic Spark Timing (EST)
.......................... Distributor (VIN F) (VIN 8) ....... Top rear of engine 201- 5-A
Exhaust Gas Recirculation (EGR)
............... Solenoid (VIN F) (VIN 8) ......... Top RN rear of intake manifold 201- 5-A
Fuel Injectors
................... Top of engine. at each intake cylinder
Fuel Pump Relay (VIN F) (VIN 8)
... LH rear corner of engine compartment. on relay
bracket
................................. 201- 7-A
.. ................... Fuel Pump Switch (VIN F) (VIN 8)
Lower LH side of engine : 201- 8-A
...................... Fuel Tank Unit .................. Top center of fuel tank 201- 9-C
....... Fuse Block ...................... Behind LH side of IIP. below light switch 201-10-A
............ Gear Selector Switch ............. In console. at base of gear selector 201-11-E
Idle Air Control Stepper Motor (VIN
...................... F) (VIN 8) ..................... Top LN front of engine 201- 8-C
...................... Ignition Coil (VIN F)(VIN 8) ....... RH rear side of engine 201- 7-B
...... Ignition Switch .................. Behind IIP. on top side of steering column 201- 9-A
In-Line Fuse (VIN F)(VIN 8) ....... On LH side of radiator support. forward of
battery
................................. 201- 5-C