Pontiac Fiero 1988 Service Manual page 457

6 E 2 - A - 2 D R I V E A B I L I T Y A N D E M I S S I O N S - F U E L I N J E C T I O N ( T B I )
P' SERIES
RPO:LR8
VINCODE: R
2.5L
L 4 TBI
C6
C3
(UNDER L. F.
HEADLIGHT)
C2
CI
C8
^Jsx
• C O M P U T E R H A R N E S S
C1 Electronic c o n t r o l m o d u l e (ECM)
C2 ALDL diagnostic c o n n e c t o r
C3 "SERVICE ENGINE S O O N " light
C4 ECM power
C5 ECM harness g r o u n d
C6 Fuse panel
C8 Fuel p u m p t e s t
( t e r m i n a l " G " o f ALDL)
N O T E C M C O N N E C T E D
N1 Crankcase v e n t v a l v e (PCV)
N17 Fuel v a p o r canister
0 CONTROLLED DEVICES
1 Fuel injector
2 Idle air c o n t r o l v a l v e
3 Fuel p u m p relay
8 Engine f a n relay
(located under l e f t f r o n t h e a d l i g h t )
13 A/C compressor relay
14 Direct i g n i t i o n system assembly
Exhaust gas recirculation v a l v e
O INFORMATION SENSORS
A M a n i f o l d a b s o l u t e pressure
(located o n air cleaner)
B Exhaust o x y g e n
C T h r o t t l e p o s i t i o n
D Coolant t e m p e r a t u r e
F Vehicle speed (PM g e n e r a t o r )
M P/N s w i t c h
T M a n i f o l d air t e m p e r a t u r e
4-22 87
5S2122-6E
Figure A 1 Component Locations, 2 5 L " P " Series