Pontiac Fiero 1988 Service Manual page 586

DRIVEABILITY AND EMISSIONS - FUEL INJECTION (PORT) 6E3-A-3
24 PIN A-B
CONNECTOR
A A
32
PIN
C-D
CONNECTOR
ECM
SERIAL DATA
DIAGNOSTIC TEST
EGR
CONTROL
EGR DIAGNOSTIC
SWITCH INPUT
OXYGEN SENSOR
SIGNAL
0
2
S E N S O R
GROUND
MAT
SENSOR
MAT & MAP
GROUND
MAP SIGNAL
MAP SIGNAL
5V REFERENCE
TPS SIGNAL
COOLANT AND
TPS GROUND
COOLANT SIGNAL
S Y S T E M
GROUND
DIST. GROUND
EST BYPASS
DIST. REFERENCE
EST
IAC COIL " A " HI
IAC COIL " A " LO
IAC COIL " B " HI
IAC COIL "B" LO
VEHICLE SPEED
SIGNAL
PARK NEUTRAL
SWITCH
GROUND
A8
A9
A4
D8
D7
D6
A11
D13
C11
C12
C14
C13
D12
461 ORN
451 WHT/BLK
- 901 GRY/RED
997 DK GRN
412 PPL
413 TAN
472 TAN
469 BLK/RED
432
416
LTGRN
. GRY -
CIO
A12
B3
0 5
B5
B4
C5
C6
C4
C3
A10
B10
D1
417 DK BLU
452 BLK
410 YEL
450 BLK/WHT
453 BLK/RED
• 424 TAN/BLK
• 430 PPL/WHT
423 WHT
441 LT BLU7WHT
442 LT BLU/BLK
443 LT GRN/WHT
444 LT GRN/BLK
437 BRN
434 ORN/BLK •
450 BLK/WHT
ALDL CONNECTOR
ALDL CONNECTOR
INJ2
—wT\J*-
- E G R
CONTROL
IGN
tNGINE GND.
O X Y G E N
SENSOR
x
ENGINE GND
MANIFOLD AIR
TEMPERATURE
SENSOR
MAP
A
— • 1
B
— • 1
C
— • 1
C
TPS
COOLANT
SENSOR
DISTRIBUTOR
ENGINE GND
~ U J U U J
IAC VALVE
TO I.P. CLUSTER
CONNECTOR
TERM. " H "
P/N SWITCH
(TRANS-MOUNTED)
(A.T.)
6-10-86
* 5 S 1893-6E
Figure A-2 - ECM Wiring Diagram 2.81
"P" Series