Pontiac Fiero 1988 Service Manual page 458

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 ) 6 E 2 - A - 3
ORN 461
B A
M
ALDL CONNECTOR
0 ^ &
WHT/BLK 451
• BLK/WHT450
ENGINE GND
= ^ ENGINE GNDS
OXYGEN SENSOR
IGN.-
COOLANT
TEMPERATURE
SENSOR
THROTTLE
POSITION
SENSOR
B B
j
C
A A
MAP
SENSOR
MANIFOLD
AIR TEMP.
SENSOR
IAC
VALVE
i.p.
BUFFER
* THIS WIRE MAY ALSO HAVE TRACER COLOR.
TAN 413 -
PPL 412 -
DK GRN 389 -
YEL410
BLK452
DK BLU417
— GRY416
LT GRN 432 -
BLK469 *
TAN 472 -
p m n r \ _
D
C
G u u u u —
\
B |
A
LT BLU/WHT 441
LT BLU/BLK 442
LT GRN/WHT443
LT GRN/BLK 444
B1
B15
W12
W13
B23
B2
ECM
SERIAL DATA
DIAGNOSTIC TEST
SYSTEM GND
SYSTEM GND
OXYGEN SENSOR
GROUND
OXYGEN SENSOR
SIGNAL
W 2 3
B8
B12
B19
W 1 1
B20
W 1 4
B5
VEHICLE SPEED
SIGNAL
COOLANT TEMP.
SIGNAL
SENSOR GROUND
TPS SIGNAL
+ 5VREF.
MAP SIGNAL
SENSOR GROUND
MAT SIGNAL
IAC COIL "A" HI
IAC COIL "A" LO
IAC COIL "B" HI
IAC COIL "B" LO
WHITE
W 1 2 W 1 3
24
PIN
CONNECTOR
BLACK
B24
24 PIN
CONNECTOR
11-20-86
* 7 S 3946-6E
Figure A-2 Wiring Diagram 2.5L "P" Series (1 of 3 )