Hummer H1 Service Manual page 1089

24 PCM/Tech 1 Scan Tool
A
5 VOLT
REFERENCE
PUMP CAM
C3
C5
C27-D14 C29-A4 C29-A2
5 VOLT
REFERENCE
_____________________________________________________
E
HIGH
SENSOR RESOLUTION SENSOR
SIGNAL SIGNAL GROUND
B C D F
B8 C1
C27-D9
CAM HIGH
SENSOR RES
SIGNAL SIGNAL
OPTICAL/ FUEL
TEMP SENSOR
C12 C2
C27-C8
C29
SENSOR FUEL TEMP
GROUND SIGNAL
INJECTION TIMING
STEPPEN MOTOR (ITS)
M
D A B
A3 A2
A7 A8 A9
ITS ITS ITS
HI LO LO
POWERTRAIN
®
C
A6 A7
A10
ITS
HI
CONTROL
MODULE
9-S12-070