|
|
|
24-8
ENGINE CONTROLS: 5.3L
DK GRN/
WHT
0.35
ENG 1
Fuse 26
10A
HOT IN RUN AND START
FUSE
BLOCK –
UNDERHOOD
Connector
C1
B5
PNK
0.35
POWERTRAIN
CONTROL
MODULE
(PCM)
Connector
C6
ORN
0.35
31
C2
C
E
57
Low
reference
YEL
0.35
BLK
0.35
A
A
EVAPORATIVE
EMISSION
(EVAP)
CANISTER
PURGE
SOLENOID
B
EVAPORATIVE
EMISSION
(EVAP)
CANISTER
VENT
SOLENOID
Connector
A
B
WHT
0.35
F4
WHT
0.35
B9
C3
34
WHT
0.35
45
WHT
0.35
Evap
canister
vent
solenoid
control
Evap
canister
purge
solenoid
control
HOT AT ALL TIMES
CANISTER
Fuse 15
10A
POWER-
TRAIN
CONTROL
MODULE
(PCM)
Connector
25
TAN
0.35
B
C2
BLK
0.35
G108
See Ground
Distribution,
page 14-3.
BLK
3
D
PNK
0.35
C3
A5
(Not
used)
MAF
sensor
signal
MASS
AIR FLOW (MAF)
SENSOR/
INTAKE AIR
TEMPERATURE
(IAT)
Connector
IAT
sensor
signal
Circuit Schematic
24-9
ENGINE CONTROLS: 5.3L
O2A
Fuse 53
15A
HOT IN RUN AND START
FUSE
BLOCK –
UNDERHOOD
Connector
C1
C2
HO2S
low
signal–
bank 1
sensor 1
C
72
HO2S
heater
low
control–
bank 1
sensor 1
PNK
0.8
69
29
POWERTRAIN
CONTROL
MODULE
(PCM)
Connector
HO2S
high
signal–
bank 1
sensor 1
HEATED
OXYGEN
SENSOR
(HO2S)
BANK 1
SENSOR 1
Connector
A
B
HO2S
low
signal–
bank 2
sensor 1
C
74
HO2S
heater
low
control–
bank 2
sensor 1
D
66
26
HO2S
high
signal–
bank 2
sensor 1
HEATED
OXYGEN
SENSOR
(HO2S)
BANK 2
SENSOR 1
Connector
A
B
C1
PNK
0.8
LT GRN
0.8
TAN
0.8
PPL
0.8
PPL/WHT
0.8
TAN
0.8
BLK/WHT
0.8
Heater
ground–
HO2S
bank 1
sensor 1
Heater
ground–
HO2S
bank 2
sensor 1
24
64
C1
BLK
0.8
BLK
0.8
G108
C2
C1
C2
D
See Ground
Distribution,
page 14-3.
BLK
3
Circuit Schematic
24-10
ENGINE CONTROLS: 5.3L
BRN
0.8
RED/
WHT
0.8
O2B
Fuse 54
15A
HOT IN RUN AND START
FUSE
BLOCK –
UNDERHOOD
Connector
C1
A2
HO2S
low
signal–
bank 1
sensor 2
C
52
HO2S
heater
low
control–
bank 1
sensor 2
PNK
0.8
68
28
POWERTRAIN
CONTROL
MODULE
(PCM)
Connector
HO2S
high
signal–
bank 1
sensor 2
HEATED
OXYGEN
SENSOR
(HO2S)
BANK 1
SENSOR 2
Connector
A
B
HO2S
low
signal–
bank 2
sensor 2
C
53
HO2S
heater
low
control–
bank 2
sensor 2
D
65
25
HO2S
high
signal–
bank 2
sensor 2
HEATED
OXYGEN
SENSOR
(HO2S)
BANK 2
SENSOR 2
Connector
A
B
C1
PNK
0.8
TAN
0.8
PPL
0.8
PPL/
WHT
0.8
TAN/
WHT
0.8
Heater
ground–
HO2S
bank 1
sensor 2
Heater
ground–
HO2S
bank 2
sensor 2
27
67
C1
BLK
0.8
BLK
0.8
G108
C2
C1
C2
See Ground
Distribution,
page 14-3.
D
BLK
3
Circuit Schematic
24-11
ENGINE CONTROLS: 5.3L
20
21
49
50
C2
1
B1
2
VEHICLE
SPEED
SENSOR
(VSS)
(2WD)
(4WD)
Connector
ELECTRONIC
BRAKE
CONTROL
MODULE
(EBCM)
Connector
INSTRUMENT
PANEL
CLUSTER
(IPC)
Connector
LT GRN/BLK
0.35
YEL/BLK
0.35
DK GRN/WHT
0.35
1
2
C2
B9
PPL/WHT
0.35
Vehicle
speed
signal
Vehicle
speed
signal
C2
C101
Connector
LT GRN/BLK
0.35
YEL/BLK
0.35
PPL/WHT
0.35
VSS
low
signal
VSS
high
signal
Vehicle
speed
signal
Vehicle
speed
signal
C2
C310
Connector
POWERTRAIN
CONTROL
MODULE
(PCM)
Connector
Twisted
Twisted
A
B
4WD
only
Circuit Schematic
|
|
|