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PCS 4LHD User Manual
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Page 18
Ph: 804.227.3023
1051
1 Old Ridge Rd.
Ashland, V
A 23005
4LH
D/4LH
DX Appl
ication Manual
Powertrain Control Solutions
REV 1.1
Figure 1.5.2-2: T
ransmission Electrical Schematic
SHIFT
SOLENOID A
V
AL
VE BODY
TRANSMISSION
E
A
T
E
A
E
A
B
T
R
R
B
T
R
B
S
S
S
‰
‰
A
B
SHIFT
SOLENOID B
TCC ENABLE
SOLENOID
(ON/OFF)
P1
OUTPUT
SPEED
SENSOR
TURBINE
SPEED
SENSOR
S2
‰
‰
B
P
U
U
U
TCC CONTROL
PWM SOLENOID
FORWARD
CLUTCH
SOLENOID
REVERSE
CLUTCH
SOLENOID
VEHICLE
CONNECTOR
D
M
G
H
J
N
K
V
D
M
G
H
J
N
K
V
J
N
K
V
C
C
L
L
F
F
D
M
G
H
C
L
F
PRESSURE
TEMP
SENSOR
Internal
Mode
Switch
CONTROL
SOLENOID
S1
A
C
➤
22
24
Table of Contents
Default Chapter
3
Table of Contents
3
Section 1: Transmission Specifications and Attributes
6
Section 1.1 General Description
6
Section 1.1.1 Identification
7
Section 1.1.2 Feature Locations
8
Section 1.2 Physical Specifications
9
Section 1.2.1 Mass Properties
9
Section 1.1.3 Gear Ratios
9
Section 1.2.2 Driveline Lengths
10
Section 1.2.3 Center of Gravity
11
Section 1.2.4 Inertia Properties
12
Section 1.2.4 Gross Vehicle Weight (GVW)
12
Section 1.2.3 Center of Gravity
12
Section 1.3 Maximum Performance Limitations
13
Section 1.3.1 Torque Limitations
13
Section 1.3.2 RPM Limitations
14
Section 1.3.3 Acceleration Limitations
14
Section 1.3.4 Temperature Limitations
15
Section 1.3.5 Grade Limitations
16
Section 1.4 Valvebody Features and Specifcations
17
Section 1.4.1 Abuse Protection
17
Section 1.4.2 Neutral Idle
17
Section 1.4.3 Electronic Range
17
Section 1.4.4 Inching Mode
17
Section 1.5 Electrical Specifications
18
Section 2.1 Transmission Input
20
Section 1.5.2 Internal Wiring
22
Section 2: Transmission to Vehicle Interfaces
24
Section 2.1 Transmission Input
25
Section 2.1.1 Torque Converters
25
Section 2.1.2 Flexplate
26
Section 2.1.3 Flywheel Interface
31
Section 2.1.4 Bellhousing to Flywheel Housing Interface
32
Section 2.2 Transmission Output
37
Section 2.2.1 Lubrication and Sealing
37
Section 2.2.2 Output Shaft Requirements
37
Section 2.2.3 Extension Housings
38
Section 2.2 Transmission Output
38
Section 2.3 Transmission Cooling
46
Section 2.3.1 Cooling System Overview
46
Section 2.3.2 Cooler Requirements
47
Section 2.3.3 Cooler Lines
47
Section 2.3.4 Dipstick
49
Section 2.3.5 Overflow Vent
50
Section 2.3.6 Fluid Capacity
51
Section 2.3.7 Check Fluid Level
51
Section 2.3.8 Fluid Change
54
Section 2.4 Transmission Shift Lever
59
Section 2.4.1 Shaft Specs
60
Section 2.4.2 Lever Specs
61
Section 2.4 Transmission Shift Lever
62
Section 2.4.3 Electronic Range
65
Section 2.4.3 Electronic Range
66
Section 2.5 TCM Interface
67
Section 2.5.1 TCM Overview
67
Section 2.5.2 Vehicle Electrical Interface and Diagnostics
69
Section 2.5.3 Harness Overview
73
Section 2.6 Throttle Position Sensor
74
Section 3 Production Line Procedures
77
Section 3.1 Assembly Procedures
77
Section 3.1.1 Storage Requirements
77
Section 3.1.2 Handling Requirements
77
Section 3.1.3 Assembly Requirements
78
Section 3.2 End-Of-Line Inspection Procedures
79
Section 2.6 Throttle Position Sensor
79
Section 3.2.3 Stationary Engine-Running Checks
80
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PCS 4LHD Specifications
General
Brand
PCS
Model
4LHD
Category
Microphone system
Language
English
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