S0607080K
Page 15
Transmission and Torque Converter
(ZF 4WG-310)
TCU (TRANSMISSION CONTROL UNIT)
1. Sending a control signal transmitted from
the shift lever to the control valve,
generates a speed.
2. At the auto mode, transmits the appreciate
signals to the control valves according to
the load and engine rpm.
3. Detecting a fault, controls various
clutches.
Reference
Number
Description
1 Transmission Control Unit
(TCU)
2 Transmission Control Valve
3 Transmission Oil Temperature
Sensor
4 Engine Pick-Up Sensor
5 Central Gear Pick-up Sensor
6 Turbine Pick-up Sensor
7 Output Speed Sensor
8 Shift Lever Switch
9 Auto Select Switch
10 Display
11 Transmission Cutoff Switch
12 Transmission Cutoff Pressure
Switch
13 Downshift Switch
14 Safety Starter Switch
15 Fuse Box
16 Parking Brake Switch
17 Control Unit
18 Starter Controller
19 LIS Switch (Option)
20 LIS Solenoid Valve
21 Speedometer
Reference
Number
Description
AJS0200L
Figure 6
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