Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 1730

CONSTRUCTION AND FUNCTION 7A1-17

ATF Thermo Sensor

The ATF thermo sensor detects the ATF temperature in the oil pan and sends signal to the TCM.

The ATF thermo sensor is of the thermister type that the resistance value changes according to the ATF

oil temperature.

The lower is the ATF temperature, the larger is the resistance, and vice versa.

When the ATF temperature exceeds 145

°

C, the TCM lights up the ATF temperature warning lamp in the

meter. When the ATF temperature decreases below 128

°

C, the ATF temperature warning lamp goes out.

The ATF thermo sensor is installed to the lower control valve body and integrated with the harness

assembly.











10.0

100.0

1,000.0

10,000.0

100,000.0

-30 -20 -10

0

10 20 30 40 50 60

70 80 90 100 110 120 130 140 150 160

ATF Temperature (°C)

Resistance (

)

Figure 29. Characteristic of Thermo Sensor

Figure 30. Location of Thermo Sensor

ATF Temperature (

°

C) Resistance

(Approximately)

30

°

C 29,613.7

0

°

C 6,028.0

10

°

C 3,822.1

30

°

C 1,681.7

50

°

C 819.1

100

°

C 117.6

128

°

C 98.3

135

°

C 84.6

145

°

C 68.8

7A1-18 CONSTRUCTION AND FUNCTION

Terminal Assembly

Pin No.

Connected to

Connected TCMPin No.

6 Line

Pressure

Solenoid

B23

12

Low & Reverse Brake Oil Pressure Switch

B12

5

Low & Reverse Brake Duty Solenoid

B6

11 Ground

Return

B22

4

Lock-up Duty Solenoid

B17

10

High Clutch Duty Solenoid

B8

3

Low Clutch Duty Solenoid

B9

9

2-4 Brake Duty Solenoid

B7

2 Oil

Thermo

Sensor

B4

8

Oil Thermo Sensor Ground

B14

1

High Clutch Oil Pressure Switch

B20

7

2-4 Brake Oil Pressure Switch

B1

1

2

3

4

5

6

8

9

10

11

12

7

Terminal Assembly

Inhibitor Switch

Figure 31. Pin Assignment

Figure 32. Location of Terminal Assembly

CONSTRUCTION AND FUNCTION 7A1-19

OIL PASSAGE

Figure 33. Oil Passage of Transmission Case

7A1-20 CONSTRUCTION AND FUNCTION

Figure 34. Oil Passage of Oil Pump

PARKING FUNCTION

By setting the select lever to the P range, the parking pawl is engaged with the parking gear and fixes the

output shaft.

By the movement of the select lever, the manual shaft on the side surface of the AT is moved. The

manual plate and parking rod in the AT are interlocked with the manual shaft. When the manual shaft
moves, the parking rod end pushes up the parking pawl.

The parking pawl is engaged with the parking gear when pushed up, and fixes the output shaft.

When the clutch is disengaged, it returns to the original position by the force of the return spring fixed to

the parking pawl.

Figure 35. Parking Function

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Политика конфиденциальности