2007 ISUZU KB P190 Workshop Repair Manual

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Page 4257 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 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 Brak

Page 4258 of 6020

ISUZU KB P190 2007 Workshop Repair Manual CONSTRUCTION AND FUNCTION 7A1-19

OIL PASSAGE

Figure 33. Oil Passage of Transmission Case

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ISUZU KB P190 2007

Page 4259 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 7A1-20 CONSTRUCTION AND FUNCTION

Figure 34. Oil Passage of Oil Pump

PARKING FUNCTION
• By setting the select lever to the P position, the parking pawl is engaged with the parking gear and

Page 4260 of 6020

ISUZU KB P190 2007 Workshop Repair Manual CONSTRUCTION AND FUNCTION 7A1-21
INHIBITOR SWITCH
• The inhibitor switch is installed on the right side of the transmission main unit to detect the select lever
position.
• The inhibitor swi

Page 4261 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 7A1-22 CONSTRUCTION AND FUNCTION
TURBINE SENSOR
• The turbine sensor is a hall element. It is installed to the front of the transmission case. The turbine
sensor converts the rotations of the

Page 4262 of 6020

ISUZU KB P190 2007 Workshop Repair Manual CONSTRUCTION AND FUNCTION 7A1-23
ACCELERATOR PEDAL POSITION SENSOR
• Opening of the accelerator pedal is converted to an electric signal which is transmitted from ECM to TCM.
• The accelerato

Page 4263 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 7A1-24 CONSTRUCTION AND FUNCTION
BRAKE SWITCH
• The brake switch (1) is installed to the brake pedal (2). When the driver steps on the brake pedal, an
electric signal is sent to the TCM.

Page 4264 of 6020

ISUZU KB P190 2007 Workshop Repair Manual CONSTRUCTION AND FUNCTION 7A1-25
TRANSMISSION CONTROL MODULE (TCM)
• The TCM is fitted on the side of the brake pedal via two stud bolts.
• The TCM judges the line pressure, gear shifting poin

CONSTRUCTION AND FUNCTION 7A1-25
TRANSMISSION CONTROL MODULE (TCM)
• The TCM is fitted on the side of the brake pedal via two stud bolts.
• The TCM judges the line pressure, gear shifting point and lock-up operation based on electrical signals
from switches and sensors, and sends the appropriate signals to solenoids.

B9 B8 B7 B6 B5 B4 B3 B2 B1 A9 A8 A7 A6 A5 A4 A3 A2 A1
B18 B17 B16 B15 B14 B13 B12 B11 B10 A18 A17 A16 A15 A14 A13 A12 A11 A10
B24 B23 B22 B21 B20 B19 A24 A23 A22 A21 A20 A19
Connect to White Connector Connect to Grey Connector

Figure 49. Pin Assignment

Pin No. Pin Assignment Pin No.Pin Assignment
B1 2-4 Brake Oil Pressure Switch A1 V BATT (Battery Back-up Power Supply)
B2 2 Position Switch A2 P Position Switch
B3 Turbine Sensor A3 Brake Switch
B4 ATF Thermo Sensor A4 3rd Start Indicator Lamp
B5 Ground A5 K-Line Signal (Tech 2 Serial Communication)
B6 Low & Reverse Brake Duty Solenoid A6 No Connection
B7 2-4 Brake Duty Solenoid A7 Engine Speed Sensor
B8 High Clutch Duty Solenoid A8 No Connection
B9 Low Clutch Duty Solenoid A9 No Connection
B10 N Position Switch A10 Vehicle Speed Sensor Out (2W D Only)
B11 D Position Switch A11 3rd START Select Switch
B12 Low & Reverse Brake Oil Pressure Switch A12 4L Mode Switch (4W D Only)
B13 Vehicle Speed Sensor A13 No Connection
B14 ATF Thermo Sensor Ground A14 No Connection
B15 No Connection A15 No Connection
B16 No Connection A16 Accelerator Pedal Position Sensor
B17 Lock-up Duty Solenoid A17 3 Position Switch
B18 Vign (Ignition Power Supply) A18 DIAG Switch (Test Switch)
B19 R Position Switch A19 A/T OIL TEMP Indicator Lamp
B20 High Clutch Oil Pressure Switch A20 CHECK TRANS Indicator Lamp
B21 L Position Switch A21 POW ER DRIVE Indicator Lamp
B22 Ground (Shift Solenoid) A22 No Connection
B23 Line Pressure Solenoid A23 No Connection
B24 Vign (Ignition Power Supply) A24 POW ER DRIVE Select Switch

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ISUZU KB P190 2007

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