Isuzu KB P190. Manual — part 993

7A2-6 TRANSMISSION CONTROL SYSTEM (AW30–40LE)

Transmission Control Module (TCM) (1/2)

RTW780XF003901

TRANSMISSION CONTROL SYSTEM (AW30–40LE) 7A2-7

Transmission Control Module (TCM) (2/2)

RTW780XF004001

7A2-8 TRANSMISSION CONTROL SYSTEM (AW30–40LE)

TCM Point Table

RTW77ASF000401

C-94 Connector

PIN No.

SIGNAL NAME

A1 GND

A2

PRESSURE CONTROL SOLENOID GND

A3 —

A4

PRESSURE CONTROL SOLENOID

A5 L-up

SOLENOID

A6 STARTER

SW(IG1)

A7

CAN COMMUNICATION (-)

A8 —

A9 —

A10 —

A11

T/M OIL TEMPERATURE SENSOR

A12

T/M OIL TEMPERATURE SENSOR GND

A13 —

A14 —

A15

SHIFT SOLENOID (S2)

A16

SHIFT SOLENOID (S1)

A17

CAN COMMUNICATION (+)

A18 —

A19 —

A20 —

A21 —

A22 —

A23 GND

A24 BATTERY

C-95 Connector

PIN No.

SIGNAL NAME

B1

NEUTRAL START SW (R)

B2 POWER

LAMP

B3

CHECK TRANS LAMP

B4

PATTERN SELECT SW (3rd START)

B5

SPEED SENSOR (+)

B6

INPUT REVOLUTION SENSOR (+)

B7

NEUTRAL START SW (D)

B8

NEUTRAL START SW (N)

B9

NEUTRAL START SW (3)

B10

3rd START LAMP

B11

OIL TEMPERATURE WARNING LAMP

B12 DIAGNOSIS

TERMINAL

B13

PATTERN SELECT SW (POWER)

B14

SPEED SENSOR (-)

B15 —

B16

INPUT REVOLUTION SENSOR (+)

B17 —

B18

NEUTRAL START SW (L)

B19

NEUTRAL START SW (2)

B20

NEUTRAL START SW (P)

B21

TRANSMISFER LOW 4 SW

B22

BRAKE LAMP SW

B23

DIAGNOSIS OUT PUT

B24 —

B25 —

B26 —

TRANSMISSION CONTROL SYSTEM (AW30–40LE) 7A2-9

TCM Voltage & Resistance Check Sheet

CHECK ITEM

PIN No.

VALUE

NOTE

VIGN C-94:

6–1

VIGN

Key “ON”

Backup Power Supply

C-94: 24–1

+B (Always)

Key “ON”

Neutral Start Switch P

“P” Position

VIGN

Key “ON”

Except “P”

0V

Neutral Start Switch R

C-95: 1–C-94: 1

“R” Position

VIGN

Key “ON”

Except “R”

0V

Neutral Start Switch N

C-95: 8–C-94: 1

“N” Position

VIGN

Key “ON”

Except “N”

0V

Neutral Start Switch D

C95: 7–C-94: 1

“D” Position

VIGN

Key “ON”

Except “D”

0V

Neutral Start Switch 2

C-95: 19–C-94: 1

“2” Position

VIGN

Key “ON”

Except “2”

0V

Neutral Start Switch 1

C-95: 18–C-94: 1

“1” Position

VIGN

Key “ON”

Except “1”

0V

Neutral Start Switch 3

C-95: 9–C-94: 1

“3” Position

VIGN

Key “ON”

Except “3”

0V

Power SW

C-95: 13–C-94: 1

“ON”

0V

Key “ON”

“OFF” VIGN

3rd Start SW

C-95: 4–C-94: 1

“ON”

0V

Key “ON”

“OFF” VIGN

Brake SW

C-95: 22–C-94: 1

“ON”

VIGN

Key “ON”

“OFF” 0V

AT Oil Temperature
Sensor

C-94: 11–12

20

°C/68°F 4.6V

Engine

run.

155

°C/311°F 1.1V

4L Signal

C-95: 21–C-94: 1

4L

0V

Key “ON”

2H/4H VIGN

Diag SW

C-95: 12–C-94: 1

“ON”

VIGN

Key “ON”

“OFF” 0V

Shift Solenoid A (S1)

C-94: 16–1

P

VIGN

Engine run.

R VIGN

N VIGN

D–1 VIGN

D–2 VIGN

D–3 0V

D–4 0V