Isuzu KB P190. Manual — part 1224

7D1-22 TRANSFER CONTROL SYSTEM

• Operational restrictions (vehicle speed, engine speed, and transmission position) are applicable to transfer shifts

in both directions (H

←→Neutral←→L).

TRANSFER CONTROL SYSTEM 7D1-23

4L

Neutral

4L

Item

4WD

lamp

4L lamp

Neutral

lamp

Check

4WD

warning

light

4WD

switch

Actuator

detection

(limit)

switches

LS1, LS2,

LS3. and

LS4

1 = on

2 = off

Transfer

4WD

switch

Transfer

neutral

switch

SOF

actuator

switch

Or

Axle

dummy

Remarks

4L

On

On

Off

Off

No

operation

1,1,0,1

Closed

Open

Closed

-----

Neutral

start of

operation

On On Off Off

Neutral

position

for 10

seconds

1,1,0,1 Closed Open Closed -----

Start of

operation

Off Off

Blinking

(2HZ)

Off

No

operation

1,1,0,0 Closed Open Closed

4L to N

while

driving

During

operation

(N)

Off Off

Blinking

(2HZ)

Off

No

operation

1,1,0,0 Closed Closed Closed

4L to N

with axle

driving

During

operation

(N)

Off Off

Blinking

(2HZ)

Off

No

operation

0,1,0,0 Closed Closed Closed

4L to 4N

with axle

removed

During

operation

(Axle)

Blinking

(2HZ)

Off Off Off

No

operation

0,1,0,0 Closed Closed Closed

Axle

driving

Axle

waiting

Blinking

(2HZ)

Off

Off

Off

No

operation

0,1,0,0

Closed

Closed

Closed

-----

Neutral

Off

Off

On

Off

No

operation

0,1,0,0

Closed

Closed

Open

-----

4L start of

operation

Off Off On Off

4L

position

for 10

seconds

0,1,0,0 Open Open Open

Switch

operation

sensor

During

operation

(N)

Off

Blinking

(2HZ)

Off Off

No

operation

1,1,0,0 Closed Closed Open

4H to 4L

through

neutral

During

operation

(N)

Off

Blinking

(2HZ)

Off Off

No

operation

1,1,0,0 Closed Closed Open

4H to 4L

through

neutral

During

operation

(N)

Off

Blinking

(2HZ)

Off Off

No

operation

1,1,0,0 Closed Closed Open

4H to 4L

through

neutral

4H

waiting

On

Blinking

(2HZ)

Off Off

No

operation

1,1,0,1 Closed Closed Open

4L while

waiting

During

operation

(Axle)

Blinking

(2HZ)

Off Off Off

No

operation

1,1,0,1 Closed Open Open

Axle

driving

Axle

waiting

Blinking

(2HZ)

Off

Off

Off

No

operation

1,1,0,1

Closed

Open

Open

-----

4H

On

On

Off

Off

No

operation

1,1,0,1

Closed

Open

Closed

-----

• Operational restrictions (vehicle speed, engine speed, and transmission position) are applicable to transfer shifts

in both directions (H

←→Neutral←→L).

7D1-24 TRANSFER CONTROL SYSTEM

Parts Location

RHD

RTW78AXF040501

TRANSFER CONTROL SYSTEM 7D1-25

LHD

RTW78AXF040601