2007 ISUZU KB P190 Workshop Repair Manual

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Page 4881 of 6020

ISUZU KB P190 2007 Workshop Repair Manual TRANSFER CONTROL SYSTEM 7D1-7
7B4-PDF3
4L indicator (in meter panel)
This lamp indicates following items:
Valve check
Driving status (High-Low)
Operating status (2Hz: Actuator in operation, m

Page 4882 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 7D1-8 TRANSFER CONTROL SYSTEM
Transfer controller
RHD

RTW 77DMF000101
Legend

(1) Transfer Controller
(2) Nut

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ISUZU KB

Page 4883 of 6020

ISUZU KB P190 2007 Workshop Repair Manual TRANSFER CONTROL SYSTEM 7D1-9

LHD

RUW 77DMF000101
Legend

(1) Transfer Control Unit
(2) Nut

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ISUZU KB P190 2007

Page 4884 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 7D1-10 TRANSFER CONTROL SYSTEM
Transfer Actuator
Method of confirming the actuator position detection
(limit) switch
The actuator indicates the continuity condition of combinations,
as show

Page 4885 of 6020

ISUZU KB P190 2007 Workshop Repair Manual TRANSFER CONTROL SYSTEM 7D1-11
Method of checking the position detection switch harness
Disconnect the vehicle harness connector on the transfer
controller side, and the vehicle harness connector

Page 4886 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 7D1-12 TRANSFER CONTROL SYSTEM
Functions of Switch and indicator Lamp
Transfer-related indicator lamp and switch function

Item 4WD
lamp 4L lamp Neutral
lamp Check
4WD
warning light 4WD

7D1-12 TRANSFER CONTROL SYSTEM
Functions of Switch and indicator Lamp
Transfer-related indicator lamp and switch function

Item 4WD
lamp 4L lamp Neutral
lamp Check
4WD
warning light 4WD
switch Actu ato r
detection (limit)
switches
LS1, LS2, LS3. and LS4
1 = on
2 = off Transfer
4WD
switch Transfer
neutral switch SOF
actuator switch Or
Axl e
dummy Remarks
2H Off Off Off Off No
operation 1,0,1,0 Open Open Open -----
4H start
of
operation Off Off Off Off 4H position
for 0.1
second 1,0,1,0 Open Open Open Switch
operation sensor
Start of
operation Blinking
(2HZ) Off Off Off No
operation 1,1,1,0
0,0,1,0
0,1,1,0
0,1,1,1 Open Open Open
2H to 4H
while
driving
During
operation
(Synchro) Blinking
(2HZ) Off Off Off No
operation 1,1,1,0
0,0,1,0
0,1,1,0
0,1,1,1 Open Open Open 2H to 4H
using
synchro and
retrial
During
operation (Axle
drive) Blinking
(2HZ) Off Off Off No
operation 0,0,1,1 Closed Open Open Axle drive
Axle
waiting Blinking
(2HZ) Off Off Off No
operation 0,0,1,1 Closed Open Open Axle drive
4H On Off Off Off No
operation 0,0,1,1 Closed Open Closed -----
4L start
of
operation On Off Off Off 4L position
for 0.1
second 0,0,1,1 Closed Open Closed Switch
operation sensor
Start of
operation On Blinking
(2HZ) Off Off No
operation 0,0,0,1
0,1,0,1 Closed Open Closed 4H to 4L
while
driving
During
operation (N) Off
Blinking
(2HZ) Off Off No
operation 0,0,0,1
0,1,0,1 Closed Closed Closed 4H to 4L
through neutral
During
operation (N) Off
Blinking
(2HZ) Off Off No
operation 0,1,0,0 Closed Closed Closed 4H to 4L
through neutral
During
operation (N) Off
Blinking
(2HZ) Off Off No
operation 1,1,0,0 Closed Closed Closed 4H to 4L
through neutral
4L
waiting On Blinking
(2HZ) Off Off No
operation 1,1,0,1 Closed Closed Closed 4H to 4L
while
waiting
4L On On Off Off No
operation 1,1,0,1 Closed Open Closed -----
4H start of
operation On Off Off Off 4H position
for 0.1
second 1,1,0,1 Closed Open Closed Switch
operation sensor

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ISUZU KB P190 2007

Page 4887 of 6020

ISUZU KB P190 2007 Workshop Repair Manual TRANSFER CONTROL SYSTEM 7D1-13
Item 4WD
lamp 4L lamp Neutral
lamp Check
4WD
warning light 4WD
switch Actu ato r
detection (limit)
switches
LS1, LS2, LS3. and LS4
1 = on
2 = off T

Page 4888 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 7D1-14 TRANSFER CONTROL SYSTEM
2H to 4H retrial

Item 4WD
lamp 4L lamp Neutral
lamp Check
4WD
warning light 4WD
switch Actu ato r
detection (limit)
switches
LS1, LS2, LS3. and LS4

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