2007 ISUZU KB P190 Workshop Repair Manual

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Page 4873 of 6020

ISUZU KB P190 2007 Workshop Repair Manual TRANSFER CASE 7D-43
N⋅m (kgf ⋅m/lb ⋅ft)
E07R300008

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TO MODEL INDEX
ISUZU KB P190 2007

Page 4874 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 7D-44 TRANSFER CASE
Special Tools

ILLUSTRATION PART NO.
PART NAME
ILLUSTRATION PART NO.
PART NAME
5-8840-2786-0
(J-46202)
Transfer case oil seal installer
5-8840-2784-0

(J-462

Page 4875 of 6020

ISUZU KB P190 2007 Workshop Repair Manual TRANSFER CONTROL SYSTEM 7D1-1
SECTION 7D1
TRANSFER CONTROL SYSTEM
TABLE OF CONTENTS
PAGE
Service Precaution ....................................................................................

Page 4876 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 7D1-2 TRANSFER CONTROL SYSTEM

Service Precaution
WARNING:
THIS VEHICLE HAS A SUPPLEMENTAL RESTRAINT
SYSTEM (SRS). REFER TO THE SRS COMPONENT AND
WIRING LOCATION VIEW IN ORDER TO DETERMINE
W

Page 4877 of 6020

ISUZU KB P190 2007 Workshop Repair Manual TRANSFER CONTROL SYSTEM 7D1-3
General Description

RTW 77DLF000501

Transfer Position and Drive Mode
Three drive modes can be selected through operation of 4W D switch.

Tr

Page 4878 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 7D1-4 TRANSFER CONTROL SYSTEM

Summary of transfer control system
The transfer control system switches between the 2-wheel
drive (2H), 4-wheel drive high-speed (4H), 4-wheel drive low-
speed (

Page 4879 of 6020

ISUZU KB P190 2007 Workshop Repair Manual TRANSFER CONTROL SYSTEM 7D1-5
System Components
Parts Location

RTW 57DLF000401

Speed sensor
Revolutions of the rear output shaft are decreased and taken
out by the speed/drive/dr

Page 4880 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 7D1-6 TRANSFER CONTROL SYSTEM
the 4×2 - 4 ×4 shift rod. W hen moving in 4 ×2 direction, a spring
standby mechanism is provided between the rod and sleeve so
that the rod is positioned at the 4

7D1-6 TRANSFER CONTROL SYSTEM
the 4×2 - 4 ×4 shift rod. W hen moving in 4 ×2 direction, a spring
standby mechanism is provided between the rod and sleeve so
that the rod is positioned at the 4 ×2 position, while the sleeve is
at the 4 ×4 position.
This mechanism is provided to protect the shift mechanism
from the force and to prevent movement of the sleeve
(torsional torque etc. of the drive system). By releasing the
preventive force, the sleeve can move to the 4 ×2 state by the
spring force.

Neutral switch
The neutral switch detects the movement of the shift rod
driving the high-low sleeve.
PUSH close is achieved with the PUSH close switch when the
shift rod is positioned between the High and the Low, at the
neutral state.

High-Low Sleeve & Arm
The spring standby mechanism is provided for the high-low
sleeve in both directions of the high-low shift rod. Therefore,
the rod position and the actual sleeve position may be offset in
some cases.
This system is provided to protect the shift mechanism from a
collision due to coincidence of the high and low phases of the
engaged splines. By giving rotational force to the preventing
phase coincidence, the splines are moved to the proper
engagement position by the spring force.

Shift actuator
The output shaft is rotated by the built-in motor and the transfer
position is switched.
Detection (limit) switches to detect the rotating angle of the
output shaft that is provided to the actuator at 4 positions.
These are connected to the transfer controller through the
vehicle harness to constantly transmit the actuator operating
angle and changes in its transfer status.

7B4-PDF2
4WD indicator (in meter panel)
This lamp indicates the following items:
Valve check
Drive condition (2W D-4W D)
Operating condition (2Hz: Actuator in operation, mechanism
standby)
Restrictions on operation (4Hz, including indication of
interrupted operation due
to excessive load)

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ISUZU KB P190 2007

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