Isuzu Trooper (2000 year). Manual — part 141
4D2–6
TRANSFER CASE (TOD)
2. Using the oil seal installer J-42804, attach the oil seal.
NOTE: When attaching the oil seal, pay attention to the
direction.
261RW035
3. Mount the rear companion flange, O-ring , washer,
and nuts to the transfer in this order.
4. Using the flange holder J-8614-11, set the end nut.
Torque : 167 N·m (123 lb ft)
5. Using the punch J-39209, stake the end nut at two
places.
NOTE: Check the staked end nut is free from cracks.
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260RW007
6. Connect the rear propeller shaft to the transfer case
and tighten to the specified torque.
Torque : 63 N·m 46 (lb ft)
4D2–7
TRANSFER CASE (TOD)
TOD ECU
Removal
1. Disconnect the battery cable (-).
2. Move the passenger seat forward and remove the
second seat foot rest (1).
3. Unplug the connector from the ECU (2).
4. Remove the set bolts and detach the ECU (2) from
the bracket.
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Installation
1. Perform the removal step in reverse order.
4D2–8
TRANSFER CASE (TOD)
Unit Repair
Inspection
Before disassembling and after assembling, check the
following items on the transfer connector terminals.
No.
NAME
CONTENTS
1
Ref . (Ref . )
Rear speed sensor refer-
ence output
2
Ref . (Frt . )
Front speed sensor refer-
ence output
3
SW GND
SW GND
4
4H SW (+)
4H SW plus terminal
5
Rer . (+)
Rear speed sensor plus
6
Frt . (+)
Front speed sensor plus
7
POWER GND
Power GND
8
SOL (+)
Electromagnetic solenoid
9
COM (–) (Ref .)
Rear speed sensor GND
10
COM (–) (Frt .)
Front speed sensor GND
11
NC
12
4L SW (+)
4L SW plus terminal
810RW002
4H and 4L switches
Check whether the 4H switch (terminals 4 and 7) and 4L
switch (terminals 12 and 3 ) work as specified in the table
below. If yes, the continuity is established on these
switches. If not, check the switches, shift rails, transfer
case, and rear cover, and replace the failed parts.
Position
High
Neutral
4L
4H SW
OFF
ON
OFF
4L SW
OFF
ON
ON
Power GND
Check that there is a continuity between the power GND
pin (terminal 7) and transfer case. If not, replace the
grounding wire.
Resistance of electromagnetic coil
Check the resistance between electromagnetic clutch
solenoid (terminal 8) and power GND (terminal 7). If not,
replace the electromagnetic coil.
Standard : 1.4
∼
2.0
W
Allowable : 1.0
∼
5.0
W
4D2–9
TRANSFER CASE (TOD)
Transfer Case
Disassembled View
266RW004
Legend
(1) Front Companion Flange
(2) 4H and 4L Switch, Grounding Cable, and
Center Connector
(3) Offset Lever
(4) Spring Pin
(5) Transfer Case Assembly
(6) Transfer Cover Assembly
(7) Rear Companion Flange
Disassembly
1. Remove the drain plug from the transfer case and
drain the oil.
2. Disconnect the 4H and 4L switch and grounding
cable.
3. Remove the clip fixing the harness.
4. Remove front companion flange and using the flange
holder J-8614-11, remove the flange nut.
5. Remove rear companion flange and using the flange
holder J-8614-11, remove the flange nut.
266RW005
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