Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Service manual — part 154
4D2–30 TRANSFER CASE (TOD)
Bearing
Check the profile of the needle, roller, ball, and thrust
bearings. Wash the bearings with clean detergent
completely, and dry with air.
NOTE: If the bearing is rotated excessively, the rollers
may be damaged. So, rotate the bearing slowly with your
hand. Apply grease to the bearing, and check the
smoothness of the bearing while slowly rotating the race
with your hand.
Allowable limit : 0.23 mm (0.009 in)
226RW143
Lockup Fork Spring
Check the lockup fork spring for distortion, cracking, and
wear. If defects are observed, replace the part.
Multi Plate Disk Clutch
D
If the burned, mirror-surfaced clutch facing, or
scraping is observed on the clutch plates, clutch
housing, armature plate, and insulator washer,
replace the parts.
266R200003
Legend
(1) Clutch Housing
(2) Clutch Plate
(3) Insulator Washer
(4) Armature Plate
Coil Assembly
D
Check the resistance of the coil with a tester. If
defects are observed, replace the coil assembly.
Standard : 1.7
±
0.3
W
(at ordinary temperature)
Allowable limit : 1.0
∼
5.0
W
261RY00022
Cam Pulley, Cam Ball, and Cam & Coil
Housing
D
Check the cam balls and cam for excessive wear or
damage. If defective, replace the parts.
266RW016
4D2–31
TRANSFER CASE (TOD)
4H and 4L Switch
D
Check the continuity of 4H and 4L switch.
If defects are observed, replace the 4H and 4L switch.
261R200006
261RW049
Switch
Stroke
4H Switch
Signal
4L Switch
Signal
The
correspon-
ding
Terminal 2 to
Switch Body
Terminal
1 to 3
g
position of
TOD
switch
1
Open
Open
2H, TOD
2
Open
Close
4L
3
Close
Close
Neutral
Shift Motor Assembly
D
Check the resistance of the shift motor assembly
(between terminal 4 to 7) with a tester.
If defects are observed, replace the shift motor
assembly.
Standard : 0.63
±
0.2
W
(at ordinary temperature)
8–6
261RY00023
Oil Pump
D
Remove foreign materials from the strainer. If the
strainer is damaged, replace it.
D
If the area into which the shaft is inserted is
excessively worn or damaged, replace the oil pump
assembly.
4D2–32 TRANSFER CASE (TOD)
Main Data and Specification
General Specification
Type
Electronically controlled torque split four wheel drive with two wheel
drive.
2WD: Rear two wheel drive
TOD: Electronically controlled torque split four wheel drive.
4L: Low speed mechanical lockup four wheel drive.
Rear drive: Direct drive
Front drive: Chain drive
Low range deceleration: Planetary gear drive
Control system
Switch control
Gear ratio
High: 1.000
Low: 2.480
Lubrication system
Built-in oil pump
Forced lubrication
Type of lubricant
ATF DEXRON
–II or III
Oil capacity
1.35 liters. (1.43 US.quart)
Clutch discs number
13
Planetary gear teeth number
Sun gear: 58
Pinion gear: 15
Ring gear: 86
4D2–33
TRANSFER CASE (TOD)
Torque Specifications
E04R200001
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