Isuzu 2000 Trooper Workshop Manual page 463

Step
1 Are the front and rear tires in specified size?
2 Is the tire pressure correct?
3 Are the tires free from abnormal wear?
4 Are different types of tires used?
5 1. Start the engine.
2. Shift the transfer lever to the high (TOD) position.
3. Fully turn the steering to the left (or right) end, and select the D
range and start the creep run.
Does the tight corner braking occur? Is the judder with chug-chug
sound observed? * Use caution on the operation.
6 1. Shift the transfer lever to the 2H position.
2. Fully turn the steering to the left (or right) end, and select the D
range and start the creep run.
Does the tight corner braking occur? Is the judder with chug-chug
sound observed? * Use caution on the operation.
7 Is an LSD mounted to the rear differential?
8 Is the genuine LSD oil used in the rear differential?
9 Does the engine output the power correctly?
10 Do the speed sensors work correctly? (Check trouble codes.)
11 Is the tight corner braking observed only when the brake is
applied?
12 1. Turn off the starter switch.
2. Disconnect the ECU connector.
Is the battery voltage observed between terminals (B–48)11 and
(B–48)24?
DRIVE LINE CONTROL SYSTEM (TOD)
Action Yes
Replace the tires
with specified
ones, and service
the new tires.
Go to Step 2 Go to Step 16
Replace the tires
with specified
ones, and service
the new tires.
Go to Step 3 Go to Step 16
Replace the tires
with specified
ones, and service
the new tires.
Go to Step 16
Go to Step 4
Replace the tires
with specified
ones, and service
the new tires.
Go to Step 16
Go to Step 5
Go to Step 6 Go to Step 11
Go to Step 7 Go to Step 14
Go to Step 8 Go to Step 9
Replace the
differential oil.
Go to Step 9 Go to Step 16
Check the
engine.
Go to Step 10 Go to Step 16
The ECU has
Replace the
failed. Replace
the ECU. speed sensors.
Go to Step 16 Go to Step 16
Conduct full
steering under
Go to Step 12 Go to Step 5
Repair the circuit
of terminal 6
(ABS IN).
Go to Step 13 Go to Step 16
4B2–85
No
WOT.