Isuzu 2000 Trooper Workshop Manual page 410

4B2–32 DRIVE LINE CONTROL SYSTEM (TOD)
Step
1 1. Start the engine.
2. Select 4H (TOD) mode.
Is the memory except DTC 14?
2 Is the continuity between harness of terminal 32 and ground
(vehicle side terminal of the front speed sensor)?
3 Is the memory DTC 24?
4 Is the continuity between harness of terminal 32 and 45 (vehicle
side terminal of the front and rear speed sensor)?
5 Is the continuity between harness of terminal 12 and 13 (vehicle
side terminal of the speed sensor COM and ref)?
6 1. Check that all the parts are mounted.
2. Clear the trouble code.
Is the step complete?
Action Yes
Go to Step 3 Go to Step 2
Replace speed
sensor.
Repair the circuit.
Go to Step 6
Go to Step 6
Refer to other
trouble check
Go to Step 4
Go to Step 2
Repair the circuit.
Go to Step 5 Go to Step 6
Replace front and
rear speed
sensor. Repair the circuit.
Go to Step 6 Go to Step 6
The trouble is not
reproduced.
"Troubles
intermittently
observed".
Repeat the
"Diagnosis Flow". Return to Step 6
No
flow.
Refer to