Isuzu 2000 Trooper Workshop Manual page 421

Step
1 1. Turn off the starter switch.
Is the battery voltage normal?
2 1. Turn on the starter switch.
Does the voltage between terminals 15 and 46 fall within the
standard range above?
3 1. Turn off the starter switch.
2. Disconnect the ECU connector.
3. Turn on the starter switch.
Does the voltage between terminals (B–49)15 and (B–48)24 fall
within the standard range above?
4 Is the harness healthy?
5 Is the TPS healthy?
6 1. Check that all the parts are mounted.
2. Clear the trouble code.
Is this step complete?
DRIVE LINE CONTROL SYSTEM (TOD)
Action Yes
Charge or
replace the
Go to Step 2 Go to Step 6
Go to Step 6 Go to Step 3
The ECU has
failed. Replace
the ECU.
Go to Step 6 Go to Step 4
Repair the
Go to Step 6
Go to Step 5
Replace the TPS.
Go to Step 6
Go to Step 6
Repeat the
"Diagnosis Flow". Go to Step 6
4B2–43
No
battery.
harness.