Isuzu 4JA1 Workshop Manual page 428

6E-174 Engine Control System (4JH1)
Step
14 Replace the clutch pedal switch. Refer to Clutch
Pedal Switch Replacement in this section.
Did you complete the replacement?
15 Important: Replacement
programmed.
Replace the ECM. Refer to Engine Control Module
(ECM) Replacement in this section.
Did you complete the replacement?
16 1. Reconnect all previously disconnected fuse or
harness connector(s).
2. Clear the DTCs with the scan tool.
3. Turn ON the ignition, with the engine OFF.
4. Observe the Clutch Pedal Switch parameter with
the scan tool while fully depressing and releasing
the clutch pedal.
Does the scan tool indicate Applied when the clutch
pedal is applied and Released when the clutch pedal
is released?
17 Observe the DTC Information with the scan tool.
Are there any DTCs that you have not diagnosed?
Action
ECM must
Value(s)

be



Trouble Code (DTC)
Yes
Go to Step 16
Go to Step 16
Go to Step 17 Go to Step 3
Go to Diagnostic
List
No


System OK