Isuzu 4JA1 Workshop Manual page 490

6E-236 Engine Control System (4JH1)
Step
39 1. Reconnect all previously disconnected fuse,
relay or harness connector(s).
2. Turn OFF the ignition for 30 seconds.
3. Turn ON the ignition, with the engine OFF.
4. Turn ON the blower motor switch.
Does the blower motor turn ON and operate
correctly?
Action Value(s) Yes

Go to Char 1 of 2
Step 4
No
Refer to Applicable
Diagnostic Chart in
Heating & Air
Conditioning
Section