Isuzu 4HK-1, Руководство пользователя, Страница: 23 / 50

Engine Control System 42
Installation of ECM
Install the ECM in the reverse order of removal.
EGR valve position learning is required after replacing
the ECM.
1. Turn the key switch to “ON”.
2. Turn the key switch to “OFF”.
3. Leave as it is
, "OFF",
for 10 seconds.
Failure to perform the EGR valve position learning may
result in detection of Error Code for EGR.
About ECM power off
The power supply inside the ECM does not go off for
about 10 seconds after turning the key switch OFF. If
the ECM power needs to be off such as for memory
clear, wait for more than 10 seconds after turning the
key switch OFF.
TSWG0176
Key switch
ON
Key switch
OFF
10 sec