Isuzu 1999 RODEO Workshop Manual page 707

6E1–80
RODEO X22SE 2.2L ENGINE DRIVEABILITY AND EMISSION
Malfunction Indicator Lamp (MIL) ON Steady
Step
1 Was the "On–Board Diagnostic (OBD) System Check"
performed?
2 1. Ignition OFF, disconnect the PCM.
2. Ignition ON, observe the MIL (Service Engine Soon
lamp).
Is the MIL ON?
3 1. Ignition OFF, disconnect the instrument panel
cluster.
2. Check the MIL driver circuit between the PCM and
the instrument panel cluster for a short to ground.
3. If a problem is found, repair as necessary.
Was the MIL driver circuit shorted to ground?
4 Replace the instrument panel cluster.
Is the action complete?
5 1. Ignition OFF, reconnect the PCM.
2. Ignition ON, reprogram the PCM. Refer to
On–Vehicle Service in Powertrain Control Module
and Sensors for procedures.
3. Using the Tech 2 output controls function, select
MIL dash lamp control and command the MIL OFF.
Did the MIL turn OFF?
6 Replace the PCM.
IMPORTANT: The
programmed.
Powertrain Control
procedures.
and also refer to latest service bulletin.
Check to see if the Latest software is released or not.
And then Down Load the LATEST PROGRAMMED
SOFTWARE to the replacement PCM.
Is the action complete?
Action
replacement PCM
Refer to On–Vehicle Service in
Module and Sensors
Value(s)
—
—
—
—
—
must be
for
—
Yes No
Go to OBD
System
Go to Step 2 Check
Go to Step 3 Go to Step 5
Go to OBD
System
Check Go to Step 4
Go to OBD
System
Check —
Go to OBD
System
Check Go to Step 6
Go to OBD
System
Check —