Isuzu 1999 RODEO Workshop Manual page 981

6E1–354 RODEO X22SE 2.2L ENGINE DRIVEABILITY AND EMISSION
DTC P1640 –Output Driver Module (ODM) "A" Fault (Cont'd)
Step
11 Repair the short to ground between the affected
component and its PCM driver terminal.
Is the action complete?
12 Repair the open circuit between the fuse and the PCM
driver terminal for the affected circuit.
Is the action complete?
13 1. Connect the PCM.
2. Start the engine and let it idle.
3. Backprobe the affected terminal at the PCM with a
DVM.
Was the voltage equal to the specified value?
14 1. Run the engine at idle.
2. Check for battery voltage at the fuse for the affected
circuit.
Was battery voltage available at the fuse?
15 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)
—
—
B+
—
must be
for
—
Yes No
Verify repair —
Verify repair —
Go to Step 15 Go to Step 14
Go to Step 10 Go to Step 9
Verify repair —