Workshop Manual

6E–502
6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
DTC P1640 – Driver-1-Output Circuit Fault (ODM) (Cont'd)
Step NoYesValue(s)Action
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?
+B Go to Step 15 Go to Step 14
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?
— Go to Step 10 Go to Step 9
15 Replace the PCM.
IMPORTANT: The replacement PCM must be
programmed. Refer to
On-Vehicle Service in
Powertrain Control Module and Sensors for
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?
— Verify repair —