
90 RENR5622
Troubleshooting Section
Use this procedure to troubleshoot any suspect
problems with t
he system for the engine oil renewal
solenoid.
This procedur
e covers the following diagnostic codes:
•
2271-05 Engine Oil Renewal System Actuation
Solenoid curr
ent low
•
2271-06 Engine Oil Renewal System Actuation
Solenoid curr
ent high
The ECM adds a controlled amount of engine oil to
the fuel by en
ergizing the engine oil renewal solenoid.
The engine oil is added to the fuel and burned during
combustion. The typical oil change interval may be
extended.
The ECM energizes the engine oil renewal solenoid
which inject
s the engine oil into the return line for
the fuel.
For further
information, refer to Service Manual,
RENR2223, “Oil Renewal System”.
g01152043
Illustration 3 2
Schematic
P2 ECM connector