Basic Diagnostic Procedure
A: PROCEDURE
CAUTION:
When performing diagnosis, observe the legal speed limit on the road.
The cancel code will be also appear when cruise control is cancelled
by the driver's operation. Do
not confuse them.
Be sure to get an assistant to support the diagnosis whil
DU:DTC P2096 POST CATALYST FUEL TRIM SYSTEM TOO LEAN (BANK 1)
1. OUTLINE OF DIAGNOSIS
Detect the malfunction of fuel system from the size of the sub feedback
learning value.
Control the sub feedback learning and judge as NG when the learning value is in
the lean zone.
2. COMPONENT DESCRIPTION