AR:DTC P0171 SYSTEM TOO LEAN (BANK 1)
1. OUTLINE OF DIAGNOSIS
Detect fuel system malfunction by the amount of main feedback control.
Diagnostic method
Fuel system is diagnosed by comparing the target air fuel ratio calculated by
ECM with the actual air fuel ratio
measured by sensor.
2. ENABLE CONDI
A: REMOVAL
CAUTION:
Be sure to prevent water or oil from contacting the connector terminal of
secondary speed sensor. If
adhesion occurs, replace with a new part.
1) Remove the transmission from the vehicle. <Ref. to CVT-55, REMOVAL,
Automatic Transmission Assembly.>
2) Remove the transmiss