For California

P1148 CLOSED LOOP CONTROL

DTC Logic


DTC DETECTION LOGIC

NOTE:
DTC P1148 is displayed with another DTC for A/F sensor 1.
Perform the trouble diagnosis for the corresponding DTC.







Diagnosis Procedure

DTC P1148 is displayed with DTC for A/F sensor1.
When the DTC is detected, perform the trouble diagnosis of DTC corresponding to A/F sensor1.
Testing and Inspection.