P1148 closed loop control
DTC Logic
DTC DETECTION LOGIC
NOTE:
DTC P1148 is displayed with DTC for A/F sensor 1.
When the DTC is detected, perform the trouble diagnosis of DTC corresponding to
A/F sensor 1.
DTC No.
Trouble diagnosis
(Trouble diagnosis content)
DTC detecting condition
Possible cause ...
Vacuum lines
Exploded View
1. Clamp 2. Vacuum hose 3. Vacuum piping
A. To brake booster B. Paint mark C. To intake manifold
Removal and Installation
REMOVAL
Remove the air cleaner and duct assembly. Refer to EM "Exploded View".
Remove the vacuum hose and vacuum piping.
INSTALLATION
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