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 |
P1148 | CLOSED LOOP-B1 (Closed loop control function) | The closed loop control function does not operate even when vehicle is being driven in the specified condition. |
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Diagnosis Procedure
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.
Refer to EC, "DTC Index".
Vehicle identification
Vehicle identification number (VIN) plate
The vehicle identification number (VIN) plate is
attached as shown. This number is the identification
for your vehicle and is used in the vehicle
registration.
Vehicle identification number (chassis number)
The vehicle identification number i ...
Additional service when replacing
transaxle assembly
Description
Perform the following work after the transaxle assembly is replaced.
ERASING AND LOADING OF THE CALIBRATION DATA
The TCM acquires calibration data (individual characteristic value) of
each solenoid that is stored in the
ROM assembly (in the control valve). This enables the TCM ...