DTC DETECTION LOGIC
| DTC No. | Trouble diagnosis | DTC detecting condition | Possible cause |
| P1226 | Closed throttle position learning performance | Closed throttle position learning is not performed successfully, repeatedly. | Electric throttle control actuator (TP sensor 1 and 2) |
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
TESTING CONDITION: Before performing the following procedure, confirm that battery voltage is more than 10 V at idle.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
Is 1st trip DTC detected?
YES >> Go to EC, "Diagnosis Procedure".
NO >> INSPECTION END
1.CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY
: Vehicle frontIs the inspection result normal?
YES >> GO TO 2.
NO >> Remove the foreign matter and clean the electric throttle control actuator inside, and then perform throttle valve closed position learning. Refer to EC, "Work Procedure".

2.REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
Replace electric throttle control actuator. Refer to EM, "Removal and Installation".
>> INSPECTION END
Valve oil seal
VALVE OIL SEAL : Removal and Installation
REMOVAL
Remove camshafts.
Remove valve lifters.
Rotate crankshaft, and set piston with valve oil seal to be removed to
TDC. This will prevent the valve
from dropping into cylinder.
CAUTION:
When rotating crankshaft, be careful to avoid ...
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 ...