DTC Description
DTC DETECTION LOGIC
DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition |
P1226 | CTP LEARNING-B1 (CTP LEARNING-B1) | Closed throttle position learning is not performed successfully, repeatedly |
POSSIBLE CAUSE
Electric throttle control actuator (TP sensor 1 and 2)
FAIL-SAFE
Not applicable
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 >> Proceed to EC-401, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY
Is the inspection result normal? YES >> Replace electric throttle control actuator. Refer to EM- 26, "Removal and Installation".
NO >> Remove the foreign matter and clean the electric throttle control actuator inside, then perform throttle valve closed position learning. Refer to EC-140, "Work Procedure".
Hill descent control switch (if so equipped)
Hill descent control switch (if so equipped)
WARNING
Never rely solely on the hill descent
control system to control vehicle speed
when driving on steep downhill grades.
Always drive carefully when using the
hill descent control system and decelerate
the vehic ...
Head restraints/Headrests
WARNINGHead restraints/headrests supplement
the other vehicle safety systems. They may
provide additional protection against injury
in certain rear end collisions. Adjustable
head restraints/headrests must be
adjusted properly, as specified in this section.
Check the adjus ...
Normal operating condition
Description
FUEL CUT CONTROL (AT NO LOAD AND HIGH ENGINE SPEED)
If the engine speed is above 1,800 rpm under no load (for example, the
selector lever position is neutral and
engine speed is over 1,800 rpm) fuel will be cut off after some time. The exact
time when the fuel is cut off varies
b ...