DTC DETECTION LOGIC
DTC No. | Trouble diagnosis | DTC detecting condition | Possible cause |
P1225 | Closed throttle position learning performance | Closed throttle position learning value is excessively low. | 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
Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Go to EC, "Diagnosis Procedure".
NO >> INSPECTION END
1.CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY
: Vehicle front
Is 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
Preparation
Special Service Tools
The actual shapes of KentMoore tools may differ from those of special
service tools illustrated here.
Tool number
(KentMoore No.)
Tool name
Description
KV10111100
(J37228)
Seal cutter
Removing oil pan (lower and upper) etc.
...
Engine stand setting
Setting
NOTE:
The following procedures explain how to disassemble the engine with the engine
stand fastened to the bell
housing. Some steps may be different if using a different type of engine stand.
1. Install engine to engine stand:
a. Rem ...