2001 Toyota Tundra Magnetic Clutch Circuit
I Got a magnetic clutch system failure on scan tool should I replace the throttle control motor.
2001 toyota tundra magnetic clutch circuit. If the AC compressor clutch wont engage on your late model Toyota and you find a B1479 Flow Control Circuit trouble code stored the problem is usually a bad flow control sensor. However the opening angle of the throttle valve can be controlled by the accelerator pedal through the throttle. If you have access to Techstream check the output state of the ECU to see if its asking for the AC clutch to be energized.
If this DTC is stored the ECM cuts the power for the throttle motor and the magnetic clutch and the throttle valve is fully closed by the return spring. DTC P1126 is not stored. Per 2001 Toyota repair manual page EM-103 and 105.
NG Replace throttle control motor with magnetic clutch See page SF30. Then 2 days ago the check engine light came on and I had it checked and it was a P1126 code. 4 Check operation of magnetic clutch.
ETCS consists of throttle body accelerator pedal position sensor Throttle Position TP sensor throttle control motor magnetic clutch. Toyota uses the AC flow control sensor to detect the amount of refrigerant flow through the compressor. If the P1126 code is stored the Engine Control Module ECM shuts down the power for the throttle motor and the magnetic clutch and the throttle valve is fully closed by the return spring.
The connector normally has four 4 terminals two 2 to the clutch field. Sometimes the relay that engages the clutch to. 2001 toyota tundra ewd429u 78 engine control 5vz-fe 5 16 4 8 2 1 p n 9 6 b y 12 ie2 p at w-b br br 19 ie2 a d 6 data link connector 3 7 y w w- b w- l y b- r p b- r p 1 c10 clutch start sw parkneutral position sw p b-r w- b w-b 23 15 22 w 22 2 from power source system see page 52 15a efi no.
Therefore the throttle motor opens and closes the throttle valve through the magnetic clutch. I know I should check the magnetic clutch circuit for a short or bad connection but Im a chick and dont know where that is lol. If the Horn Switch is OPEN what voltage potential Ground Positive or.