Toyota Sienna Service Manual: On-vehicle inspection

Toyota Sienna Service Manual / Engine / 2Gr-fe engine control system / Sfi system / Throttle body / On-vehicle inspection

1. INSPECT THROTTLE BODY

(a) Listen to the throttle control motor operating sounds.

(1) Turn the ignition switch to the ON position.

(2) When pressing the accelerator pedal position sensor lever, listen to the running motor. Make sure that no friction noise comes from the motor.

If friction noise exists, replace the throttle body.

(b) Inspect the throttle position sensor.

INSPECT THROTTLE BODY

(1) Connect the intelligent tester to the DLC3.

(2) Turn the ignition switch to the ON position.

(3) Check that the MIL turns off.

(4) Under CURRENT DATA, the throttle valve opening percentage (THROTTLE POS) should be within the standard range below.

Standard throttle valve opening percentage: 60% or more If the percentage is less than 60%, replace the throttle body.

NOTICE: When checking the throttle valve opening percentage, the transmission should be in neutral.

Removal

1. Remove windshield wiper motor assembly hint: (see page ww-4) 2. Remove front outer cowl top panel subassembly (see page em-27) 3. Drain engine coolant (see page co-6) 4. Remove v-bank cover s ...

Other materials:

Removal
1. REMOVE BACK DOOR CENTER GARNISH Using a clip remover, disengage the 5 clips to remove the back door center garnish. 2. REMOVE REAR SPOILER Disconnect the center stop light connector. Remove the 3 nuts. Using a clip remover, disengage the 2 clips to remove the rear s ...

Seat Position Airbag Sensor Circuit Malfunction
DTC B1153/25 Seat Position Airbag Sensor Circuit Malfunction DESCRIPTION The seat position airbag sensor circuit consists of the center airbag sensor assembly and the seat position airbag sensor. DTC B1153/25 is recorded when a malfunction is detected in the seat position airbag sensor cir ...

Shift lock system
On-vehicle inspection 1. CHECK SHIFT LOCK OPERATION (a) Move the shift lever to the P position. (b) Turn the ignition switch to the LOCK position. (c) Check that the shift lever cannot be moved to any position other than P. (d) Turn the ignition switch to the on position, depress the br ...