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:

Third outside seats
To use Pull the head restraints up. To fold Press the button Removing the head restraints Front and second outside seats Pull the head restraint up while pressing the lock release button. Second center* and third center seats Pull the head restraint up while pressi ...

How to proceed with troubleshooting
1 VEHICLE BROUGHT TO WORK SHOP 2 CUSTOMER PROBLEM ANALYSIS 3 CHECK BODY MULTIPLEX COMMUNICATION SYSTEM Check for the DTC outputs. 4 DTC CHECK 5 DTC CHART 6 PROBLEM SYMPTOMS TABLE 7 TERMINAL OF ECU 8 CIRCUIT INSPECTION 9 IDENTIFICATION OF PROBLEM 10 REPAIR OR REPLACE 11 CONFIRMATION T ...

Typical tire symbols
Run-flat tire or full-size tire Compact spare tire Tire size DOT and Tire Identification Number (TIN) Uniform tire quality grading For details, see “Uniform Tire Quality Grading” that follows. Location of treadwear indicators Run-flat tire (RFT) or standard ti ...