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:

Disassembly
1. REMOVE CENTER CLUSTER MODULE KNOB NO.1 (for Manual Air Conditioning System) (a) Remove the center cluster module knob No. 1. 2. REMOVE CENTER CLUSTER MODULE KNOB NO.2 (for Manual Air Conditioning System) (a) Release the 2 claws fittings and remove the center cluster module knob No ...

Noise Occurs from Generator while Engine is Running
INSPECTION PROCEDURE 1 CHECK LOOSENESS OF V-RIBBED BELT (a) Check the tension of the belt by pushing it down with a finger. OK: The tension of the belt is enough. 2 CHECK V-RIBBED BELT FOR WEAR (a) Check the V-ribbed belt for wear. OK: The V-ribbed belt is not worn. 3 CHECK CLUTC ...

No Master/ Connection Check Error
DTC 01-D6 No Master DTC 01-D7 Connection Check Error DESCRIPTION HINT: *1: Even if no fault is present, this trouble code may be stored depending on the battery condition or engine start voltage. *2: When 210 seconds have elapsed after disconnecting the power supply ...