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:

Cellular Phone Registration Failure, Phone Directory Transfer Failure
INSPECTION PROCEDURE 1 CHECK CURRENT CONDITIONS Proceed to the next step according to the table below. RESULT 2 CHECK USING ANOTHER CELLULAR PHONE Check if the system functions using another Bluetooth compatible cellular phone. HINT: Confirm that either the same or a di ...

Manual Up / Down and Auto Down Function does not Operate on Driver Side
DESCRIPTION If the manual UP/DOWN function does not operate, no power may be supplied to the power window master switch or the power window motor. The power window master switch itself or the wire harness may be malfunctioning. WIRING DIAGRAM INSPECTION PROCEDURE 1 INSPECT FUSE (P/W) ...

For vehicles equipped with traction control (trac) system
When using a 2-wheel drum tester such as a speedometer tester or chassis dynamometer, etc., or jacking up the front wheels and driving the wheels, always push in the TRAC cut ("TRAC OFF") switch and turn the TRAC system OFF. FOR VEHICLES EQUIPPED WITH TRACTION CONTROL (TRAC) SYS ...