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:

Installation
1. INSTALL TIRE PRESSURE WARNING VALVE AND TRANSMITTER (a) Insert the tire pressure warning valve and transmitter into the valve installation hole. Insert it from the inside of the rim so that the printed surface can be seen. NOTICE: Check that there is no visible deformation, damage, ...

Adjustment
HINT: On the RH side, use the same procedures as on the LH side. Since a centering bolt is used as door hinge mounting bolts on the body side and the door side, the door cannot be adjusted with them on. Substitute a bolt with a washer for the centering bolt. 1. INSPECT BACK DOOR PAN ...

Ignition Coil "A" Primary
HINT: These DTCs indicate malfunctions relating to the primary circuit. If DTC P0351 is set, check the No. 1 ignition coil with igniter circuit. If DTC P0352 is set, check the No. 2 ignition coil with igniter circuit. If DTC P0353 is set, check the No. 3 ignition coil with igniter circ ...