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:

Panel Switches do not Function
INSPECTION PROCEDURE 1 CHECK PANEL SWITCH Check for foreign matter around the switches that might prevent operation. OK: No foreign matter is found 2 CHECK PANEL SWITCH (DISPLAY CHECK MODE) Enter the "Display Check" mode (Panel Switch Check). Operate the abnorma ...

Removal
1. REMOVE FRONT WHEEL 2. REMOVE FRONT AXLE HUB LH NUT HINT: (See page AH-4) SST 09930-00010 3. SEPARATE SPEED SENSOR FRONT LH HINT: (See page AH-4) 4. SEPARATE FRONT DISC BRAKE CALIPER ASSEMBLY LH HINT: (See page AH-4) 5. REMOVE FRONT DISC 6. SEPARATE TIE ROD ASSEMBLY LH HINT: (See pa ...

Heated steering wheel/seat heaters
Heated steering wheel and seat heaters heat the side grips of the steering wheel and seats, respectively. WARNING Care should be taken to prevent injury if anyone in the following categories comes in contact with the steering wheel and seats when the heater is on: ...