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:

No. 1 Ultrasonic sensor
COMPONENTS REMOVAL 1. REMOVE FRONT FENDER LINER LH 2. REMOVE FRONT FENDER LINER RH 3. REMOVE FRONT BUMPER COVER 4. REMOVE REAR BUMPER COVER (2) 5. REMOVE NO. 1 ULTRASONIC SENSOR RETAINER Remove the No. 1 ultrasonic sensor retainer as shown in the illustration 6. REMOVE ...

Crankshaft Position Sensor
DESCRIPTION The Crankshaft Position (CKP) sensor system consists of a CKP sensor plate and a pickup coil. The sensor plate has 34 teeth and is installed on the crankshaft. The pickup coil is made of an iron core and a magnet. The sensor plate rotates as each tooth passes through the pi ...

Knock Sensor Circuit Low Input/ Knock Sensor Circuit High Input
DTC P0327 Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor) DTC P0328 Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor) DTC P0332 Knock Sensor 2 Circuit Low Input (Bank 2) DTC P0333 Knock Sensor 2 Circuit High Input (Bank 2) DESCRIPTION A flat type knock sensor (non-resona ...