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 WINDSHIELD WIPER MOTOR ASSEMBLY Apply MP grease to the crank arm pivot of the windshield wiper motor assembly. Install the windshield wiper motor assembly with the 3 bolts to the windshield wiper link assembly. Torque: 7.5 N*m (76 kgf*cm, 66 in.*lbf) 2. INST ...

Park / Neutral Position Switch Circuit
DESCRIPTION The clearance warning ECU receives the reverse or park position signal from the park / neutral position switch. WIRING DIAGRAM INSPECTION PROCEDURE 1 INSPECT CLEARANCE WARNING ECU Disconnect the C9 connector from the clearance warning ECU. Measure the voltage ...

Installation
1. TEMPORARILY TIGHTEN AIR CONDITIONING UNIT ASSEMBLY (a) Engage the 2 claws. (b) Temporarily tighten the air conditioning unit assembly with the nut. Torque: 9.8 N*m (100 kgf*cm, 87 in.*lbf) 2. INSTALL LOWER DEFROSTER NOZZLE ASSEMBLY (a) Engage the 4 claws and install the lower defr ...