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:

Terminals of ecm
1. Ecm Hint: each ecm terminal's standard voltage is shown in the table below. In the table, first follow the information under "condition". Look under "symbols (terminal no.)" For the terminals to inspected. The standard voltage between the terminals is shown under ...

Reassembly
1. INSTALL INSTR PNL PASS L/DOOR AIR BAG ASSEMBLY 2. INSTALL INSTRUMENT PANEL WIRE NO.2 3. INSTALL NAVIGATION ANTENNA ASSEMBLY 4. INSTALL ANTENNA CORD SUB-ASSEMBLY 5. INSTALL INSTRUMENT PANEL BOX DOOR SUBASSEMBLY NO.2 6. INSTALL INSTRUMENT PANEL FINISH PANEL RETAINER NO.1 7. INSTALL INSTRUM ...

Inspection
1. INSPECT SPIDER BEARING (a) Check that the spider bearing moves smoothly by turning the flange. (b) Check for the looseness around the joint by strongly moving the flange in the axial and radial directions. HINT: If necessary, replace the shaft. 2. INSPECT INTERMEDIATE SHAFT (a) Usin ...