Toyota Sienna Service Manual: On-vehicle inspection
1. INSPECT THROTTLE BODY
- Listen to the throttle control motor operating sounds.
- Turn the ignition switch to the ON position.
- 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.
- Inspect the throttle position sensor.
- Connect the intelligent tester to the DLC3.
- Turn the ignition switch to the ON position.
- Check that the MIL turns off.
- 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.
Components
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Removal
1. REMOVE WINDSHIELD WIPER MOTOR ASSEMBLY
2. REMOVE FRONT OUTER COWL TOP PANEL SUBASSEMBLY
3. DRAIN ENGINE COOLANT
4. REMOVE V-BANK COVER SUB-ASSEMBLY
5. REMOVE NO. 2 AIR CLEANER INLET
6. REMOVE ...
Other materials:
Improper Aiming of Radar Sensor Beam Axis
DTC P1572 Improper Aiming of Radar Sensor Beam Axis
DESCRIPTION
This DTC is output when the scanning angle of the laser sensor is incorrect.
This DTC is also output when
the laser sensor beam axis is determined to be in an incorrect position.
DTC No.
DTC Detection Condition
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Short in Front Passenger Side Squib 2nd Step
Circuit
DTC B1185/57 Short in Front Passenger Side Squib 2nd Step
Circuit
DESCRIPTION
The front passenger side squib 2nd step circuit consists of the center airbag
sensor assembly and the
front passenger airbag assembly.
The circuit instructs the SRS to deploy when deployment conditions are met.
...
Canceling the power back door system (vehicles with power
back door)
Turn the main switch off to disable
the power back door system.
Off
On*
*: The orange line at the top of the
switch indicates that the power
back door system is on.
Luggage compartment light
The luggage compartment light turns on
when the back door is opened with the
luggage ...
