Toyota Sienna Service Manual: Precaution for cooling fan system

Toyota Sienna Service Manual / Introduction / Repair instruction / Precaution / Precaution for cooling fan system

NOTICE: • When the ignition switch is turned off and the engine temperature is high, the cooling fans may operate for approximately 3 minutes. • After turning the ignition switch off, keep hands and objects away from the fans when they are operating.

HINT:

If all of the following are met for a certain period of time during a few minute period immediately before the engine is stopped, the electric fans will continue to operate for 3 minutes after the engine is stopped. This is performed to ensure restartability and stabilize idle speed.

The intelligent tester indicates a very high coolant temperature.
The intelligent tester indicates a high outside air temperature.
The vehicle has been driven under high load (driving on an uphill or equivalent).

The following sensors are used for this control:

Coolant temperature sensor
Outside air temperature sensor
MAF sensor
Vehicle speed sensors

For vehicles equipped with catalytic converter

CAUTION: If a large amount of unburned gasoline or gasoline vapors flow into the converter, it may cause overheating and create a fire hazard. To prevent this, observe the following precautio ...

Vehicle lift and support locations

1. NOTICE ABOUT VEHICLE CONDITION WHEN JACKING UP VEHICLE (a) The vehicle must be unloaded before jacking up/ lifting up the vehicle. Never jack up/lift up a heavily loaded vehicle. (b) When re ...

Other materials:

Glass sunroof
General information The glass sunroof and the sun protection are operated using the same switch. Safety information Warning Body parts can be jammed when operating the glass sunroof. There is a risk of injury. Make sure that the area of movement of the glass sunroof is clear during opening and clos ...

CD Changer Mechanical Error/ CD Insertion and Ejection Error/ CD Reading Abnormal
DTC 63-10 CD Changer Mechanical Error DTC 63-11 CD Insertion and Ejection Error DTC 63-12 CD Reading Abnormal DESCRIPTION DTC No. DTC Detection Condition Trouble Area 63-10 A mechanical error in the CD changer is detected while the CD is not being inserted ...

DVD Error/ Excess Current/ Tray Insertion / Ejection Error
DTC 44-44 DVD Error DTC 44-48 Excess Current DTC 44-50 Tray Insertion / Ejection Error DESCRIPTION DTC No. DTC Detection Condition Trouble Area 44-44 Operation error in the DVD mechanism Television display assembly 44-48 Excess current is prese ...