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:

Removal
1. REMOVE INSTRUMENT CLUSTER CENTER NO. 1 FINISH PANEL 2. REMOVE INSTRUMENT CLUSTER CENTER NO. 2 FINISH PANEL 3. REMOVE INSTRUMENT CLUSTER FINISH PANEL GARNISH 4. REMOVE RADIO RECEIVER Remove the 4 screws. Disconnect the connectors and remove the radio receiver with bracke ...

Diagnostic trouble code chart
If a trouble code is displayed during the DTC check, check the circuit listed for that code. For details of each code, turn the page mentioned below the "DTC No" in the DTC chart. the "DTC No" in the DTC chart. 1. TRANSPONDER KEY ECU DIAGNOSTIC TROUBLE CODE CHART TRANSPON ...

Brake Warning Light does not Come ON
WIRING DIAGRAM See page BC-52. INSPECTION PROCEDURE 1 INSPECT BRAKE WARNING LIGHT (a) Disconnect the skid control ECU connector. (b) Turn the ignition switch to the on position. (c) Check that the BRAKE warning light comes on. OK: BRAKE warning light comes on. HINT: If troubleshooting ...