Toyota RAV4 manuals

Toyota Sienna Service Manual: Precaution

1. TIRE PRESSURE WARNING SYSTEM PRECAUTION

TIRE PRESSURE WARNING SYSTEM PRECAUTION

(a) When the tire pressure warning light comes on, immediately check the tire pressure of the tire and adjust it to the specified value. (The tire pressure warning light will come on after blinking for 1 minute if there is an open in the tire pressure warning light circuit.)

Cold tire inflation pressure

(b) When the tire pressure warning light comes on after blinking for 1 minute, there is a malfunction in the system. Check for DTCs.

(c) It is necessary to register the transmitter ID in the tire pressure warning ECU after replacing the tire pressure warning valve and transmitter and/or tire pressure warning ECU (See page TW-20).

(d) When replacing the tire pressure warning ECU: (1) Using the DATA LIST, read the transmitter IDs registered in the ECU and make a note of them before removing the tire pressure warning ECU.

(2) Register the transmitter IDs after installing a new tire pressure warning ECU.

(e) When replacing the tire pressure warning valve and transmitter: (1) Take a note of the 8-digit number (transmitter ID) written on the new tire pressure warning valve and transmitter when replacing it. Register the transmitter IDs in the tire pressure warning ECU after replacing the tire pressure warning valve and transmitter and installing the tires and wheels on the vehicle.

TIRE PRESSURE WARNING SYSTEM PRECAUTION

NOTICE: The transmitter ID is written on the tire pressure warning valve and transmitter. It will be unable to be read after installing the tire pressure warning valve and transmitter on the tire and wheel. Therefore, take a note of the transmitter ID before installing the tire pressure warning valve and transmitter. In order to register IDs, all 4 IDs for the vehicle are necessary.

(f) When replacing the tire pressure warning ECU and the tire pressure warning valves and transmitters, it is necessary to perform the initialization (See page TW-23) after the registration (See page TW-20).

(g) Precautions about the tire pressure:

2. IN CASE OF TIRE AND WHEEL REPLACEMENT

(a) When tires and wheels are replaced, always ensure that each transmitter ID is correctly registered.

3. IN CASE OF REPLACEMENT OF TIRE PRESSURE WARNING ECU, TIRE PRESSURE WARNING VALVE AND TRANSMITTER, OR TIRE(S) WITH DIFFERENT TIRE PRESSURE

(a) Initialize the tire pressure warning system after any of the following is performed:

HINT: The tire pressure warning system will not operate properly if it is not initialized (See page TW-23).

4. FAIL-SAFE FUNCTION

(a) When a system malfunction occurs in the tire pressure warning system, the tire pressure warning light comes on after blinking for 1 minute and informs the driver of the system failure.

(b) The result of this diagnosis is stored in the tire pressure warning ECU.

5. CHECK TIRE PRESSURE AFTER REPAIRS

(a) After repairs, confirm that the actual tire pressures are displayed in DATA LIST (See page TW-35).

Tire pressure warning system
...

Parts location
SYSTEM DIAGRAM HINT: The tire pressure warning valve and transmitter sends information on the temperature inside the tire, the ID, and the tire pressure. ...

Other materials:

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