Corolla 2006-2007

Tire Pressure Monitor System

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Precautions



Specific to:

Toyota Corolla 2006-2008

When the tire pressure warning light comes on, immediately check the tire pressure and adjust it to the specified value.

Click image to see an enlarged view

Fig. Tire pressure specifications

Precautions about the tire pressure and replacement:



The tire pressures decrease naturally.
 
In winter, tire pressure may decrease due to low ambient temperatures (tire pressure decreases by approximately 10 kPa (0.1 kgf/cm 2, 1.45 psi) for every 10°C (50°F) drop in the ambient temperature). Therefore, the tire pressure warning is more likely to operate if the tire pressures are not adjusted appropriately. If the daily temperature variation is large, pressurize the tires high so that the tire pressures are suitable under cold conditions. Incorrect tire pressure warning operation becomes less likely.
 

Pressure Monitor



Initialization Procedure

Specific to:

Toyota Corolla 2006-2008

Perform initialization after the transmitter ID registration is completed.



Perform initialization in the following cases:
 
Before delivery of a new vehicle.
 
After replacement of the tire pressure warning ECU.
 
After replacement of a tire pressure warning valve and transmitter.
 
Specified tire pressure changes depending on the size or type of the tire.
 
Before initialization set the all tire pressures to the specified value.
 

  1. Initialization procedure cannot be performed without proper Scan Tool.

    Click image to see an enlarged view

    Fig. Identifying Tire Pressure Warning Reset

  2.  

Precautions

Specific to:

Toyota Corolla 2006-2008

  1. When the tire pressure warning light comes on, immediately check the air pressure of all tires and adjust to the specified pressure. Set tire pressure within the specified range before initialization. If the tire pressure is not within the specified range, the tire pressure warning system will not function.
  2.  
  3. In the following cases, the system may not operate normally:
    1. A compact spare tire, snow tires, or tire chains are used.
    2.  
    3. The tire pressure is excessively higher than specified, or tire pressure suddenly drops due to bursting or other causes.
    4.  
    5. The vehicle is driven on a slippery road surface such as rough or frozen roads.
    6.  
    7. The vehicle speed is less than 19 MPH (30 km/h) or more than 62 MPH (100 km/h) , and the driving duration is less than 5 minutes.
    8.  
    9. The tires differ in tread pattern or by manufacturer.
    10.  
    11. The tires are not the specified size.
    12.  
    13. The tread wear is very different among the installed tires.
    14.  
    15. During rapid acceleration/deceleration or sharp turns.
    16.  
    17. Towing a trailer.
    18.  
    19. The loading is over the limit or imbalanced.
    20.  
    21. Initialization was not performed correctly after replacing or rotating tires or wheels.
    22.  
    23. The outside temperature is below 32°F (0°C) or above 104°F (40°C).
    24.  

  4.  

Fail-Safe Function

Specific to:

Toyota Corolla 2006-2008

  1. When a system malfunction occurs in the tire pressure warning system, the tire pressure warning light blinks.
  2.  
  3. The result of this diagnosis is stored in the skid control ECU.
  4.  

Initialization Procedure

Specific to:

Toyota Corolla 2006-2008

  1. This system requires initialization after changing tires or wheels, or after rotating the tires.
  2.  
  3. Be sure to adjust the tire pressure to the specified value before initialization.
  4.  
  5. With the vehicle stopped, turn the ignition switch to the ON position
  6.  
  7. Press and hold the tire pressure warning reset switch until the tire pressure warning light blinks 3 times at 1 second intervals.
    NOTE
    If the tire pressure warning light does not blink, perform the initialization again. If the tire pressure warning light repeats a cycle of ON (0.5 sec.) and OFF (2.5 sec.) while the vehicle is being driven, initialization may have failed. If so, perform the initialization again.

  8.  
  9. Drive the vehicle at 19 MPH (30 km/h) or more, to complete initialization of the skid control ECU. (It takes more than one hour.)
  10.  
  11. After initialization is completed, the skid control ECU monitors the tire pressure by using the wheel speed sensors.
  12.  
  13. To verify that the system has been initialized, check the length of time the tire pressure warning light is on after turning the ignition switch to the ON position.
    1. Not initialized: 4 sec.
    2.  
    3. Initialized: 3 sec.
    4.  

  14.  

Servicing



Specific to:

Toyota Corolla 2006-2008

  1. When the tire pressure warning light comes on after blinking for 1 minute, there is a malfunction in the system. Check for DTCs.
  2.  
  3. It is necessary to register the transmitter ID in the tire pressure warning ECU after replacing a tire pressure warning valve and transmitter and/or tire pressure warning ECU.
  4.  
  5. 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.  
    3. Register the transmitter IDs after installing a new tire pressure warning ECU.
    4.  

  6.  
  7. When replacing a tire pressure warning valve and transmitter:
    1. Take a note of the 7-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 onto the wheels.
      NOTE
      The transmitter ID is written on the tire pressure warning valve and transmitter. It will be unable to be read after installing the tire onto the wheel. Therefore, take a note of the transmitter ID before installing the tire onto the wheel. In order to register IDs, all IDs for the vehicle are necessary.



      Click image to see an enlarged view

      Fig. Identifying tire pressure warning transmitter

    2.  

  8.  
  9. When replacing the tire pressure warning ECU and a tire pressure warning valve and transmitters, it is necessary to perform the initialization after the registration.
  10.  

Tire Replacement
  1. When tires and wheels are replaced, always ensure that each transmitter ID is correctly registered.
  2.  
  3. In case of replacement of tire pressure warning ECU, tire pressure warning valve and transmitter, or tires with different tire pressure, Initialize the tire pressure warning system after any of the following is performed:
    1. Replacing the tire pressure warning ECU and/or a tire pressure warning valve and transmitter.
    2.  
    3. Installing tire(s) which require different tire pressure.
    4.  
    5. Registering a transmitter ID.
    6.  

  4.  

 
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