Ridgeline 2007-2008

Tire Pressure Monitor System

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Precautions



Specific to:

Honda Ridgeline 2006-2008

The tire pressures decrease naturally. In winter, tire pressure may decrease due to low ambient temperatures (tire pressure decreases by approximately 1.45 psi (10 kPa) for every 50°F (10°C) 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.

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

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

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.

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.

  1. 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.  

  2.  
  3. When replacing a tire pressure warning valve and transmitter:
    1. Take 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 note of the transmitter ID before installing the tire onto the wheel. In order to register IDs, all IDs for the vehicle are necessary.

    2.  
    3. 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.
    4.  

  4.  

Specific to:

Honda Ridgeline 2006-2008

The tire pressures decrease naturally. In winter, tire pressure may decrease due to low ambient temperatures (tire pressure decreases by approximately 1.45 psi (10 kPa) for every 50°F (10°C) 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.

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

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

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.

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.

  1. 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.  

  2.  
  3. When replacing a tire pressure warning valve and transmitter:
    1. Take 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 note of the transmitter ID before installing the tire onto the wheel. In order to register IDs, all IDs for the vehicle are necessary.

    2.  
    3. 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.
    4.  

  4.  

Servicing



Specific to:

Honda Ridgeline 2006-2008

  1. Before servicing the vehicle, refer to the precautions.
  2.  
  3. Raise and safely support the vehicle securely on jackstands.
  4.  
  5. Remove the wheel with the faulty sensor.
  6.  
  7. Remove the tire valve cap and the valve core, and let the tire deflate.
  8.  
  9. Remove any balance weights, and then break the bead loose from the wheel with a commercially available tire changer.
    WARNING
    Do the outside of the wheel first. Position the wheel as shown so the valve stem is 90 degrees from the bead breaker. Do not position the bead breaker of the tire changer too close to the rim.

  10.  
  11. Position the wheel so the tire machine and tire iron are next to the valve stem and will move away from it when the machine starts. Then remove the tire from the wheel.
  12.  
  13. Remove and discard the valve stem nut (A), then remove the tire pressure sensor and valve stem (B) from the wheel.
  14.  
  15. Remove and discard the valve stem, and the screw from the tire pressure sensor.
    NOTE
    The valve stem grommet might stay in the wheel; make sure you remove it.


    WARNING
    Use only wheels that have counterweights (A) or a ''SJC'' stamp (B) on them.



    Click image to see an enlarged view

    Fig. Use only wheels that have counterweights (A) or a ''SJC'' stamp (B) on them

  16.  
  17. Assemble the new valve stem, new screw, and the sensor-transmitter.
    NOTE
    Always use a new valve stem and new screw.

  18.  
  19. Before installing the tire pressure sensor, clean the mating surfaces on the sensor and the wheel. the tire pressure sensor to the wheel, and tighten the valve nut finger tight. Make sure the pressure sensor is resting on the wheel.
  20.  
  21. Tighten the valve nut to 3 ft. lbs. (4 Nm) while holding the tire pressure sensor toward the wheel. You may hear a snap or pop as you tighten the nut. This is normal.
    WARNING
    Do not reuse any nut that has been tightened, even one time, as it is deformed inside. Do not use air or electric impact tools to tighten a valve stem nut. Tightening the nut above the specified torque can damage the nut. Make sure that there is no space between the sensor and the wheel.

  22.  
  23. Lube the tire bead, and position the wheel so the tire machine and tire iron are next to the valve stem and will move away from it when the machine starts. Then install the tire onto the wheel.
  24.  
  25. Inflate the tire to 44 PSI (300 kPa) to seat the tire bead to the rim, then adjust the tire pressure to 32 PSI (220 kPa) cold and install the valve stem cap.
    WARNING
    Make sure the tire bead is seated on both sides of the rim uniformly.

  26.  
  27. Check and adjust the wheel balance, then install the wheels on the vehicle. Torque the wheels to specifications.
  28.  
  29. Remove the jack stands, and lower the jack.
  30.  
  31. Connect the HDS or equivalent OBD II scan tool and memorize the pressure sensor ID(s).
  32.  

 
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