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Tire Monitor System - Usage of TPMS Sensor Tools

06-072

October 19, 2007

Applies To:
See VEHICLES AFFECTED

TPMS Sensor Tool Usage

(Supersedes 06-072, dated January 5, 2007, to update the information marked by the black bars and asterisks)

*VEHICLES AFFECTED

2008 Accord - ALL

2008 Civic - ALL

2007-08 CR-V - ALL

2007-08 Element - ALL

2008 Fit - ALL

2007-08 Odyssey - ALL except Touring

2008 S2000 - ALL*

INTRODUCTION

Beginning with some 2007 models, Honda is using a second type of TPMS (tire pressure monitoring system) that does not use initiators like the 2006 and earlier

TPMS.

All TPMS sensors:

^ Are mounted on the inside of the rim, connected to the valve stem.

^ Use a wireless transmission to send tire pressure and temperature information to the TPMS unit.

^ Use non-replaceable batteries. To save battery life, the sensors turn on only when the vehicle is being used.

Initiator-Type TPMS (Location-Type TPMS)

*The first type of TPMS (all vehicles through 2006) uses initiators mounted above each wheel. When you turn the ignition switch to ON (II), the initiators send out a low frequency signal to turn on the TPMS sensors. The initiator, in conjunction with the TPMS control unit, determines the tire location. For example, if the right front tire is low on air, the customer sees the low tire pressure indicator and an indiction that the right front tire is low on pressure. The initiator-type TPMS, or location-type TPMS (in the HDS), is used on the 2005-08 Pilot, the 2006-08 Ridgeline, and the 2005-08 Odyssey Touring models.*

Initiator-less TPMS (No Location-Type TPMS)

The new TPMS does not use initiators. The TPMS sensors have a built-in acceleration sensor that turns on the TPMS sensors when the vehicle speed reaches about 25 mph. Without an initiator, the TPMS control unit cannot determine tire location. For example, if the right front tire is low on air, the customer sees only the low pressure indicator and must check all four tires to find the problem tire. During diagnosis, the TPMS control unit provides a code for each tire.

NOTE:

^ During diagnosis, the TPMS control unit gives a tire number, but you need to do the sensor position check to find the location of the tire number.

^ Use with HDS software version 2.011.010 or later. The initiator-less TPMS, or no location-type TPMS, is used on vehicles affected by this bulletin.

A TPMS sensor tool is used for troubleshooting and replacing the TPMS sensors. See TOOL DESCRIPTION for more information.

WARRANTY CLAIM INFORMATION

None.





TOOL INFORMATION

TOOL DESCRIPTION

TPMS Sensor Tool





The TPMS sensor tool is a wireless tool that is used with the HDS for troubleshooting (sensor position check) and for replacing TPMS sensors or the control unit (sensor ID learning).

General use:

^ Always make sure the TPMS sensor tool is set to low power unless otherwise instructed.

*^ Make sure there are no vehicles or other wheels with TPMS sensors within 10 feet of the vehicle you are working on.

^ Make sure the batteries are in good condition and secure in the case. Refer to ServiceNews article A07050D, Keep Those TPMS Sensor Tool Batteries From Popping Loose, for more information.*





^ Turn on the TPMS sensor tool by following the HDS instructions. There are two different wavelengths used, and there are two ways to turn on the TPMS sensor tool. If the TPMS sensor tool is not turned on correctly, you won't be able to troubleshoot the vehicle or do the sensor ID learning procedure.

^ Turn off the TPMS sensor tool by pressing and holding the small button as shown until the green light in the button turns off. The tool will also turn off after 5 minutes of inactivity.

NOTE:
Offset your finger, or use just your nail to push the buttons, so you can see the light in the buttons.

AC Adapters for the TPMS Sensor Tool

Two AC adapters are included in the TPMS sensor tool kit. The 900 AC adapter is for the battery charger. Use the straight AC adapter to power the TPMS sensor tool when charged batteries are not available.

NOTE:

^ The AC adapter does not charge the batteries in the TPMS sensor tool.

^ Remove the batteries from the TPMS sensor tool when using the AC adapter.





Using the Battery Charger

There are two ways to charge the batteries. The method to use depends on the batteries' state of charge. For brand new or fully discharged batteries:

1. Connect the AC adapter to the charger (make sure you use the AC adapter with the 90° bend).

2. Insert the batteries into the charger. Make sure you note the polarity (direction) of the batteries.

3. Plug the charger into a power outlet. The LEDs turn red, and quick charging begins.

NOTE:

^ If the LEDs do not come on, check that the batteries are properly installed. If the LEDs still do not come on, replace the batteries.

^ If you press the red button while the batteries are charging, the battery discharge mode begins. Press the red button again within 30 seconds, and the charger switches back to its quick charge mode.

^ When the LEDs turn green, the batteries are charged, and the battery charger automatically switches to trickle charge mode.

^ Remove the batteries from the charger when it is not plugged in.

For charging batteries when you don't know the state of charge:

1. Connect the AC adapter to the charger (make sure you use the AC adapter with the 90° bend).

2. Insert the batteries into the charger. Make sure you note the polarity (direction) of the batteries.

3. Plug the charger into a power outlet.

4. Press the red button once to start the discharge mode. The LEDs blink red.

NOTE:

^ If the LEDs do not come on, check that the batteries are properly installed. If the LEDs still do not come on, replace the batteries.

^ If you press the red button a second time within 30 seconds, the battery quick charge mode begins.

^ Once the batteries are discharged, the LEDs turn solid red and the battery quick charge mode begins.

^ When the LEDs turn green, the batteries are charged, and the battery charger automatically switches to trickle charge mode.

^ Remove the batteries from the charger when it is not plugged in.

SENSOR POSITION CHECK





When the TPMS sets a DTC, it refers to Tire 1, Tire 2, Tire 3, or Tire 4. In the service manual, the tire number is the sensor number. For example, Tire 2 is sensor 2.

However, the tire number is not the tire position. To diagnose or repair the vehicle, do the sensor position check to find the location of the problem tire (or sensor) on the vehicle.

1. Turn the ignition switch to ON (II).

2. Connect the HDS to the vehicle.





3. On the HDS main screen, select the HDS icon.





4. On the HDS version screen, select the cars icon.





5. The VIN information appears automatically, but you must enter the mileage, and select the Enter button.





6. In the Select Mode menu, select Honda Systems, then select the Enter button.





7. In the System Selection Menu, select TPMS, then select the Enter button.





8. In the Mode menu, select Functional Tests, then select the Enter button.





9. In the Functional Test menu, select Sensor Position Check, then select the Enter button.





*10. On the Sensor Position Check screen, turn on the TPMS sensor tool by following the on-screen instructions. (The Accord is shown on the sample screen.)*

NOTE:
Each model is different. Turning on the TPMS sensor tool incorrectly could lead to incorrect diagnosis and repair.

Once the TPMS sensor tool is turned on, select the YES button.





11. Follow the instructions on the Sensor Position Check screen. When prompted, go to the left front wheel, then select the Enter button.





12. Wait about 5 seconds, and the Sensor Position Check screen changes to an operation progress bar.

* NOTE:

^ Wait for the timer to start. When the blue bar appears, use the TPMS sensor tool.*

^ If the sensor IDs appear without the TPMS sensor tool button being pushed, a TPMS sensor is transmitting. Select the Exit button, wait 5 minutes for the sensor to go to sleep, then follow the on-screen prompts.

13. Point and hold the TPMS sensor tool 10 to 20 inches from the left front wheel valve stem. Press and hold the large transmit button for up to 1 minute. The button should flash red. The TPMS sensor tool sends a signal to the TPMS sensor to turn on and broadcast the TPMS sensor ID to the TPMS control unit.

14. Watch for the TPMS sensor IDs to appear on the HDS screen. The TPMS control unit must read the sensor ID five times to complete the learning procedure.





NOTE:
Only four TPMS sensor IDs are shown.

15. The TPMS sensor ID learning changes to the following screen once the procedure is complete. Select the Enter button.





NOTE:
If the sensor does not respond (no sensor IDs are displayed), rotate the tire one-quarter turn and try again. If the TPMS sensor does not respond after one full rotation of the tire, switch the tire to a known-good location and try again. If the TPMS sensor still does not respond after one full rotation of the tire, replace the TPMS sensor.





16. When prompted, go to the left rear wheel, then select the Enter button.

17. The TPMS sensor ID learning procedure goes through the same steps as the left front wheel (see steps 12 thru 15). When the timer starts (the blue bar appears), point and hold the TPMS sensor tool 10 to 20 inches from the left rear wheel valve stem. Press and hold the large transmit button for up to 1 minute. The button should flash red. The TPMS sensor tool sends a signal to the TPMS sensor to turn on and broadcast the TPMS sensor ID to the TPMS control unit.

NOTE:

^ If the sensor IDs appear without the TPMS sensor tool button being pushed, a TPMS sensor is transmitting. Select the Exit button, wait 5 minutes for the sensors to go to sleep, then follow the on-screen prompts.

^ If the sensor does not respond (no sensor IDs are displayed), rotate the tire one-quarter turn and try again. If the TPMS sensor does not respond after one full rotation of the tire, switch the tire to a known-good location and try again. If the TPMS sensor still does not respond after one full rotation of the tire, replace the TPMS sensor.





18. When prompted, go to the right rear wheel, then select the Enter button.

19. The TPMS sensor ID learning procedure goes through the same steps as the left front wheel (see steps 12 thru 15). When the timer starts (the blue bar appears), point and hold the TPMS sensor tool 10 to 20 inches from the right rear wheel valve stem. Press and hold the large transmit button for up to 1 minute. The button should flash red. The TPMS sensor tool sends a signal to the TPMS sensor to turn on and broadcast the TPMS sensor ID to the TPMS control unit.

NOTE:

^ If the sensor IDs appear without the TPMS sensor tool button being pushed, a TPMS sensor is transmitting. Select the Exit button, wait 5 minutes for the sensors to go to sleep, then follow the on-screen prompts.

^ If the sensor does not respond (no sensor IDs are displayed), rotate the tire one-quarter turn and try again. If the TPMS sensor does not respond after one full rotation of the tire, switch the tire to a known-good location and try again. If the TPMS sensor still does not respond after one full rotation of the tire, replace the TPMS sensor.





20. When prompted, go to the right front wheel, then select the Enter button.

21. The TPMS sensor ID learning procedure goes through the same steps as the left front wheel (see steps 12 thru 15). When the timer starts (the blue bar appears), point and hold the TPMS sensor tool 10 to 20 inches from the right front wheel valve stem. Press and hold the large transmit button for up to 1 minute. The button should flash red. The TPMS sensor tool sends a signal to the TPMS sensor to turn on and broadcast the TPMS sensor ID to the TPMS control unit.

NOTE:

^ If the sensor IDs appear without the TPMS sensor tool button being pushed, a TPMS sensor is transmitting. Select the Exit button, wait 5 minutes for the sensors to go to sleep, then follow the on-screen prompts.

^ If the sensor does not respond (no sensor IDs are displayed), rotate the tire one-quarter turn and try again. If the TPMS sensor does not respond after one full rotation of the tire, switch the tire to a known-good location and try again. If the TPMS sensor still does not respond after one full rotation of the tire, replace the TPMS sensor.








22. The sensor position check is complete. Using the DTC(s) and the information on the Sensor Position Check screen, locate the problem tire.

The following table and screen are examples only.

If the vehicle has DTC 22-1,this means that the problem is in tire 2 (sensor 2).





You must refer to the Sensor Position Check screen to see what location tire 2 is in. Do not assume it is in position 2 (left rear tire).

According to the Sensor Position Check screen tire 2 is in position 1, the left front tire.

SENSOR ID LEARNING

NOTE:
Even if you replace only one sensor, the Sensor ID Learning procedure must be done to all four wheels.

1. Turn the ignition switch to ON (II).

2. Connect the HDS.





3. On the HDS main screen, select the HDS icon.





4. On the HDS version screen, select the cars icon.





5. The VIN information appears automatically, but you must enter the mileage, and select the Enter button.





6. In the Select Mode menu, select Honda Systems, and select the Enter button.





7. In the System Selection Menu, select TPMS, then select the Enter button.





8. In the Mode Menu, select Sensor ID Learning, then select the Enter button.





9. In the TPMS Sensor ID Learning screen, select the Enter button.

NOTE:
Make sure there are no other vehicles or other wheels with TPMS sensors within 10 feet of the vehicle you are working on.

10. On the TPMS Sensor ID Learning screen, turn on the TPMS sensor tool by following the on-screen instructions. The Accord is shown on the sample screen.





NOTE:
Each model is different. Turning on the TPMS sensor tool incorrectly could lead to incorrect diagnosis and repair.

Once the TPMS sensor tool is turned on, select the YES button.





11. Follow the instructions on the TPMS Sensor ID Learning screen. When prompted, go to the left front wheel, then select the Enter button.





12. Wait about 5 seconds, and the TPMS Sensor ID Learning screen should change to an operation progress bar.

NOTE:

^ Wait for the timer to start. When you see the blue bar, use the TPMS sensor tool.

^ If the sensor IDs appear without the TPMS sensor tool button being pushed, a TPMS sensor is transmitting. Select the Exit button, wait 5 minutes for the sensor to go to sleep, then follow the on-screen prompts.

13. Point and hold the TPMS sensor tool 10 to 20 inches from the left front wheel valve stem. Press and hold the large transmit button for up to 1 minute. The button should flash red. The TPMS sensor tool sends a signal to the TPMS sensor to turn on and broadcast the TPMS sensor ID to the TPMS control unit.





14. Watch for the TPMS sensor IDs to appear on the HDS screen The TPMS control unit must read the sensor ID five times to complete the learning procedure.

NOTE:
Only four TPMS sensor IDs are shown below.

15. The TPMS sensor ID learning changes to the following screen once the procedure is complete. Select the Enter button.





NOTE:
If the sensor does not respond (no sensor IDs are displayed), rotate the tire one-quarter turn and try again. If the TPMS sensor does not respond after one full rotation of the tire, switch the tire to a known-good location and try again. If the TPMS sensor still does not respond after one full rotation of the tire, replace the TPMS sensor.





16. When prompted, go to the left rear wheel, then select the Enter button.

17. The TPMS sensor ID learning procedure goes through the same steps as the left front wheel (see steps 12 thru 15). When the timer starts (the blue bar appears), point and hold the TPMS sensor tool 10 to 20 inches from the left rear wheel valve stem. Press and hold the large transmit button for up to 1 minute. The button should flash red. The TPMS sensor tool sends a signal to the TPMS sensor to turn on and broadcast the TPMS sensor ID to the TPMS control unit.

NOTE:

^ If the sensor IDs appear without the TPMS sensor tool button being pushed, a TPMS sensor is transmitting. Select the Exit button, wait 5 minutes for the sensor to go to sleep, then follow the on-screen prompts.

^ If the sensor does not respond (no sensor IDs are displayed), rotate the tire one-quarter turn and try again. If the TPMS sensor does not respond after one full rotation of the tire, switch the tire to a known-good location and try again. If the TPMS sensor still does not respond after one full rotation of the tire, replace the TPMS sensor.





18. When prompted, go to the right rear wheel, then select the Enter button.

19. The TPMS sensor ID learning procedure goes through the same steps as the left front wheel (see steps 12 thru 15). When the timer starts (the blue bar appears), point and hold the TPMS sensor tool 10 to 20 inches from the right rear wheel valve stem. Press and hold the large transmit button for up to 1 minute. The button should flash red. The TPMS sensor tool sends a signal to the TPMS sensor to turn on and broadcast the TPMS sensor ID to the TPMS control unit.

NOTE:

^ If the sensor IDs appear without the TPMS sensor tool button being pushed, a TPMS sensor is transmitting. Select the Exit button, wait 5 minutes for the sensor to go to sleep, then follow the on-screen prompts.

^ If the sensor does not respond (no sensor IDs are displayed), rotate the tire one-quarter turn and try again. If the TPMS sensor does not respond after one full rotation of the tire, switch the tire to a known-good location and try again. If the TPMS sensor still does not respond after one full rotation of the tire, replace the TPMS sensor.





20. When prompted, go to the right front wheel, then select the Enter button.

21. The TPMS sensor ID learning procedure goes through the same steps as the left front wheel (see steps 12 thru 15). When the timer starts (the blue bar appears), point and hold the TPMS sensor tool 10 to 20 inches from the right front wheel valve stem. Press and hold the large transmit button for up to 1 minute. The button should flash red. The TPMS sensor tool sends a signal to the TPMS sensor to turn on and broadcast the TPMS sensor ID to the TPMS control unit.

NOTE:

^ If the sensor IDs appear without the TPMS sensor tool button being pushed, a TPMS sensor is transmitting. Select the Exit button, wait 5 minutes for the sensor to go to sleep, then follow the on-screen prompts.

^ If the sensor does not respond (no sensor IDs are displayed), rotate the tire one-quarter turn and try again. If the TPMS sensor does not respond after one full rotation of the tire, switch the tire to a known-good location and try again. If the TPMS sensor still does not respond after one full rotation of the tire, replace the TPMS sensor.





22. The sensor ID learning procedure is complete. Select the Enter button to continue to register the TPMS sensor IDs in the TPMS unit.





23. The low tire pressure indicator is flashing and requires road-testing the vehicle. On the TPMS Sensor ID Learning screen, select the Enter button.

24. Drive the vehicle for 2 minutes above 30 mph, or until the low tire pressure indicator goes off. Once the indicator goes off, stop the vehicle.





25. In the Mode Menu, select the Data List, and then select the Enter button. Check the tire pressure at all four tires to confirm that the TPMS control unit is reading the correct tire pressures.





26. Return to the Mode Menu, select DTCs, then select the Enter button.





27. Clear any DTCs set by selecting the DTCs icon.





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