TPMS Reset: Infiniti M45 2003-2010 Tire Pressure Sensor
Infiniti M45 2003-2010 Tire Pressure Monitoring System TPMS Reset
Easy to follow procedure on how to reset/relearn the TPMS service maintenance indicator warning light on Infiniti M45 for the year 2003, 2007, 2008 and 2010.
A TPMS Tool and OBDII Module, or another properly formatted TPMS scan tool, is required to perform this procedure.
Procedure using a TPMS Tool and OBDII Module
Relearn Procedure when Replacing a Sensor
1. Inflate all tires to the pressure listed on the vehicle placard.
2. Select a vehicle make, model and model year, which has OBDII support, in you TPMS Tool .
3. Select OBDII from your TPMS Tool ’s menu.
4. Starting with the LF tire, use your TPMS Tool to scan each sensor in the following order: LF, RF, RR, LR (and full size spare if equipped).
5. After all sensor ID’s have been stored, use the TPMS Tool ’s ▲ or ▼ button to move the cursor under the letters OBD. Then press the enter button.
6. Turn ignition to the ON position with the engine OFF (not the ACC position).
7. Connect the OBDII Connector to the TPMS Tool then to the vehicle’s OBDII port. Make sure your connection is secure and the green light, on the OBII Module, is on.
8. Select Upload Car IDs, from the TPMS Tool ’s menu, and upload the sensor IDs.
9. When RELEARN COMPLETE / IDs UPLOADED TO CAR is displayed, the ID’s have been successfully uploaded.
10. With the ignition still on, re‐scan each sensor.
11. Drive the vehicle above 30mph for at least 10 minutes and monitor the low tire pressure monitor to ensure it does not blink.
OBDII Errors
If you see an error on the screen while performing an OBDII Relearn, check to make sure that the vehicle is in the ON position (not ACC). Also make sure all the connections are secure.
Errors E1 and E2 ‐ Reading Communication Errors
Make sure vehicle is ON and not ACC Check for secure connection.
Errors E3 and E6 ‐ Writing Communication Errors
Make sure vehicle is ON and not ACC Check for secure connection
Error E4 – Wrong Set Error
Many Lexus vehicles can store more than one set of TPMS ID’s in ECU. Toggle the vehicles selected set to the MAIN set. Then retry OBDII Relearn.
Error E5 ‐ Spare Tire Error
If you receive this error, and you did not upload a sensor ID for the spare, then this vehicle requires a spare. If you did upload a spare, but you received this error, then the vehicle does not store the ID in the ECU for the spare tire.
Procedure using another Properly Formatted Scan Tool
Relearn Procedure when Replacing a Sensor
1. Inflate all tires to the pressure listed on the vehicle placard.
2. Starting with the LF tire, use the scan tool to scan each sensor in the following order: LF, RF, RR, LR (and full size spare if equipped).
3. Turn ignition to the ON position with the engine OFF (not the ACC position).
4. Connect the scan tool to the OBDII port and upload the sensor IDs.
5. Turn the ignition to the OFF position. Re‐scan each sensor.
6. Drive the vehicle above 30mph for at least 10 minutes and monitor the low tire pressure monitor to ensure it does not blink.
About Infiniti M45
For the 2008 model year, the Infiniti M received a minor model update. The M45 gets optional all wheel drive (M45x), all models get new front and rear fascias, slightly revised tail lights, and redesigned blue-and-white gauges (as opposed to the previous orange ones). Infiniti also offered an S type version for the M45/M45x similar to the previous Sport model. Other new features on the 2008 model include touch screen hard drive based navigation, iPod integration, and a music hard drive.
For 2009, the M35 received a new V6 engine producing 303 hp (226 kW) and 262 lb⋅ft (355 N⋅m) of torque and a 7-speed automatic transmission. The 2009 M35x, M45, and M45x retained the five-speed automatic. (Source Wiki)
