ON-BOARD DIAGNOSTIC
02–02–3
02–02
2004 Mazda RX-8 Service Highlights (3378–1U–03C)
Revised 11/2004 (Ref. No. R086/04)
ON-BOARD DIAGNOSTIC SYSTEM PID/DATA MONITOR FUNCTION (TIRE PRESSURE MONITORING
SYSTEM)
CHU020237020S03
• This function allows access to certain data values, input signal, calculated values, and system status
information.
PID/DATA monitor table
* : Data transmission from the wheel unit occurs when the vehicle speed is 25 km/h {15.5 mph} or more . Due to
this, the current air pressure and temperature data can only be displayed after the vehicle is driven at 25 km/h
{15.5 mph} or more . Also, the LAST_ID, and tire pressure and internal tire air temperature data are erased
when the TPMS control unit connector and the battery terminal are disconnected. If the TPMS control unit is
replaced or the battery terminals are disconnected, drive the vehicle at 25 km/h {15.5 mph} or more and
display the tire pressure PID after the data transmission.
End Of Sie
PID name Description (Input/output part)
Operation/unit
(WDS or equivalent)
CCNT_TPMS Number of continuous trouble code set –
LAST_ID* Last received tire transmitter ID code value –
PRS_WU1* Tire pressure (wheel unit No.1) kPa/psi
PRS_WU2* Tire pressure (wheel unit No.2) kPa/psi
PRS_WU3* Tire pressure (wheel unit No.3) kPa/psi
PRS_WU4* Tire pressure (wheel unit No.4) kPa/psi
TEMP_WU1* Temperature (wheel unit No.1) Celsius/Fahrenheit
TEMP_WU2* Temperature (wheel unit No.2) Celsius/Fahrenheit
TEMP_WU3* Temperature (wheel unit No.3) Celsius/Fahrenheit
TEMP_WU4* Temperature (wheel unit No.4) Celsius/Fahrenheit
VBATT Battery positive voltage V
VSS Vehicle speed KPH/MPH
WARN_1 Transmitter identifier with warning value 1 –
WARN_2 Transmitter identifier with warning value 2 –
WARN_3 Transmitter identifier with warning value 3 –
WARN_4 Transmitter identifier with warning value 4 –
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