1. Adjust the air pressure as follows:
{
RF: 220 kPa {2.2 kgf/cm
2
, 32 psi}
{
LF: 240 kPa {2.4 kgf/cm
2
, 35 psi}
{
LR: 260 kPa {2.6 kgf/cm
2
, 38 psi}
{
RR: 280 kPa {2.8 kgf/cm
2
, 40 psi}
2. Turn the ignition switch off.
3. Connect the M-MDS to the DLC-2.
4. Turn the ignition switch to the ON position.
5. Drive the vehicle at a speed of
25 km/h {15.5 mph} or more
for 2
min or more
6. Select the following PIDs using the M-MDS, and monitor them.
{
WU1_P
{
WU2_P
{
WU3_P
{
WU4_P
7. Determine which wheel unit identification code matches which wheel and tire by comparing the PID
monitor values with the air pressure values set in Step 1.
8. Select the ID_LAST PID using the M-MDS, and take a note of four displayed identification codes.
9. Inspect the DTCs using the M-MDS.
Fig. 8: Wheel Unit Identification Code Chart
Courtesy of MAZDA MOTORS CORP.
DTC B2143
identifies each wheel unit as No.1, No.2, No.3 and No.4. In order to identify
the location of the wheel unit, perform the following procedure.
2008 Mazda CX-9 Grand Touring
2008 SUSPENSION On-Board Diagnostic (Suspension) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:25:36 AM
Page 10
© 2005 Mitchell Repair Information Company, LLC.
