DTC B2143 DETECTION CONDITION AND POSSIBLE CAUSE
DIAGNOSTIC PROCEDURE
DTC B2143 DIAGNOSTIC PROCEDURE
DTC B2868, B2869, B2870, B2871
DTC B2868, B2869, B2870, B2871 DETECTION CONDITION AND POSSIBLE CAUSE
DTC B2143
z
ID registration failure
DETECTION CONDITION
z
Two or more codes are overlapping.
POSSIBLE CAUSE
z
ID registration procedure has not been performed properly.
STEP
INSPECTION
ACTION
1
VERIFY THE PROGRAMMED ID
z
Turn the ignition switch off.
z
Connect the M-MDS to the DLC-2.
z
Select the following PIDs using the
M-MDS:
{
ID_WU1
{
ID_WU2
{
ID_WU3
{
ID_WU4
z
Turn the ignition switch to the ON
position.
z
Is the same code in the output ID?
Yes
Register the wheel unit ID, then go to the next
step. (See
WHEEL UNIT ID
REGISTRATION
.)
No
Go to the next step.
2
VERIFY TROUBLESHOOTING
COMPLETED
z
Clear the DTC from the memory.
(See
TIRE PRESSURE
MONITORING SYSTEM
(TPMS
) ONBOARD DIAGNOSIS.)
z
Drive the vehicle at a speed of
25
km/h {15.5 mph} or more for 10
min
or
more.
z
Is the same DTC present?
Yes
z
Repeat the inspection from Step 1.
If the malfunction recurs, replace the instrument
cluster and/or wheel unit.
(See
INSTRUMENT CLUSTER
REMOVAL/INSTALLATION
.)
(See
WHEEL UNIT
REMOVAL/INSTALLATION
.)
No
Go to the next step.
3
VERIFY AFTER REPAIR
PROCEDURE
z
Are there any other DTCs present?
Yes
Go to the applicable DTC inspection. (See
TIRE
PRESSURE MONITORING SYSTEM
(TPMS
) ON-BOARD DIAGNOSIS.)
No
DTC troubleshooting completed.
DTC B2868
Wheel unit No.1 (internal malfunction)
2008 Mazda CX-9 Grand Touring
2008 SUSPENSION On-Board Diagnostic (Suspension) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:25:36 AM
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