TIRE PRESSURE MONITORING SYSTEM (TPMS) DIAGNOSIS
TSB Revision
WHEEL AND TIRE
31-38
DATA LIST REFERENCE TABLE
M1311003300171
NOTE: KOS&OSS-ECU input data refer to GROUP 42B
Data List Reference Table P.42B-75. <Vehicles
with Keyless Operation System>
The following items can be read by the scan tool from the ETACS-ECU <Vehicles without Keyless Operation
System> input data.
Item No. Scan tool MB991958
display
Check condition Normal condition
21 Air pressure, Tire 1
22 Air pressure, Tire 2
23 Air pressure, Tire 3
24 Air pressure, Tire 4
31 Acceleration, Tire 1
32 Acceleration, Tire 2
33 Acceleration, Tire 3
34 Acceleration, Tire 4
38 Number of registered
TPMS ID
Number of stored TPMS
39 Ignition signal (CAN
data)
Ignition switch (engine starting switch):
"ON"
ON
Ignition switch (engine starting switch):
"OFF"
OFF
40 Ignition signal (Port
input)
Ignition switch (engine starting switch):
"ON"
ON
Ignition switch (engine starting switch):
"OFF"
OFF
41 VSS Drive the vehicle (The scan tool and the
speedometer readings are
approximately the same)
42 Ambient TEMP. (after
filtering)
43 MIN. ambient TEMP.
(after reset)
44 Adjusted TEMP. lower
limit
50 Registered ID
reception, Tire1
Reception Yes
No reception No
51 Registered ID
reception, Tire2
Reception Yes
No reception No
52 Registered ID
reception, Tire3
Reception Yes
No reception No
53 Registered ID
reception, Tire4
Reception Yes
No reception No