MEITRACK T400G TPMS Scheme User Guide
Copyright © 2019 Meitrack Group All rights reserved. - 39 -
obtained value x 0.025; unit: bar; unsigned.
The 15
th
and 16
th
characters: indicates the tire
temperature; 1 byte (2 characters); formula:
obtained value – 50; unit: °C; unsigned.
The 17
th
and 18
th
characters: indicates the tire
status; 1 byte (2 characters); unsigned.
Bit 7: indicates the battery voltage status of the
transmitter. 0: normal voltage; 1: low voltage.
Bit 6: Whether to receive data from the
transmitter. When you do not receive data
from the transmitter within 15 minutes, the
parameter value will be reset to 1.
Bit 5: reserved.
Bit 4: When the value is 1, the air pressure is
high.
Bit 3: When the value is 1, the air pressure is
low.
Bit 2: indicates temperature status. 1: high
temperature; 0: normal temperature.
Bits 1–0: indicates the alert status. 00: no alert;
01: fast air leak alert; 10: slow air leak alert; 11:
tire inflation alert.
pressure is 15 bar.
0258 (hexadecimal) =
600 (decimal)
600 x 0.025 = 15
78
:
The
tire
temperature is 70°C.
78 (hexadecimal) =
120 (decimal)
120 - 50 = 70
01
: A fast air leak alert
is generated.
The second tire pressure
sensor:
0B
: The sensor is
installed inside the
11
th
tire
on
the
vehicle's head part.
00123457
: The tire
pressure sensor ID is
0x00123457
(hexadecimal).
0258
:
The
tire
pressure is 15 bar.
0258 (hexadecimal) =
600 (decimal)
600 x 0.025 = 15
78
:
The
tire
temperature is 70°C.
78 (hexadecimal) =
120 (decimal)
120 - 50 = 70
01
: A fast air leak alert
is generated.
The third tire pressure
sensor:
0C
: The sensor is
installed inside the
12
th
tire
on
the
vehicle's head part.
00123458
: The tire
pressure sensor ID is
0x00123458
(hexadecimal).
0258
:
The
tire
