TPMS
WT-49
< SYMPTOM DIAGNOSIS >
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Low tire pres-
sure warning
lamp
The low tire pres-
sure warning lamp
repeats blinking at
0.5-second inter-
vals for 1 minute,
and then stays illu-
minated.
The BCM cannot detect
tire pressure data signal.
• Check visually that the
tire pressure sensors are
installed. If necessary, re-
place/install the tire pres-
sure sensor(s) and
perform tire pressure
sensor ID registration.
Refer to
WT-30, "Work
Procedure"
.
• Remove the interference
radio wave (e.g. battery
charger of smart phone).
The combination meter
fuse is open or removed
(or pulled out).
Check and install the com-
bination meter fuse. If nec-
essary, replace the fuse.
The BCM harness con-
nector is removed.
Check the connection con-
ditions of the BCM harness
connector, and repair if nec-
essary.
Tire Pressure Monitoring
System (TPMS) mal-
function.
(except tire pressure
monitoring system con-
figuration and/or tire
pressure sensor ID reg-
istration non-performed)
Perform CONSULT self-di-
agnosis. Refer to
WT-15,
"CONSULT Function"
.
Hazard warning
lamp
The hazard warn-
ing lamp does not
blink twice when
performing ID reg-
istration operation.
—
ID registration is not
completed.
Perform “TIRE PRESSURE
SENSOR ID REGISTRA-
TION CANNOT BE COM-
PLETED” diagnosis
procedure. Refer to
WT-55,
"Diagnosis Procedure"
.
Diagnosis items
Symptom
(Ignition switch
ON)
Low tire pressure warning lamp
Cause
Action
SEIA0788E