Diagnosis Description

DIAGNOSIS SYSTEM (BCM)


AIR PRESSURE MONITOR : Diagnosis Description


DESCRIPTION
During driving, the TPMS receives the signal transmitted from the transmitter installed in each wheel, when the tire pressure becomes low. The control unit (BCM) of this system has pressure judgment and trouble diagnosis functions.
When the TPMS detects low inflation pressure or another unusual symptom, the low tire pressure warning lamps in the combination meter comes on.

SELF DIAGNOSTIC PROCEDURE (WITH CONSULT-III)
With CONSULT-III
Touch "SELF-DIAG RESULT" display shows malfunction experienced since the last erasing operation. Refer to Testing and Inspection.

SELF DIAGNOSTIC PROCEDURE (WITHOUT CONSULT-III)
Without CONSULT-III
To start the self-diagnostic results mode, ground terminal of the tire pressure warning check connector. The malfunction location is indicated by the low tire pressure warning lamp blinking.






NOTE:
When the low tire pressure warning lamp blinks 5 Hz and continues repeating it, the system is normal.











ERASE SELF-DIAGNOSIS

With CONSULT-III
1. Perform applicable inspection of malfunctioning item and then repair or replace.
2. Turn ignition switch ON and select "SELF-DIAG RESULTS" mode for "AIR PRESSURE MONITOR" with
CONSULT-III.
3. Touch "ERASE" on CONSULT-III screen to erase memory.

Without CONSULT-III
- In order to make it easier to find the cause of hard-to-duplicate malfunctions, malfunction information is stored into the control unit as necessary during use by the user. This memory is not erased no matter how many times the ignition switch is turned ON and OFF.
- However, this information is erased by turning ignition switch OFF after performing self-diagnostic or by erasing the memory using the CONSULT-III.