Low Tire Pressure Warning Lamp Stays On When Ignition Switch Is Turned On
DIAGNOSTIC PROCEDURE
1.INSPECT BCM CONNECTOR
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace damaged parts.
2.BCM POWER SUPPLY AND GROUND CIRCUITS
Check BCM power supply and ground circuits. Refer to WT-34, "WITH INTELLIGENT KEY SYSTEM : Diagnosis Procedure" (with Intelligent Key system) or WT-34, "WITHOUT INTELLIGENT KEY SYSTEM : Diagnosis Procedure" (without Intelligent Key system).
Is the inspection result normal? YES >> Replace BCM. Refer to BCS-73, "Removal and Installation" (with Intelligent Key system) or BCS- 126, "Removal and Installation" (without Intelligent Key system).
NO >> Repair BCM circuits.
Low tire pressure warning lamp does not turn on
Low tire pressure warning lamp blinksA-bag branch line circuit
Diagnosis procedure
Warning:
Always observe the following items for preventing accidental
activation.
Before servicing, turn ignition switch off, disconnect battery
negative terminal, and wait 3 minutes
or more. (To discharge backup capacitor.)
Never use unspecified tester or other me ...
Ecm branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the ECM for damage, bend and loose
connection (unit side and
connector side).
Is the inspection result normal?
YES > ...
Remote keyless entry system (if so equipped)
WARNING
Radio waves could adversely affect
electric medical equipment. Those who
use a pacemaker should contact the
electric medical equipment manufacturer
for the possible influences before
use.
The remote keyless entry keyfob transmits
radio waves when the bu ...