Diagnosis 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 "WITH INTELLIGENT KEY : Diagnosis Procedure" or WT "WITHOUT INTELLIGENT KEY : Diagnosis Procedure".
Is the inspection result normal?
YES >> Replace BCM. Refer to BCS "Removal and Installation" or BCS "Removal and Installation".
NO >> Repair BCM circuits.
Low tire pressure warning lamp
does not turn onDiagnosis Procedure NOTE: The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information. Activate and dis ...

Diagnosis Procedure NOTE: If low tire pressure warning lamp repeats blinking ON for 2 seconds and OFF for 0.2 seconds, wake-up operation for all transmitters is not complete. Carry out transmitt ...
IDLE SPEED
Inspection
1.CHECK IDLE SPEED
With CONSULT
Check idle speed in "DATA MONITOR" mode with CONSULT.
Without CONSULT
Check idle speed by installing the pulse type tachometer clamp on the loop
wire or on suitable high-tension
wire which installed between No.1 ignition coil and No.1 spark plug.
...
U0300 Can communication data
Description
The amount of data transmitted from each control unit is read.
DTC Logic
DTC DETECTION LOGIC
DTC
Trouble diagnosis name
DTC detection condition
Possible causes
U0300
Internal Control Module Software
Incompatibility
When the amount of data transmitt ...