DTC Logic
DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE
1. DTC CONFIRMATION
Diagnosis Procedure
1. CHECK BATTERY VOLTAGE
Check battery voltage
2. CHECK POWER SUPPLY CIRCUIT AND GROUND CIRCUIT
Check BCM power supply circuit and ground circuit.
Special Repair Requirement
1. REQUIRED WORK WHEN REPLACING BCM
Initialize control unit.
U0415 Vehicle speed sig
Power supply and ground circuitHorn
Description
Horn (high/low) is located inside of front bumper and
operates when theft warning system is in alarm phase.
Component Function Check
1.CHECK FUNCTION
Select HORN in "ACTIVE TEST" mode with CONSULT.
Check the horn (high/low) operation.
Diagnosis Pro ...
B257B, B257C ambient sensor
Description
COMPONENT DESCRIPTION
Ambient Sensor
The ambient sensor (1) is installed to the front bumper
reinforcement.
It detects ambient temperature and converts it into a resistance
value which is then input into the A/C auto amp.
Ambient Sensor Circuit
AMBIENT TEMPERATUR ...
General maintenance
General maintenance includes those items which
should be checked during normal day-to-day operation.
They are essential for proper vehicle operation.
It is your responsibility to perform these
procedures regularly as prescribed.
Performing general maintenance checks requires
minimal mech ...