BCM
BCM : Diagnosis Procedure
1. CHECK FUSE AND FUSIBLE LINK
Check if the following BCM fuses or fusible link are blown.

2. CHECK POWER SUPPLY CIRCUIT

3. CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground

BCM : Special Repair Requirement
1. REQUIRED WORK WHEN REPLACING BCM
Initialize control unit.
Battery saver output/power supply circuitInsufficient cooling
Component Function Check
Symptom
Insufficient cooling
No cool air comes out. (Airflow volume is normal.)
INSPECTION FLOW
1. CONFIRM SYMPTOM BY PERFORMING OPERATION CHECK - TEMPERATURE DECREASE
Press the AUTO switch.
Turn temperature control dial (driver side) counterclockwise until ...
Can communication system
System Description
CAN communication is a multiplex communication system. This enables the
system to transmit and receive large quantities of data at high speed by connecting control units with two
communication lines (CAN-H and CAN-L).
Control units on the CAN network transmit signals usi ...
P0506 ISC system
Description
The ECM controls the engine idle speed to a specified level via the fine
adjustment of the air, which is let into
the intake manifold, by operating the electric throttle control actuator. The
operating of the throttle valve is varied
to allow for optimum control of the engine id ...