Symptom Table
HAZARD AND BUZZER REMINDER FUNCTION MALFUNCTION
NOTE:
Conditions of Vehicle (Operating Conditions)

Key reminder function symptoms
Horn functionSide curtain air bag module
Component
Side curtain air bag module tether
Side curtain air bag module assembly
Side curtain air bag module inflator
Front
Removal and Installation
CAUTION:
Before servicing, turn ignition switch OFF, disconnect both
battery terminals and wait at least 3 minutes.
Do n ...
B2128 UART communication line
Description
Driver seat control unit performs UART communication with the automatic drive
positioner control unit using 1 communication line. Driver seat control unit
receives the operation signals of ADP steering switch, door mirror remote
control switch and the position signals of tilt sens ...
Power supply and ground circuit
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
Turn ignition switch OFF.
Disconnect BCM.
Check voltage between BCM harness connector and ground.
3. CHECK GROUND CIRCUIT
Che ...