POWER DISTRIBUTION SYSTEM SYMPTOMS
Symptom Table
Before performing the diagnosis in the following table

Wiring diagram
PrecautionHeated seat
Wiring Diagram
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B2555 stop lamp
Description
BCM detects the stop lamp status and confirms the stop
lamp switch ON/OFF status. BCM confirms the
engine start condition according to the stop lamp switch ON/OFF status.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
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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 ...