PREPARATION
Special Service Tools
The actual shapes of the tools may differ from those illustrated here.

Commercial Service Tools

Precaution
Symptom diagnosisDLC branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the data link connector for
damage, bend and loose connection
(connector side and harness side).
2.CHECK HARNESS FOR OP ...
Diagnosis and repair work flow
Work Flow
OVERALL SEQUENCE
DETAILED WORK FLOW
1.CUSTOMER INFORMATION
Get detailed information from the customer about the symptom.
2.PRELIMINARY CHECK
Perform preliminary check.
3.TECHNICAL SERVICE BULLETINS
Check for technical service bulletins.
4.USER MODE
Perform self-diagnosis usin ...
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 ...