INTERIOR LIGHTING SYSTEM SYMPTOMS
Symptom Table
CAUTION: Perform the self-diagnosis with CONSULT before the symptom diagnosis. Perform the trouble diagnosis if any DTC is detected.

Illumination
PrecautionHVAC 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 A/C auto amp. for
damage, bend and loose connection (unit
side and connector side).
2.CHECK HARNESS FOR OPEN CIRCUI ...
P0014, P0024 EVT control
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P0014 or P0024 is displayed with DTC P0078, P0084 first
perform trouble diagnosis for DTC
P0078, P0084. Refer to EC-180, "DTC Logic".
If DTC P0014 or P0024 is displayed with DTC P1078, P1084 first
perform trouble diagn ...
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 ...