System Diagram
System Description
OUTLINE
The auto light control system has an optical sensor that detects outside brightness.
When the lighting switch is in AUTO position, it automatically turns ON/OFF the parking, license plate, tail, front fog lamps and headlamps in accordance with the ambient light. Sensitivity can be adjusted in four steps.
For the details of the setting, refer
Component Parts Location
Component Desription
AUTO LIGHT OPERATION
Applicable lamps
When the lighting switch is in AUTO position with the ignition switch in ON position, BCM detects the AUTO LIGHT (ON) by BCM combination switch (lighting and turn signal switch) reading function. BCM automatically turns ON/OFF the applicable lamps according to ambient brightness. NOTE: Timing for when lamps turn ON/OFF can be changed by the function setting of CONSULT.
VDC/TCS/ABS
Symptom Table
If ABS warning lamp, SLIP indicator lamp turn ON, perform self-diagnosis.
NOTE:
1: The ABS does not operate when the speed is 10 km/h (6 MPH)
or less.
2: Under the following conditions, ABS is activated and
vibration is felt when brake pedal is lightly dep ...
Diagnosis system (AV control unit)
Diagnosis Description
MULTIFUNCTION SWITCH AND PRESET SWITCH SELF-DIAGNOSIS FUNCTION
The ON/OFF operation (continuity) of each switch in the multifunction switch
and preset switch can be checked.
Self-Diagnosis Mode
Press the BACK switch and the
switch of the 8-direction switches with ...
B2578, B2579 in-vehicle sensor
Description
In-vehicle Sensor
The in-vehicle sensor (1) is located on instrument lower cover
(LH).
It converts variations in compartment air temperature drawn from
the aspirator into a resistance value. It is then input into the A/C
auto amp.
In-vehicle Sensor Circuit
Aspira ...