Restraints
PrecautionOptical sensor
Description
The optical sensor converts the outside brightness (lux) to voltage and
transmits the optical sensor signal to the BCM.
Component Function Check
1.CHECK OPTICAL SENSOR SIGNAL BY CONSULT
CONSULT
Turn the ignition switch ON.
Select "OPTICAL SENSOR" of BCM (HEAD LAMP) DATA MONIT ...
P1805 brake switch
Description
Brake switch signal is applied to the ECM via the stop lamp switch when the
brake pedal is depressed. This
signal is used mainly to decrease the engine speed when the vehicle is being
driver.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATI ...
B2553 ignition relay
Description
BCM turns ON the following relays to ignition power supply to each ECU when
the ignition switch is turned
ON.
Ignition relay-1 (inside IPDM E/R)
Ignition relay-2 (inside fuse block (J/B))
Front blower motor relay
BCM checks any ignition relay ON request for consistency wi ...