Diagnosis system (AV control unit)
U1000 CAN comm circuitDriver Attention Alert system limitations
WARNING
Listed below are the system limitations for
the Driver Attention Alert system. Failure
to operate the vehicle in accordance with
these system limitations could result in
serious injury or death.
The Driver Attention Alert system may
not operate properly and may not provide
an alert i ...
Fuel level sensor signal circuit
Description
The fuel level sensor unit and fuel pump (fuel level
sensor) detects the approximate fuel level in the fuel tank
and transmits the fuel level signal to the combination meter.
Component Function Check
1.COMBINATION METER INPUT SIGNAL
Select "METER/M&A" on CONSULT.
...
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 ...