
General maintenance
Vehicle interiorECU Power Source Circuit
DESCRIPTION
When the ignition switch is turned to ON, voltage from the ECM's MREL terminal
is applied to the EFI MAIN relay. This causes the contacts of the EFI MAIN relay
to close, which supplies power to terminal +B of the TCM.
WIRING DIAGRAM
PR ...
Voice Recognition Microphone Disconnected (B1579)
DESCRIPTION
The radio and display receiver assembly and inner rear view mirror assembly (amplifier
microphone assembly) are connected to each other using the microphone connection
detection signal lines.
This DTC is stored when a microphone connection de ...
Unlock Position Sensor Signal Circuit
DESCRIPTION
The unlock position sensor is one of the components comprising the steering lock
ECU (steering lock actuator assembly). The sensor switch contact closes when the
steering lock is released. The steering lock release signal is then sent to the
...