Diagnosis system (HVAC)
U1000 CAN comm circuitSliding motor
Description
The sliding motor LH is installed to the seat frame.
The sliding motor LH is activated with the driver seat control unit.
The seat is slid forward/backward by changing the rotation direction of
sliding motor LH.
Component Function Check
1. CHECK FUNCTION
Select "SEAT S ...
B2193 chain of ECM-IMMU
Description
BCM performs the ID verification with ECM that allows the
engine to start. Start the engine if the ID is OK.
ECM prevents the engine from starting if the ID is not registered. BCM starts
the communication with ECM if
ignition switch is turned ON.
DTC Logic
DTC DETECTION LOGIC ...
Microphone signal circuit
Description
Voice signals are transmitted from the microphone to the Bluetooth control
unit using the microphone signal circuits.
Diagnosis Procedure
1.CHECK HARNESS BETWEEN BLUETOOTH CONTROL UNIT AND MICROPHONE
Turn ignition switch OFF.
Disconnect Bluetooth control unit connector and ...