Description
The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the audio signals before sending them to the rear door speakers using the audio signal circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the audio unit, BOSE speaker amp. and speaker connectors for the following:
2.HARNESS CHECK



3.REAR DOOR SPEAKER SIGNAL CHECK


4.HARNESS CHECK

connector B109.


5.REAR DOOR SPEAKER SIGNAL CHECK

connector B109.

Center speaker
SubwooferDiagnosis system (ECM)
DIAGNOSIS DESCRIPTION
DIAGNOSIS DESCRIPTION : 1st Trip Detection Logic and Two Trip Detection
Logic
When a malfunction is detected for the first time, 1st trip DTC and 1st trip
Freeze Frame data are stored in the
ECM memory. The MIL will not illuminate at this stage. <1st trip>
If th ...
C1115 ABS sensor [abnormal signal]
Description
When the sensor rotor rotates, the magnetic field changes. It converts the
magnetic field changes to current
signals (rectangular wave) and transmits them to the ABS actuator and electric
unit (control unit).
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK ...
Lifting motor (rear)
Description
The lifting motor (rear) is installed to the seat frame.
The lifting motor (rear) is activated with the driver seat control
unit.
The seat lifter (rear) is moved upward/downward by changing the
rotation direction of lifting motor (rear).
Component Function Check
1. CHEC ...