Land Rover Defender: Audio System - Component Location, Overview
COMPONENT LOCATION
COMPONENT LOCATION - 1 OF 2
NOTES:
- Right Hand Drive (RHD) vehicle is shown. Left Hand Drive (LHD) vehicle is similar.
- Vehicle with 5 doors is shown. Vehicle with 3 doors is similar.
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- Touch Screen (FCDIM)
- Instrument Panel Cluster (IPC)
- Left steering wheel switch
- Front portable media interface panel
- Front Infotainment Control Module (IGM / ICCM)
- Integrated Control Panel (FCIM)
COMPONENT LOCATION - 2 OF 2
NOTE: Vehicle with 5 doors is shown. Vehicle with 3 doors is similar.
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- Audio Amplifier Control Module (AAM)
- Powertrain Control Module (PCM)
OVERVIEW
The audio system is available in 3 options. The 3 systems all have an AAM. The 3 systems are:
- Sound system with 7 speakers
- Sound system with 11 speakers
- Surround system with 15 speakers.
The systems are controlled using the FCDIM, the FCIM and the left steering wheel switch.
The portable media interface panel allows wired connectivity. The level of connectivity is dependent upon the vehicle infotainment equipment option.
The front portable media interface panel contains:
- Universal Serial Bus (USB) 2.0 socket
- Type-C socket
- The nano Subscriber Identification Module (SIM) card socket (if equipped).
Primary user control of the audio system is through the FCDIM and FCIM. Control signals from the FCDIM are relayed on an Automotive Pixel Link 2 (APIX2) connection to the IGM / ICCM. The IGM / ICCM relays the control signals to the rest of the audio system. The signals are sent through High Speed (HS) Controller Area Network (CAN) Human Machine Interface (HMI) systems bus.
Wireless connectivity is made using the Bluetooth antenna.
ACTIVE SOUND DESIGN
Active sound design provides the vehicle occupants with an enhanced engine sound, digitally reproduced over the infotainment system speakers.
Audio systems with an AAM receive an engine speed input from the PCM. The engine speed input allows the audio system to provide a digital audio enhancement of the engine sound. The enhanced engine sound is output over the audio speakers as an overlay to current audio system output.
The system is invisible to the vehicle occupants and is permanently active.
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Audio System - Description
TOUCH SCREEN AND INTEGRATED CONTROL PANEL
NOTE:
RHD vehicle is shown, LHD vehicle is similar.
FCIM
FCDIM
The FCDIM and the FCIM are located in the center of the instrument panel. The
FCDIM is co
Audio System - Operation
The IGM / ICCM is subject to the power management of the quiescent current
relay which is integrated into the Rear
Junction Box (BCMB). Power management is controlled by the BCM/ GWM.
The BCM/ GWM c
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PRINCIPLES OF OPERATION
For a detailed description of the Locks, Latches and Entry Systems, refer to
the relevant Description and Operation
section in the workshop manual. REFER to: Handles, Locks, Latches and Entry
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Electric Booster Heater
DESCRIPTION AND OPERATION
COMPONENT LOCATION
COMPONENT LOCATION - 1 OF 1
NOTE:
Right Hand Drive (RHD) vehicle is shown, Left Hand Drive (LHD) vehicle is
similar.
Heating, ventilation, and air conditioning (HVAC) control module
Electric booster heater
OVERVIEW
Due to the slower warm up time of
