G862187T17 : Check For Failure at Audio Amplifier Module

Pinpoint Tests

NOTE: Visually inspect for any of the following conditions and rectify any fault identified prior to carrying out any tests on the MOST Network.

^ Any sharp bends in the optical fibre harness (check for this before disturbing any module or connector).
^ Incorrect engagement of any optical connectors
^ Incorrect engagement of any electrical connectors
^ Damage to the optical fibre harness (chafing, abrasion, kinking, cuts, break, etc)
^ Incorrect assembly of the optical network
^ Unless otherwise stated, ensure vehicle ignition status is set to 'ON' when carrying out MOST Network tests.

G862187t17 : CHECK FOR FAILURE AT AUDIO AMPLIFIER MODULE

1. Connect OBT to audio amplifier module MOST connector C4ME27C.
2. Switch OBT 'ON' and set to 2+0 option.
3. Select the visible LED option.

^ Is the Rx lamp/LED permanently 'ON' and the HLDF screen permanently displaying 'Home screen menu' or Land Rover logo?

->Yes
Check/repair power feed and ground lines to audio amplifier module. If power feed and ground lines ok, install a new audio amplifier module.
Subwoofer Amplifier

->No
Disconnect OBT and reconnect audio amplifier module MOST connector C4ME27C. GO to Pinpoint Test G862187t18.G862187T18 : Check For Installation of Bluetooth Module