939003722 - N042 I.C.S. DOES NOT GIVE' AUDIO MESSAGES

No voice message is given on the NAV system
1CHECK AUDIO VOLUMEALL OKPROBLEMS ENCOUNTEREDACTION
Check the speaker is not crossed out on the icon in the NAV screenMove on to Step 2Voice command audio volume (set to OFF), with the speaker icon crossed outPress the NAV key once (less than 2 seconds) and enable the audio
2CHECK AUDIO MESSAGESALL OKPROBLEMS ENCOUNTEREDACTION
Press the NAV button on the navigation system front panel to listen to the voice commands.Check for audio signalsMove on to Step 3The radio lowers the volume and the voice command cannot be heardIn the NAV screen, adjust the voice command volume
3CONNECTIONS CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check the correct connection between the NAV module and speaker for playing the audio signal. See the wiring diagram    See E3510 RADIO Move on to Step 41. Connections not correct1. Restore correct power supply, see wiring diagram    See E4090 INSTRUMENT PANEL AND INDICATORS
2. Front speaker defective2. Replace the speaker    Op. 5570T90 FRONT SPEAKER (ONE), LEFT OR RIGHT - R.R
3. Front speaker defective3. Replace the speakerOp. 5570T98
4CHECK NAVIGATION SYSTEM OPERATIONALL OKPROBLEMS ENCOUNTEREDACTION
Check the navigation device is working properlyFault persistsNavigation device defectiveReplace Connect    Op. 5580P12 CONNECT PANEL REPLACE