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(TA391-0313) Hands-free Telephone

TECHNICAL ADVICE - Quick information for your help
Bulletin Nbr: TA391-0313
Date: ........... AprilĀ 2003
Market: All
Hands-free Telephone

VEHICLES CONCERNED

Saab 9-3 (9440).

SYMPTOM DESCRIPTION


1. Microphone not working.

2. ICM does not switch off after mute / radio stays on until the car is locked.

3. Poor sound from speakers.


ACTION

1 - Microphone not working, (Cars with Tel 1)

The microphone is connected for Telematic operation.

For use with a hands-free telephone kit you have to connect to the additional 3 pin connector, (marked with yellow tape)positioned adjacent to the microphone. (Connector 375), it may be necessary to swap the wires in positions 1 & 2 at the microphone if the volume is too low.

Sat.Nav equipped vehicles have 2 microphones, if only one is fitted then another will be required for voice equipped operation (future development). If 2 are fitted, use the right-hand microphone for telephone.

2 - ICM does not switch off after mute, radio stays on after key is removed.

Upgrade ICM software, use software included in TIS 2003-1 update 1 or later.

(Cars from VIN 31002454 - 31016272)

3 - Poor sound from speakers during calls

If a hands-free kit has been fitted that doesn't have the adapter interface cable to EHU there is a risk that a capacitor in EHU will be damaged.

In some cases this will go back to normal but more often the EHU must be replaced. (a damaged EHU will only affect the sound from Telephone, not the radio).

See TA GB 02 / 022 for details of how to install the capacitor cable (pt no 40 -12 802 036).