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Poor reception/transmission on the mobile phone

Symptom: Poor reception/transmission on the mobile phone.

Poor reception/transmission on the mobile phone


Fault symptoms

Poor reception/transmission on the mobile phone.

Probable cause of fault

Poor connection to the mobile phone aerial. Fault diagnosis concerns the quarter-wave, roof-mounted aerial in a car that is prewired by Saab for a mobile phone (option).

Diagnostic help

Standing wave measurement may be helpful if the fault diagnosis procedure described below does not rectify the fault.

Checking the wiring harness

Jiggle the leads and in-line connectors at various points and in different directions to detect any intermittent breaks or short circuits in the wiring. Observe the multimeter, test lamp or diagnostic instrument while carrying out this check.

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