9-3 Viggen Coupe (9400) L4-2.3L Turbo (B235) HO (1999)
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The reading should be 0 ohms - 1 ohm.
Test results OK?
YES
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Go to step 3.
NO
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Rectify the lead between pin 2 in the microphone's female connector and pin 10 in the mobile telephone connection.
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Go to step 8.
3. Check the lead between the microphone and the main unit, continued
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Take a resistance reading.
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Red test lead: Microphone, roof console: 1.
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Black test cable: Connection, mobile telephone: 9.
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The reading should be 0 ohms - 1 ohm.
Test results OK?
YES
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Go to step 4.
NO
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Rectify the lead between pin 1 in the microphone's female connector and pin 9 in the mobile telephone connection.
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Go to step 8.
4. Check the lead for short-circuiting to ground
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Take a resistance reading.
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Red test lead: Microphone, roof console: 3.