LEMON Manuals
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Compass Altitude, FWD
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(Global Telematics Box Module - Electrical Diagnostics)
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DTC Troubleshooting
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B143D-13 Microphone 2 - Circuit Open
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Set Condition
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Set Condition
The Global Telematics Box Module (TBM2) detects an open on either the Emergency Microphone (+), Emergency Microphone (-), Microphone 2 (+), and Microphone 2 (-) circuits.