Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSLINCOLN2007MKZ FWD V6-3.5L VIN TREPAIR AND DIAGNOSISACCESSORIES AND OPTIONAL EQUIPMENTTESTING AND INSPECTIONPINPOINT TESTSTEST J: THE AUDIO INPUT JACK IS INOPERATIVE/DOES NOT OPERATE CORRECTLY
2007 Lincoln MKZ FWD V6-3.5L VIN T
Test J: The Audio Input Jack Is Inoperative/Does Not Operate Correctly
2007 Lincoln MKZ FWD V6-3.5L VIN TSECTION Test J: The Audio Input Jack Is Inoperative/Does Not Operate Correctly
PINPOINT TEST J: THE AUDIO INPUT JACK IS INOPERATIVE/DOES NOT OPERATE CORRECTLY
Normal Operation
Audio signals are sent from the audio input jack to the audio unit. There are no external power or ground circuits to the audio input jack.
Possible Causes
- Circuit RME45 (YE/GN) open, short to ground or voltage
- Circuit RME46 (WH/GN) open, short to ground or voltage
- Circuit VME45 (BU) open, short to ground or voltage
- Circuit VME46 (BU/GN) open, short to ground or voltage
- Audio input jack
- Audio unit
J1:
J1-J3:
Normal Operation
Audio signals are sent from the audio input jack to the audio unit. There are no external power or ground circuits to the audio input jack.
Possible Causes
- Circuit RME45 (YE/GN) open, short to ground or voltage
- Circuit RME46 (WH/GN) open, short to ground or voltage
- Circuit VME45 (BU) open, short to ground or voltage
- Circuit VME46 (BU/GN) open, short to ground or voltage
- Audio input jack
- Audio unit
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.