Mariner 4WD V6-3.0L (2010)
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Is the resistance less than 5 ohms between the interior rear view mirror and the IC, and greater than 10,000 ohms between the interior
rear view mirror and ground?
Yes
GO to A6.
No
REPAIR the circuit. CONNECT the negative battery cable. CLEAR the DTCs. REPEAT the self-test.
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A6 CHECK THE COMPASS (-) COMMUNICATION CIRCUIT FOR AN OPEN OR SHORT TO GROUND
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Measure the resistance between the interior rear view mirror, harness side and the IC, harness side; and between the interior rear view mirror,
harness side and ground as follows:
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Is the resistance less than 5 ohms between the interior rear view mirror and the IC, and greater than 10,000 ohms between the interior