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 MANUALSMERCURY2009MILAN PREMIER, 3.0 1, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1686 (MODULE COMMUNICATIONS NETWORK)DIAGNOSTIC TESTSCOMMUNICATIONS NETWORKINSPECTION AND VERIFICATION
2009 Mercury Milan Premier, 3.0 1, AWD
Inspection and Verification
2009 Mercury Milan Premier, 3.0 1, AWDSECTION Inspection and Verification
WARNING: This page is about a different car, the 2010 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
- Verify the customer concern.
- Visually inspect for obvious signs of electrical damage.VISUAL INSPECTION CHART
Electrical - Battery junction box (BJB) fuse(s):
- 3 (10A) (no communication with PCM)
- 13 (10A) (no communication with vehicle dynamics module [VDM])
- 20 (15A) (no communication with PCM)
- 106 (40A) (no communication with ABS module)
- 109 (20A) (no communication with ABS module)
- Central junction box (CJB) fuse(s):
- 2 (10A) (no communication with restraints control module [RCM])
- 8 (10A) (no communication with IC, LTM)
- 13 (10A) (no communication with IC, parking aid module [PAM], VDM, ABS module)
- 15 (10A) (no communication with HVAC module)
- 16 (20A) (no power to scan tool)
- 19 (7.5A) (no communication with driver door module [DDM], driver seat module [DSM], LTM)
- 23 (10A) (no communication with lighting control module [LCM])
- 25 (10A) (no communication with HVAC module, IC)
- 32 (7.5A) (no communication with rear audio and temperature control (RATC) module)
- Data link connector (DLC)
- Wiring harness
- Wiring, terminals or connectors.
- Battery junction box (BJB) fuse(s):
- If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
NOTE:
Make sure to use the latest scan tool software release.
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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.