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 1010 (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 2008 Mercury Milan, 2008 Lincoln MKZ, and 2008 Ford Fusion. 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):
- 11 (30A) (no communication with dual climate control seat module [DCSM])
- 12 (30A) (no communication with DCSM)
- 13 (10A) (no communication with accessory protocol interface module [APIM])
- 15 (10A) (no communication with driver seat module [DSM])
- 16 (15A) (no communication with transmission control module [TCM])
- 19 (40A) (no communication with smart junction box [SJB])
- 20 (20A) (no communication with audio digital signal processing [DSP] module)
- 21 (20A) (no communication with audio DSP module)
- 23 (10A) (no communication with TCM-FNR5 transaxle, PCM)
- 23 (10A) (no communication with the PCM)
- 26 (7.5A) (no communication with the PCM)
- 42 (15A) (no communication with the PCM, 3.0L and 3.5L engines)
- 47 (15A) (no communication with the PCM, 2.3L engine)
- SJB fuse(s):
- 12 (7.5A) (no communication with audio control module [ACM])
- 13 (10A) (no communication with instrument cluster [IC], heating ventilation air conditioning [HVAC] module)
- 18 (20A) (no power to scan tool, no communication with ACM)
- 20 (7.5A) (no communication with driver door module [DDM], satellite digital audio receiver system [SDARS] module, 4X4 control module)
- 23 (7.5A) (no communication with IC)
- 24 (7.5A) (no communication with occupant classification system module [OCSM])
- 25 (7.5A) (no communication with restraints control module [RCM])
- 26 (7.5A) (no communication with TCM, PCM)
- 27 (7.5A) (no communication with HVAC module, IC)
- 28 (10A) (no communication with ABS module, 4X4 control module, PAM)
- 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.