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 1106 (MODULE COMMUNICATIONS NETWORK SYSTEM)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 Mariner and 2008 Ford Escape. 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):
- MIDI 80A (no communication with power steering control module [PSCM])
- 5 (10A) (no communication with PCM, traction battery control module [TBCM] [Hybrid only])
- 6 (5A) (no communication with ABS module [Hybrid only])
- 8 (5A) (no communication with transmission control module [TCM] [Hybrid only])
- 9 (50A) (no communication with ABS module [Hybrid only])
- 15 (50A) (no communication with TBCM [Hybrid only])
- 18 (20A) (no communication with ABS module [Escape and Mariner only])
- 18 (50A) (no communication with ABS module [Hybrid only])
- 23 (5A) (no communication with TBCM [Hybrid only])
- 27 (10A) (no communication with TCM [Hybrid only])
- 29 (15A) (no communication with PCM)
- Smart junction box (SJB) fuse(s):
- 5 (10A) (no communication with the SJB)
- 11 (10A) (no communication with 4X4 control module)
- 14 (10A) (no communication with front controls interface module [FCIM], front display interface module [FDIM], satellite digital audio receiver system [SDARS] module)
- 15 (10A) (no communication with heating ventilation air conditioning [HVAC] module)
- 20 (15A) (no power to scan tool)
- 26 (10A) (no communication with TBCM [Hybrid only])
- 27 (10A) (no communication with TCM [Hybrid only])
- 29 (5A) (no communication with instrument cluster [IC])
- 31 (10A) (no communication with restraints control module [RCM] [late build])
- 32 (10A) (no communication with [RCM] [early build])
- 34 (5A) (no communication with ABS module [Escape and Mariner only])
- 35 (10A) (no communication with parking aid module [PAM], 4X4 control module, PSCM)
- 37 (10A) (no communication with HVAC module)
- 39 (20A) (no communication with audio control module [ACM])
- 43 (10A) (no communication with the IC)
- Data link connector (DLC)
- 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.