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 MANUALSFORD2009RANGER 2D PICKUP, 2.3 D, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 109 (MODULE COMMUNICATIONS NETWORK SYSTEM)DIAGNOSTIC TESTSCOMMUNICATIONS NETWORKINSPECTION & VERIFICATION
2009 Ford Ranger 2D Pickup, 2.3 D, Automatic
Inspection & Verification
2009 Ford Ranger 2D Pickup, 2.3 D, AutomaticSECTION Inspection & Verification
WARNING: This page is about a different car, the 2008 Ford Ranger. 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):
- 9 (40A) (no communication with the smart junction box [SJB])
- 21 (10A) (no communication with the PCM)
- 39 (15A) (no communication with the PCM)
- SJB fuse(s):
- 8 (10A) (no communication with the restraints control module [RCM], occupant classification system module [OCSM])
- 9 (5A) (no communication with the instrument cluster [IC])
- 10 (10A) (no communication with the IC, 4X4 control module)
- 11 (10A) (no communication with the SJB)
- 20 (10A) (no communication with the ABS module)
- 28 (15A) (no power to the 4X4 control module)
- 29 (20A) (no power to the scan tool)
- 33 (5A) (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.