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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSMERCURY2009MOUNTAINEER 4.6 8, RWDREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXLIGHTING DTCSEXTERIOR LIGHTINGAUTOLAMPS
2009 Mercury Mountaineer 4.6 8, RWD
Exterior Lighting: AUTOLAMPS
2009 Mercury Mountaineer 4.6 8, RWDSECTION AUTOLAMPS
SMART JUNCTION BOX (SJB) DIAGNOSTIC TROUBLE CODES (DTC) LIST
| DTC | Description | Perform Test |
|---|---|---|
| B1696 | Autolamp On Circuit Short to Ground | Go to Pinpoint Test G . |
| B1791 | Autolamp Sensor Input Circuit Open | Go to Pinpoint Test G . |
| B1793 | Autolamp Sensor Input Circuit Short to Ground | Go to Pinpoint Test F . |
| B2008 | Wipers On Signal Circuit Short to Ground | Go to Pinpoint Test G . |
| All other DTCs | - | REFER to MULTIFUNCTION ELECTRONIC MODULES article. |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.