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 MANUALSMERCURY2011MARINER PREMIER, 2.5 7, AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTWARNING SYSTEMSPARKING AID SYSTEMDIAGNOSIS AND TESTINGPARKING AIDPRINCIPLES OF OPERATIONPARKING AID MODULE (PAM) NETWORK COMMUNICATION MESSAGES
2011 Mercury Mariner Premier, 2.5 7, AWD
Parking Aid Module (PAM) Network Communication Messages
2011 Mercury Mariner Premier, 2.5 7, AWDSECTION Parking Aid Module (PAM) Network Communication Messages
PARKING AID MODULE (PAM) NETWORK COMMUNICATION CHART
| Broadcast Message | Originating Module | Network Type | Receiving Module |
|---|---|---|---|
| Ambient temperature | Instrument Cluster (IC) | HS-CAN | PAM |
| Ignition switch position | SJB | MS-CAN | IC |
| Ignition switch position (gateway) | IC | HS-CAN | PAM |
| Parking aid enabled status | PAM | HS-CAN | IC |
| Parking aid sensor distance to target | PAM | HS-CAN | IC |
| Parking aid sensor distance to target (gateway) | IC | MS-CAN | SJB |
| Parking aid sounder status | IC | HS-CAN | PAM |
| Parking aid system fault status | PAM | HS-CAN | IC |
| Parking aid volume cutback request | PAM | HS-CAN | IC |
| Parking aid volume cutback request (gateway) | IC | MS-CAN | Audio Control Module (ACM) |
| Transmission selector (PRNDL) status | PCM | HS-CAN | IC PAM |
| Vehicle speed (Non-Hybrid) | PCM | HS-CAN | IC PAM |
| Vehicle speed (Hybrid) | Transmission Control Module (TCM) | HS-CAN | IC PAM |
| Wheel speed data | ABS module | HS-CAN | PAM PSCM |
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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.