Toyota / Hyundai 12-Pin Waterproof Connector – OEM MG651343-5 / MG641340-5 | 1 Set
OEM-specification 12-pin waterproof connector set for Toyota and Hyundai ECM, BCM, and control module harnesses. Cross-references part numbers MG651343-5 / MG651343 (female/socket side) and MG641340-5 / MG641340 (male/plug side). Sold as 1 complete set (1 male + 1 female). Available bare or with 15cm pre-wired leads.
| Part Number | Type |
|---|---|
| MG651343-5 / MG651343 | Female (socket side) — harness side |
| MG641340-5 / MG641340 | Male (plug side) — module side |
| Pin Group | Typical Function | Failure Symptom if Corroded |
|---|---|---|
| Pins 1–3 | Module power (+12V) and grounds | Module completely inactive |
| Pins 4–6 | CAN High / CAN Low and diagnostic signal | U0073 CAN bus off, U0100 lost ECM communication |
| Pins 7–9 | Sensor reference (+5V) and signal inputs | Multiple sensor fault codes simultaneously |
| Pins 10–12 | Actuator control outputs and feedback | Actuators not responding |
| Attribute | Detail |
|---|---|
| Pin Count | 12-Pin |
| OEM Part Numbers | MG651343-5 / MG641340-5 |
| Pack Quantity | 1 set (1 male + 1 female) |
| Housing Material | Nylon (PA66), waterproof sealed |
| Wire Option | Bare connector / 15cm pre-wired leads |
| Application | ECM, BCM, and control module harness |
| Compatible Brands | Toyota, Hyundai |
Q: Are terminals included?
A: Yes, terminals are included with all variants.
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12 Pin Connectors
