3-Pin MG643226 / MG633228 Waterproof 1.0mm Camshaft Position Sensor Connector – Nissan

Direct-fit replacement for part numbers MG643226 (female socket) and MG633228 (cross-reference), a 3-pin waterproof 1.0mm pitch connector used for camshaft position sensor (CMP) harness connections on Nissan vehicles.

Key Specifications

• Part Numbers: MG643226 (female) / MG633228 (cross-ref)
• Pin Count: 3
• Gender: Female socket (with wire)
• Terminal Pitch: 1.0mm
• Wire Gauge: 22 AWG (0.3 mm²)
• Wire Length: 5.5 inches (140 mm)
• Waterproof Rating: IP68
• Housing Material: PA66 glass-filled nylon
• Terminal Material: Copper alloy, tin-plated
• Current Rating: Up to 3A per pin

CMP Sensor Pin Assignment

Compatible Nissan Vehicles

• Nissan Altima (L31/L32) – QR25DE / VQ35DE
• Nissan Sentra / Sylphy – 1.8L / 2.0L
• Nissan X-Trail / Rogue – QR25DE
• Nissan Teana (J31/J32) – VQ35DE
• Infiniti G35 / G37 – VQ35DE / VQ37VHR

Fault Codes

• P0340 / P0341 – CMP Sensor A Circuit (Bank 1)
• P0345 / P0346 – CMP Sensor A Circuit (Bank 2)
• No-start: ECM disables injection without valid CMP signal

FAQ

Q: Can a bad CMP connector cause no-start on Nissan?
A: Yes – open circuit at MG643226 disables fuel injection. Test connector before replacing the sensor.

Q: What crimping tool is needed?
A: Precision micro-crimper for 0.3mm² (22 AWG) – Engineer PA-09 or TE 91516-1.

Package Contents

1 × 3-Pin Female Connector (MG643226 / MG633228) with 22 AWG wire and terminal insert