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.
Coolant Temperature Sensors, Connector Assignment - Engine(S): CBEA
Engine coolant temperature sensor -G62-
The engine coolant temperature sensor is located on the left side on the engine behind the air guide pipe leading to the turbocharger.
-- Carefully release and remove 2-pin electrical connector -1-.
Terminal assignment of the 2-pin harness connector at engine coolant temperature sensor
- Wire connection from engine coolant temperature sensor to engine control module
- Sensor ground
Engine coolant temperature sensor on radiator -G83-
The engine coolant temperature sensor on radiator is located on the engine next to the generator.
-- Carefully release and remove 2-pin electrical connector -1-.
2-pin connector assignment on engine coolant temperature sensor on radiator
- Wiring connection from engine coolant temperature sensor on radiator to engine control module
- Sensor ground
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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.