Engine - Coolant Temperature Sensor/Switch: Locations

Components, Checking






• 1 - Fuel injector

• 2 - Camshaft Position (CMP) sensor

• 4 - Motronic engine control module

• 7 - Engine Coolant Temperature (ECT) Sensor

• 8 - Evaporative Emission (EVAP) Canister Purge Regulator Valve

• 9 - Ignition coil with power output stage

• 10 - Mass Air Flow / Intake Air Temperature (MAF) Sensor

• 12 - Engine speed (RPM) sensor

• 13 - Throttle valve control module

• 14 - Camshaft Adjustment Valve

• 15 - Secondary Air Injection (AIR) Pump Motor

• 16 - Knock Sensor (KS) 1

• 17 - Knock Sensor (KS) 2

• 18 - O2 Connector Engine Code CBUA: 6 pin

• 19 - Heated Oxygen Sensor (HO2S) -G39- in front of the catalytic converter

• 20 - O2 Connector Engine Code CBUA: 4 pin

• 21 - Oxygen Sensor (O2S (in Center Three Way Catalytic Converter (TWC), Bank 1

• 22 - O2 Connector 4 pin

• 23 - Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC)

. 6 - Secondary air injection (AIR) solenoid valve 11 - E-box, in engine compartment