Passat Sedan V6-2792cc 2.8L DOHC (AAA) SFI (1997)
Coolant Temperature Sensor/Switch (For Computer): Service and Repair
Removing and Installing:
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Engine Control Module (ECM).
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Heated Oxygen Sensor (HO2S).
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Engine Coolant Sensor (ECT).
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Engine Speed (RPM) Sensor.
1. Connector
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Only disconnect or connect with ignition switched off.
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Unlatch to disconnect.
2. 10 Nm (7 ft lb)
3. Engine Control Module (ECM) -J220-*
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Location: in plenum chamber, right side.
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For fuel injection system oxygen sensor control, EVAP canister purge regulator valve, speed governing via fuel pump relay, idle speed control,
ignition and On Board Diagnostic (OBD).
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Check ECM coding.