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Home >> Volkswagen >> 2001 >> Jetta GL, 2.0 S, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 35 (1.8L - Fuel Injection & Ignition, Engine Code(S): AWD) >> 01 On Board Diagnostic (OBD) >> Measuring value blocks, evaluating, display groups 0-9 (basic functions) >> Measuring value blocks, evaluating, display groups 0-9 (basic functions) >> Evaluation display group 4, display field 3 - coolant temperature

Evaluation display group 4, display field 3 - coolant temperature

WARNING: This page is about a different variant/trim than selected.
Indicated on display  Possible cause Corrective action
less than 80 ° C
  • Engine too cold
  • Road test vehicle if necessary
 
  • Engine Coolant Temperature (ECT) sensor or wire connection to Engine Control Module (ECM)
above 110 ° C
  • Radiator dirty
  • Clean radiator
 
  • Coolant fan not working
  • Check function: Refer to Electrical Wiring Diagrams, Troubleshooting & Component Locations
 
  • Coolant regulator faulty (thermostat)
 
  • Engine Coolant Temperature (ECT) sensor or wire connection to Engine Control Module (ECM)
constant -48.0 ° C
  • Open circuit in wiring
constant 143 ° C
  • Short circuit between wire 3 and 4