Touareg V10-5.0L DSL Turbo (BKW) (2004)
Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection
Diagnostic Procedures
Engine Coolant Temperature Sensor, Checking
‹› Use only gold-plated terminals when servicing terminals in harness connector.
Special tools, testers and auxiliary items required
‹› Multimeter (VAG1526) or Multimeter (VAG1715)
‹› Connector test kit (VAG1594)
‹› Wiring diagram
Test Prerequisites
‹› Fuses in E-box (plenum chamber, left) must be OK:
‹› For vehicles with automatic transmission, selector lever must be in P.
‹› Battery voltage must be at least 11.5 volts.
‹› Ground (GND) connections between engine and chassis must be OK.
‹› Engine must be cold.
Function Test
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Connect diagnostic tester.
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Switch ignition on.
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Under address word 33, select "Diagnostic mode 1: Check measured values."
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Select the measuring value "PID 05: Coolant temperature".
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Check specified value of coolant temperature:
If specified value is not obtained:
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End diagnosis and switch ignition off.