Cabriolet V6-2.8L (AFC) (1995)
Temperature Warning Lamp/Indicator: Testing and Inspection
Engine Coolant Temperature (ECT) warning light/symbol, checking
Electronic thermoswitch connections
+ voltage supply, terminal 15a
C to overheat warning lamp
R to A/C control unit
T to coolant temperature gauge
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Disconnect ECT thermal switch connector, located on the coolant line behind the right-side cylinder head.
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Connect thermal switch connector terminal C to Ground (GND), using VW1 594 connector test kit.
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Start engine.
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ECT warning light symbol must be displayed (flashing).
If specification is not met:
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Check wiring for open circuit according to wiring diagram, and repair as necessary.
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Check bulb (1.2W), and replace if necessary.
If warning light checks OK:
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Check Mini Check display unit.