Cabriolet V6-2.8L (AFC) (1995)
Outside Temperature Display: Service and Repair
5-Pin Outside Temperature Display Harness Connector
Terminal 1: vehicle speed signal
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Set digital multimeter (Fluke 83 or equivalent) to AC mV range.
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Connect red multimeter test lead to connector terminal 1.
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Connect black multimeter test lead to Ground (GND).
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Drive vehicle at walking speed.
Specification: approx. 4 mV
Terminal 2: outside (ambient temperature sensor)
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Set digital multimeter (Fluke 83 or equivalent) to resistance measuring range.
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Connect red multimeter test lead to connector terminal -2-.
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Connect black multimeter test lead to Ground (GND).
Specification: resistance value varies with temperature according to graph
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Compare measured resistance with graph.
Terminal 3: Ground (GND)
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Set digital multimeter (Fluke 83 or equivalent) to resistance measuring range.
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Connect red multimeter test lead to connector terminal -3-.
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Connect black multimeter test lead to Ground (GND).
Specification: 0 (ohm) (continuity)
Terminal 4: instrument illumination, terminal 58d