Temperature warning for over-heated catalytic converter
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Temperature warning for over-heated catalytic converter
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When current (+15 circuit) is applied to relay pin 4, the warning lamp is grounded and comes on for about 3 seconds. Normally the warning lamp then goes out and does not come on again until the temperature exceeds the specified limit. If the lamp stays on, there is a break in the temperature sensor circuit.
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1.
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Check that fuse 17 in the dashboard's distribution centre is intact and that there is voltage to the temperature sensor and to the relay.
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2.
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Check connectors, wiring and ground connections.
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