740 L4-2320cc 2.3L DOHC B234F (Can) (1992)
Instrument Panel Circuit Board: Service and Repair
Flexible circuit card to rear of combined Instrument panel, replacement
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Remove combined Instrument panel. See: Service and Repair
VDO circuit card, replacement .................................................................................................................................................................................... S10
1982-1983
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Remove all bulb sockets.
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Remove rheostat. See: Service and Repair
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Carefully pry off connector holders with a screwdriver.
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Remove all screws and nuts retaining circuit card.
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Remove connector seal (of lead) from speedometer.
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Detach circuit card from backplate by carefully pulling out crimped terminals.
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Remove flexible circuit card.
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Fit new unit.
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Reassemble in reverse order. Insert new seal. Tighten all screws well.
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Test.
Yazaki circuit card, replacement .................................................................................................................................................................................. S11
Before replacing circuit card, check that there Is no corrosion between screws and circuit card, and also that all screws are really tight.
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Remove one screw at a time, and carefully scrape circuit card to clean up surfaces beneath screws.
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Replace screws and tighten securely.
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Reassemble all connectors and check that everything works.
Circuit card on combined Instrument panel ................................................................................................................................................................ S12
Yazaki, replacement
740/780 1984-1990
760 1984-1987
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Check that there is no corrosion between screws and circuit card, as per S11.
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Remove backing plate from housing by removing screws around the edge.