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Home >> Honda >> 1994 >> Prelude L4-2.2L SOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Diagnostic Mode Switch/Connector >> Description and Operation
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Diagnostic Mode Switch/Connector: Description and Operation

Service Check, Data Link, And Memory Eraser Short Connectors:





DESCRIPTION
The Service Check Connector is used to trigger the self diagnostic capabilities of the Programmed Fuel Injection Electronic Control Module (PGM-FI ECM).

OPERATION
By connecting the Service Check Connector terminals with a jumper wire as shown, the PGM-FI ECM will begin to indicate any stored Data Trouble Codes.

CAUTION: DO NOT connect the jumper wire to the three pin Data Link Connector which is next to the Service Check Connector.
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