Eclipse GT V6-3.0L SOHC (2000)
Data Link Connector: Testing and Inspection
Scan Tool Communication With PCM/ECM Is Not Possible
Data Link Connector Circuit
CIRCUIT OPERATION
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A diagnostic output is made from the ECM (terminal 85) <M/T> or PCM (terminal 85) <A/T> to the diagnostic output terminal (terminal 7) of the
data link connector.
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When diagnostic test mode control terminal (terminal 1) of the data link connector is grounded, the ECM (terminal 84) <M/T> or PCM (terminal
84) <A/T> changes to the diagnostic test mode.
COMMENT
One of the following causes may be suspected:
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No power supply to ECM or PCM.