CL L4-2156cc 2.2L SOHC F22B1 MFI (1997)
3. Inspect the connector and socket terminals to be sure they are all making good contact.
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If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system.
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If the terminals look OK, make the following input tests at the connector.
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If any test indicates a problem, find and correct the cause, then recheck the system.
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If all the input tests prove OK, the control unit must be faulty; replace it.
