Civic Si L4-2.0L (2004)
5. Reconnect all connections to the under dash fuse/relay box, turn the ignition switch ON (II) to keep the system awake and make these input tests at
the appropriate connectors on the under dash fuse/relay box
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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, go to step 6