Honda Civic Service Manual page 730

PCM Reset Procedure
1. Turn the ignition switch off.
2.
Remove the BACK UP fuse (7.5 A) from the under-hood fuse/relay box for
'10 seconds to reset the PCM'
NOTE:
.
Disconnecting the BACK UP fuse also cancels the radio preset stations and clock setting Make note of
the radio
presets before removing the luse so you can reset them
. in" gCfU memory can also be cleared by using the OBD ll Scan Tool or Honda PGM Tester'
Final Procedure
NOTE: This procedure must be done after any troubleshooting.
1. Turn the ignition switch OFF.
2.
Reset the PcM.
3.
Disconnect the oBD ll scan Tool or Honda PGM Tester from the Data Link connector, or remove
the special tool from
the Service Check Connector.
4. Turn the ignition switch ON (ll), and set the radio presets and clock setting'
5 ' T o V e r i f y t h e p r o b | e m i s r e p a i r e d , t e s t . d r i v e t h e V e h i c | e f o r s e v e r a l m i n u t e s a t s p e e d s o v e r 3 0 m p h ( 4 8 k m / h ) .
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