Honda Civic Service Manual page 211

Fuel and Emissions Systems
General Troubleshooting Information (cont'dl
How to Reset the ECM
You can reset the ECM in either of two ways:
. U s e t h e O B D l l s c a n t o o l o r H o n d a P G M T e s t e r t o
reset the ECM memory.
See the OBD ll scan tool or Honda PGI\4 Tester user's
manuals for specific instructions.
' Turn the ignition switch OFF, and remove the No. 6
ECU {ECM} (15A) fuse (A)from the under-hood fuse/
r e l a v b o x ( B l f o r 1 0 s e c o n d s .
How to End a Troubleshooting Session
(required after any troubleshootingl
1. Reset the ECM as described above.
2 . D o t h e E C M i d l e l e a r n p r o c e d u r e ( s e e p a g e 1 1 - 1 3 9 )
3. Turn the ignition switch OFF.
4. Disconnectthe OBD ll scan tool or Honda PGM
Tester from the DLC.
NOTE: The ECM is part of the immobilizer system.
lf vou replace the ECM, it will have a different
immobilizer code. In order for the engine to start,
you must rewrite the immobilizer code with the
Honda PGM Tester.
11-4
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How to Remove the ECM for Testing
1. Remove the passenger's dashboard lower cover
{see page 20-63), the passenger's kick panel (see
page 20-63), and the glove box (see page 20-63).
2. Remove the ECM mounting bolts (B) and the ECM
(c),
9.8 N.m
{1.0 kgf.m,7.2lbt.ft}
3 . R e m o v e t h e E C M ( B ) .
4. Installthe ECM in the reverse order of removal.
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