How To Reset The Ecm; How To End A Troubleshooting Session; How To Remove The Ecm For Testing - Honda Civic 2002-2003 Service Manual

Fuel and Emissions Systems
General Troubleshooting Information (cont'd)
How to Reset the ECM
You can reset the ECM in either of two ways:
• Use the OBD II scan tool or Honda PGM Tester to
reset the ECM memory,
See the OBD II scan tool or Honda PGM Tester user's
manuals for specific instructions .
• Turn the ignition switch OFF, and remove the No, 6
ECU (ECMI (15A) fuse (A) from the under-hood fuse/
relay box (B) for 10 seconds,
How to End a Troubleshooting Session
(required after any troubleshooting)
1, Reset the ECM as described above,
2, Do the ECM idle learn procedure (see page 11-139)
3, Turn the ignition switch OFF,
4, Disconnect the OBD II scan tool or Honda PGM
Tester from the DLC,
NOTE: The ECM is part of the immobilizer system,
If you 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
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),
9,8N,m
(1,0 kgf,m, 7,2Ibf,ftl
3, Remove the ECM (B),
4, Install the ECM in the reverse order of removal.