Table of Contents
Advertisement
Fuel and Emissions Systems
General Troubleshooting Information (cont'd)
How to Reset the ECM
You can reset the ECM in either of two ways:
NOTE: after resetting the ECM, do the ECM idle learn
p r o c e d u r e ( s e e p a g e 1 1 ' 1 0 0 ) .
Reset the ECM with the OBD ll scan tool or
Honda PGM Tester
1. Turn the ignition switch ON {ll). Do not start the
e n g i n e .
2 . 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
clear the DTC.
NOTE: For the specific operations, refer to the use's
manual that came with the scan tool or Honda PGM
Tester.
Reset the ECM by removing the fuse
1 . T u r n t h e i g n i t i o n s w i t c h O F F .
2. Remove the No. 25 BACK UP (7.5 A) fuse (A) from
the under-dash fuse/relay box (B) for 60 seconds.
.!:i
How to End a Troubleshooting Session
(required after any troubleshootingl
1. Reset the ECM as described above.
Turn the ignition switch OFF.
Disconnect the OBDII scan tool or Honda PGM
Tester from the data link connector (DLC).
NOTE:
. The ECM is part of the immobilizer system. lf you
replace the ECM. it will have a different
i m m o b i l i z e r c o d e . I n o r d e r f o r t h e e n g i n e t o s t a n ,
y o u m u s t r e w r i t e t h e i m m o b i l i z e r c o d e w i t h t h e
Honda PGM Tester.
. D o r h e 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 0 0 ) .
11-4
How to Remove the ECM for Testing
NOTE:
' Make sure you have the anti theft code for the rad io,
then write down the frequencies for the radio's preset
buttons before you disconnect the negative cable
from the battery.
. Enter the anti theft code, then enter the customer's
radio station presets, and set the clock after you
reconnect the negative cable to the battery.
lf the inspection for a trouble code requires voltage or
resistance checks at the ECM connectors, remove the
ECM and test it:
1. Disconnectthe negative cable trom the battery.
2 . R e m o v e t h e l e f t s i d e k i c k p a n e l ( A ) t o e x p o s e t h e
E C M ( B ) .
B
9.6 N.m,
(1.0 kgt m,
7.2 tbl.ttl
3. Remove the two bolts from the ECM (B).
4. Disconnect the ECM connectors.
5. lnstallthe ECM in the reverse order of removal.
6. Reconnect the negative cable to the battery.
7 . D o t h e 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 0 0 ) .
Advertisement
Table of Contents
Troubleshooting
