Ecm/Pcm Internal Circuit - Honda Civic Service Manual

PGM-FI System
ECM/PCM lnternal Circuit
[Fi6oil th" """n tool indicates Diagnostic Trouble code (DTc) p1607: An EcM/pcM
lnternal circuit probtem.
-
The MIL has been reported on.
-
DTC P1607 is stored.
Problern verif ication:
1. Do the ECN4/PCM Reset pro-
cedure.
2. Turn the ignition switch ON t).
3. Wait 10 seconds.
ls DTC P 1607 indicated?
Substitule a known-good ECM/
PCM and recheck. lf symptom/
indication goes away, .epl.ce the
origin.l ECM/PCM.
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