Ecm/Pcm Internal Circuit Malfunction - Honda 2002 Accord Manual

PGM-FI System
DTC Troubleshooting (cont'd)
DTC P1607: ECM/PCM Internal Circuit
Malfunction
1. Reset the ECM/PCM (see page 11-4).
2. Turn the ignition switch ON (II).
3. Wait 30 seconds.
Is DTC P1607 Indicated?
Y E S - S u b s t i t u t e a known-good ECM/PCM and
recheck (see page 11-5). If the symptom/indication
goes away, replace the original ECM/PCM. •
N O ~ G o t o step 4.
4. Turn the ignition switch OFF.
5. Turn the ignition switch ON (II).
6. Wait 10 seconds.
Is DTC P1607 indicated?
Y E S - S u b s t i t u t e a known-good ECM/PCM and
recheck (see page 11-5). If the symptom/indication
goes away, replace the original ECM/PCM. •
NO-Intermittent failure, system is OK at this
time.B
11-90