Honda Accord 2008 Manual page 465

07/11/02 09:05:54 61TA0000_110_0146
PGM-FI System
DTC Troubleshooting (cont'd)
DTC P0602: ECM/PCM Programming Error
NOTE:
• Before you troubleshoot, record all freeze data and
any on-board snapshot, and review the general
troubleshooting information (see page 11-3).
• This DTC is indicated when an ECM/PCM update is
not completed.
• Do not turn the ignition switch to LOCK (0) or ACC (I)
while updating the ECM/PCM. If you turn the ignition
switch to LOCK (0) or ACC (I) before completion, the
ECM/PCM can be damaged.
1. Do the ECM/PCM update procedure (see page
11-231).
2. Check for Temporary DTCs or DTCs with the HDS.
Is DT C P0602 indicated?
−
YES Replace the original ECM/PCM (see page
11-232).
NO − Update is complete. If any other Temporary
DTCs or DTCs are indicated, go to the indicated
DTC's troubleshooting.
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DTC P0606: ECM/PCM Processor Malfunction
NOTE: Before you troubleshoot, record all freeze data
and any on-board snapshot, and review the general
troubleshooting information (see page 11-3).
1. Turn the ignition switch to ON (II).
2. Clear the DTC with the HDS.
3. Turn the ignition switch to LOCK (0).
4. Turn the ignition switch to ON (II).
5. Wait 40 seconds.
6. Check for Temporary DTCs or DTCs with the HDS.
Is DT C P0606 indicated?
−
YES Go to step 7.
NO − Intermittent failure, the system is OK at this
time.
7. Update the ECM/PCM if it does not have the latest
software (see page 11-231), or substitute a known-
good ECM/PCM (see page 11-7).
8. Turn the ignition switch to LOCK (0).
9. Turn the ignition switch to ON (II).
10. Wait 40 seconds.
11. Check for Temporary DTCs or DTCs with the HDS.
Is DT C P0606 indicated?
−
YES If the ECM/PCM was updated, substitute a
known-good ECM/PCM (see page 11-7), then go to
step 8. If the ECM/PCM was substituted, go to step
1.
−
NO If the ECM/PCM was updated, troubleshooting
is complete. If the ECM/PCM was substituted,
replace the original ECM/PCM (see page 11-232). If
any other Temporary DTCs or DTCs are indicated,
go to the indicated DTC's troubleshooting.
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