Honda Accord 2008 Manual page 511

07/11/02 09:10:09 61TA0000_110_0192
PGM-FI System
DTC Troubleshooting (cont'd)
11. Check for continuity between ECM/PCM connector
terminal A4 and VSA modulator-control unit 36P
connector terminal No. 1.
＊０２
VSA MODULATOR-CONTROL UNIT 36P CONNECTOR
CANL
(RED)
Is there continuity?
YES
does not have the latest software (see page 19-140),
or substitute a known-good VSA modulator-control
unit (see page 19-141), then go to step 12 and
recheck. If DTC U0122 is not indicated after
substitution, replace the original VSA modulator-
control unit (see page 19-141), then go to step 12.
NO −
PCM (A4) and the VSA modulator-control unit, then
go to step 12.
11-192
ECM/PCM CONNECTOR A (49P)
CANL (RED)
Terminal side of female terminals
Wire side of female terminals
− Update the VSA modulator-control unit if it
Repair open in the wire between the ECM/
12. Reconnect all connectors.
13. Turn the ignition switch to ON (II).
14. Reset the ECM/PCM with the HDS.
15. Do the ECM/PCM idle learn procedure (see page
11-343).
16. Check for Temporary DTCs or DTCs with the HDS.
Is DT C U0122 indicated?
YES − Check for poor connections or loose
terminals at the VSA modulator unit and the ECM/
PCM, then go to step 1.
NO − Troubleshooting is complete. If any other
Temporary DTCs or DTCs are indicated, go to the
indicated DTC's troubleshooting.