Honda Accord 2008 Manual page 1545

07/11/02 09:37:11 61TA0000_190_0124
VSA System Components
DTC Troubleshooting (cont'd)
10. Reconnect all connectors.
11. Update the VSA modulator-control unit if it does
not have the latest software (see page 19-140). If
the unit already has the latest software, substitute a
known-good VSA modulator-control unit (see page
19-141).
12. Turn the ignition switch to LOCK (0), then turn it to
ON (II) again.
13. Check for DTCs with the HDS.
Is DT C 86-01 indicated?
−
YES Check for loose terminals in the VSA
modulator-control unit 36P connector. If the VSA
modulator-control unit was updated, substitute a
known-good VSA modulator-control unit (see page
19-141), then retest. If the VSA modulator-control
unit was substituted, go to step 1.
NO − If the VSA modulator-control unit was
updated, troubleshooting is complete. If the VSA
modulator-control unit was substituted, replace the
original VSA modulator-control unit (see page
19-141). If any other DTCs are indicated, go to the
indicated DTCs troubleshooting.
19-124 19-124
DTC 86-11: F-CAN Communication with
ECM/PCM Malfunction
DTC 86-21: F-CAN Communication with
Engine Malfunction
DTC 86-22: F-CAN Communication with
Engine Malfunction
DTC 86-23: F-CAN Communication with
Engine Malfunction
DTC 86-24: F-CAN Communication with
Engine Malfunction
DTC 86-25: F-CAN Communication with
Engine Malfunction
DTC 86-41: F-CAN Communication with EAT
Malfunction
1. Turn the ignition switch to ON (II).
2. Clear the DTC with the HDS.
3. Test-drive the vehicle. Drive the vehicle at 7 mph
(10 km/h) or more.
NOTE: Drive the vehicle on a straight section of
road, not on a lift.
4. Check for DTCs with the HDS.
Is DT C 86-11, 86-21, 86-22, 86-23, 86-24, 86-25,
and/ or 86-41 indicated?
YES − If the DTC 86-01 is indicated at the same time,
do the DTC 86-01 troubleshooting (see page
19-123). If the DTC 86-01 is not indicated, go to step
5.
NO − If any other DTCs are indicated, go to the
indicated DTCs troubleshooting. If DTCs are not
indicated, intermittent failure, the system is OK at
this time. Check for loose terminals between ECM/
PCM connector A (49P) and the VSA modulator-
control unit 36P connector. Refer to intermittent
failures troubleshooting (see page 19-47).
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