Honda Accord 2008 Manual page 1529

07/11/02 09:36:24 61TA0000_190_0108
VSA System Components
DTC Troubleshooting (cont'd)
DTC 66-15: Pressure Sensor (Inside of VSA
Modulator-control Unit) Malfunction
NOTE: Brake fluid leaks from brake system can cause
this DTC. Check for brake fluid leaks first.
1. Test-drive the vehicle.
NOTE: Drive the vehicle on a straight section of
road, not on a lift.
2. Turn the ignition switch to LOCK (0).
3. Raise the vehicle, and support it with safety stands
in the proper locations (see page 1-9).
4. Turn all four wheels by hand.
Is there brake drag?
−
YES Repair the brake drag.
NO − Go to step 5.
5. Turn the ignition switch to ON (II).
6. Check the BRAKE PRESS in the VSA DATA LIST
with the HDS while moving the brake pedal.
Does the indicated value change?
YES − Intermittent failure, the system is OK at this
time.
NO − Go to step 7.
19-108
7. 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).
8. Turn the ignition switch to LOCK (0), then turn it to
ON (II) again.
9. Check for DTCs with the HDS.
Is DT C 66-15 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.
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