DTC 21, 22, 23, 24: Magnetic Encoder Malfunction

WARNING: This page is about a different car, the 2011 Honda Insight and 2010 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.

Turn the ignition switch to ON (II).
Clear the DTC with the HDS.
Turn the ignition switch to LOCK (0).
Test-drive the vehicle at 19 mph (30 km/h) or more.
NOTE: Drive the vehicle on the road, not on a lift.
Check for DTCs with the HDS.
Is DTC 21, 22, 23, or 24 indicated?

YES -Go to step 6.

NO -The system is OK at this time.

Inspect the appropriate magnetic encoder for damage, debris, and correct installation.

DTC CHART

DTC	Appropriate Magnetic Encoder	Note
21	Right-front	Remove the driveshaft outboard joint from the appropriate wheel hub (see KNUCKLE/HUB/WHEEL BEARING REPLACEMENT ).
22	Left-front
23	Right-rear	Remove the hub bearing unit (see HUB BEARING UNIT REPLACEMENT ).
24	Left-rear

Is the magnetic encoder OK?

YES -Check for loose terminals in the ABS modulator-control unit 47P connector. If necessary, substitute a known-good ABS modulator-control unit (see ABS MODULATOR-CONTROL UNIT REMOVAL AND INSTALLATION ), and retest.

NO -Remove the debris from the magnetic encoder, or replace the wheel bearing (front) or the hub bearing unit (rear):

Front: Replace the front wheel bearing (seeKNUCKLE/HUB/WHEEL BEARING REPLACEMENT ).
Rear: Replace the rear hub bearing unit (seeHUB BEARING UNIT REPLACEMENT ).