Honda 2004 Odyssey Service Manual page 1261

ABS Components
DTC Troubleshooting (cont'd)
4. Check for continuity between the appropriate
wheel sensor ( ) circuit terminal and other wheel
sensor ( ) circuit terminals (see table).
DTC Appropriate
Terminal
12 No. 9:
FRW ( )
14 No. 7:
FLW ( )
16 No. 19:
RRW ( )
18 No. 17:
RLW ( )
Is there continuity?
YES Repair a short in the wires between the
appropriate wheel sensor and the other wheel
sensor.
NO Clear the DTC, and test-drive the vehicle. If
the ABS indicator comes on and the same DTC is
indicated, replace the ABS control unit.
19-60 19-60
Other Terminal
No. 7: No. 19: No. 17:
FLW ( ) RRW ( ) RLW ( )
No. 9: No. 19: No. 17:
FRW ( ) RRW ( ) RLW ( )
No. 9: No. 7: No. 17:
FRW ( ) FLW ( ) RLW ( )
No. 9: No. 7: No. 19:
FRW ( ) FLW ( ) RRW ( )
DTC 21, 22, 23, 24: Pulser
1. Clear the DTC (see step 1 on page 19-43).
2. Test-drive the vehicle at 19 mph (30 km/h) or more.
Does the ABS indicator come on and are DT Cs 21,
22, 23, 24 indicated?
YES Go to step 3.
NO The system is OK at this time.
3. Check the appropriate pulser gears for a chipped
tooth (see table).
DTC
21
22
23
24
Are the pulser gears OK ?
YES Check for loose terminals in the ABS control
unit connectors. If necessary, substitute a known-
good ABS control unit, and recheck.
NO Replace the driveshaft or the hub unit with the
chipped tooth on the pulser gear.
Appropriate Pulser
Right-front
Left-front
Right-rear
Left-rear