Honda 2004 Odyssey Service Manual page 1323

ABS/TCS Components
DTC Troubleshooting (cont'd)
7. Measure the voltage between terminal No. 1 and
body ground.
MODULATOR UNIT CONNECTOR
Terminal side of female terminals
Is there about 10 V ?
YES Go to step 8.
NO Repair open in the wire between the under-
hood ABS relay box and the pump motor.
8. Measure the voltage between the modulator unit
connector terminal No. 1 and No. 16.
MODULATOR UNIT CONNECTOR
Terminal side of female terminals
Is there about 10 V ?
YES Go to step 9.
NO Repair open in the wire between the pump
motor and body ground (G302).
9. Remove the pump motor relay, then connect relay
terminals No. 4 and No. 5 together with a jumper
wire.
Does the pump motor run?
YES Go to step 10.
NO Replace the pump motor.
19-122
MOTOR (WHT/BLU)
MOTOR (WHT/BLU)
MOTOR GND (BLK)
10. Disconnect the ABS/TCS control unit connector B
(16P).
11. Check for continuity between terminal No. 15 and
body ground.
ABS/TCS CONTROL UNIT CONNECTOR B (16P)
PMR (YEL/RED)
Wire side of female terminals
Is there continuity?
YES Repair short to body ground in the wire
between the ABS relay box and the ABS/TCS
control unit.
NO If the problem recurs, replace the ABS/TCS
control unit.
12. Disconnect the ABS/TCS control unit connector B
(16P).
13. Check for continuity between terminal No. 15 and
body ground.
ABS/TCS CONTROL UNIT CONNECTOR B (16P)
PMR (YEL/RED)
Wire side of female terminals
Is there continuity?
YES Repair short to body ground in the wire
between the under-hood ABS relay box and the
ABS/TCS control unit.
NO Replace the pump motor relay (The pump
motor relay is stuck ON).