Honda 2004 Odyssey Service Manual page 1321

ABS/TCS Components
DTC Troubleshooting (cont'd)
6. Connect pump motor relay connector terminal
No. 4 to No. 5 with a jumper wire for a moment,
and check the fuse.
PUMP MOTOR RELAY CONNECTOR
B (WHT)
JUMPER WIRE
Terminal side of female terminals
Is the f use blown?
YES Check for a short to body ground in the MCK
circuit.
NO Go to step 7.
7. Check the pump motor relay in the under-hood
ABS relay box (see page 22-88).
Is the relay OK ?
YES Go to step 8.
NO Replace the pump motor relay.
8. Connect the pump motor relay connector terminal
No. 4 to No. 5 with a jumper wire for a moment.
Does the pump motor operate?
YES Go to step 13.
NO Go to step 9.
9. Disconnect the modulator unit connector.
10. Connect pump motor relay connector terminal
No. 4 to No. 5 with a jumper wire.
19-120
MOTOR (WHT/BLU)
11. Measure the voltage between modulator unit
connector terminal No. 1 and body ground.
MODULATOR UNIT CONNNECTOR
Terminal side of female terminals
Is there battery voltage?
YES Go to step 12.
NO Repair open in the wire between the under-
hood ABS relay box and pump motor.
12. Measure the voltage between modulator unit
connector terminal No. 1 and No. 16.
MODULATOR UNIT CONNNECTOR
Terminal side of female terminals
Is there battery voltage?
YES Replace the modulator unit.
NO Repair open in the wire between the pump
motor and body ground (G303).
13. Disconnect ABS/TCS control unit connector B (16P).
14. Connect pump motor relay connector terminal
No. 1 to No. 5 with a jumper wire.
PUMP MOTOR RELAY CONNNECTOR
JUMPER WIRE
B (WHT)
Terminal side of female terminals
MOTOR (WHT/BLU)
MOTOR (WHT/BLU)
MOTOR GND (BLK)
PMR (YEL/RED)