Honda 2004 Odyssey Service Manual page 577

EVAP System
DTC Troubleshooting (cont'd)
6. Turn the ignition switch OFF.
7. Reinstall the fuel fill cap.
8. Disconnect the FTP sensor 3P connector.
9. Turn the ignition switch ON (II).
10. Measure voltage between FTP sensor 3P connector
terminals No. 1 and No. 2.
FTP SENSOR 3P CONNECTOR
VCC3 (YEL/BLU)
Wire side of female terminals
Is there about 5 V ?
YES Go to step 11.
NO Repair open in the wire between the FTP
sensor and the PCM (E7).
11-268
SG3 (GRN/BLK)
11. Measure voltage between FTP sensor 3P connector
terminals No. 2 and No. 3.
FTP SENSOR 3P CONNECTOR
SG3 (GRN/BLK)
Wire side of female terminals
Is there about 5 V ?
YES Replace the FTP sensor.
NO Go to step 12.
12. Measure voltage between PCM connector
terminals E7 and E28.
PCM CONNECTOR E (31P)
Wire side of female terminals
Is there about 5 V ?
YES Repair open in the wire between the FTP
sensor and the PCM (E28).
NO Substitute a known-good PCM and recheck
(see page 11-5). If normal voltage is indicated,
replace the original PCM.
FTP (LT GRN)
SG3 (GRN/BLK)
FTP (LT GRN)