Honda 2004 Odyssey Service Manual page 576

11. Measure voltage between FTP sensor 3P connector
terminals No. 2 and No. 3.
FTP SENSOR 3P CONNECTOR
SG2 (GRN/BLK)
SG2 (GRN/YEL)*
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 A29 and C18.
PCM CONNECTORS
A (32P)
FTP (LT GRN)
Wire side of female terminals
Is there about 5 V ?
YES Repair open in the wire between the FTP
sensor and the PCM (A29).
NO Substitute a known-good PCM and recheck
(see page 11-5). If normal voltage is indicated,
replace the original PCM.
FTP (LT GRN)
C (31P)
SG2 (GRN/BLK)
SG2 (GRN/YEL)*
DTC P0453 '01 Model:
High Voltage
1. Check the vacuum lines of the FTP sensor for
misrouting, leakage, breakage, and clogging.
Are the vacuum lines OK ?
YES Go to step 2.
NO Repair or replace vacuum lines as
necessary.
2. Reset the PCM (see page 11-4).
3. Remove the fuel fill cap.
4. Turn the ignition switch ON (II).
5. Monitor FTP sensor voltage with the HDS, or
measure voltage between body ground and PCM
connector terminal E28.
PCM CONNECTOR E (31P)
Wire side of female terminals
Is there about 2.5 V ?
YES Intermittent failure, system is OK at this time.
Check for poor connections or loose terminals at
the FTP sensor and the PCM.
NO Go to step 6.
FTP Sensor Circuit
FTP (LT GRN)
(cont'd)
11-267 11-267