Honda 2004 Odyssey Service Manual page 515

Fuel Supply System
DTC Troubleshooting (cont'd)
DTC P0462 '03-04 Models:
Sensor (Fuel Gauge Sending Unit) Circuit
Low Voltage
1. Reset the PCM (see page 11-4).
2. Start the engine.
Is DT C P0462 indicated?
YES Go to step 3.
NO Intermittent failure, system is OK at this time.
Check for poor connections or loose terminals at
the fuel gauge sending unit, the gauge assembly
and the PCM.
3. Measure voltage between PCM connector terminal
E15 and body ground.
PCM CONNECTOR E (20P)
Wire side of female terminals
Is there 0.9 V or less?
YES Go to step 4.
NO Substitute a known-good PCM and recheck
(see page 11-5). If the symptom-indication goes
away, replace the original PCM.
4. Turn the ignition switch OFF.
5. Remove the rear seats and carpet, and the access
panel from the floor.
6. Disconnect the fuel tank unit 5P connector.
11-206
Fuel Level
FSL05
(YEL/BLU)
7. Turn the ignition switch ON (II).
8. Measure voltage between PCM connector E15 and
body ground.
PCM CONNECTOR E (20P)
Wire side of female terminals
Is there battery voltage?
YES Replace the fuel gauge sending unit.
NO Go to step 9.
9. Measure voltage between gauge assembly 16P
connector terminal No. 11 and body ground.
GAUGE ASSEMBLY 16P CONNECTOR
FSL05
(YEL/BLU)
Wire side of female terminals
Is there about 5 V ?
YES Repair open in the wire between the PCM
(E15) and the gauge assembly.
NO Go to step 10.
FSL05
(YEL/BLU)