Honda Ridgeline. Manual — part 128
SJC8A00K77100090461FAAT30
−
−
−
−
DTC P0461:
YES
NO
YES
NO
11-276
Fuel Supply System
DTC Troubleshooting
Fuel Level Sensor (Fuel Gauge
Sending Unit) Range/Performance Problem
NOTE:
• Before you troubleshoot, record all freeze data and
any on-board snapshot, and review the general
troubleshooting information (see page 11-3).
• Because it requires 162 miles (260 km) of driving
without refueling to complete this diagnosis, this DTC
P0461 cannot be duplicated during this
troubleshooting.
1. Test the fuel gauge sending unit (see page 11-302).
Check for poor connections or loose
terminals at the fuel gauge sending unit and the
gauge control module.
Replace the fuel gauge sending unit (see page
11-300), then go to step 2.
2. Turn the ignition switch ON (II).
3. Reset the PCM with the HDS.
4. Do the PCM idle learn procedure (see page 11-273).
5. Check for Temporary DTCs or DTCs with the HDS.
If DTC P0461 is indicated, check for poor
connections or loose terminals at the fuel gauge
sending unit and the gauge control module, then
go to step 1. If any other Temporary DTCs or DTCs
are indicated, go to the indicated DTC’s
troubleshooting.
Troubleshooting is complete.
Is the f uel gauge sending unit OK ?
Ar e any T empor ar y DT Cs or DT Cs indicated?
01
SJC8A00K77100090462FAAT30
−
−
−
−
−
−
DTC P0462:
YES
NO
YES
NO
YES
NO
11-277
FUEL TANK UNIT 5P CONNECTOR
SIGNAL (YEL/BLK)
Fuel Level Sensor (Fuel Gauge
Sending Unit) Circuit Low Voltage
NOTE: Before you troubleshoot, record all freeze data
and any on-board snapshot, and review the general
troubleshooting information (see page 11-3).
1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS, and wait 5 seconds.
3. Check for Temporary DTCs or DTCs in the DTCs
MENU with the HDS.
Go to step 4.
Intermittent failure, the system is OK at this
time. Check for poor connections or loose terminals
at the gauge control module and the fuel gauge
sending unit.
4. Turn the ignition switch OFF.
5. Remove the rear seat (see page 20-117).
6. Remove the access panel from the floor.
7. Disconnect the fuel tank unit 5P connector.
8. Turn the ignition switch ON (II).
9. Clear the DTC with the HDS, and wait 5 seconds.
10. Check for Temporary DTCs or DTCs in the DTCs
MENU with the HDS.
Replace the fuel gauge sending unit
(see page 11-300), then go to step 22.
Go to step 11.
11. Turn the ignition switch OFF.
12. Remove the gauge control module (see page
22-263).
13. Disconnect the gauge control module 14P
connector.
14. Check for continuity between fuel tank unit 5P
connector terminal No. 2 and body ground.
Repair short in the wire between the gauge
control module (signal line) and the fuel gauge
sending unit, then go to step 23.
Go to step 15.
15. Reconnect the gauge control module 14P connector.
16. Remove the fuel tank unit (see page 11-297).
17. Connect the fuel tank unit 5P connector.
18. Turn the ignition switch ON (II).
19. Clear the DTC with the HDS.
(cont’d)
Wire side of female terminals
Is DT C P0462 indicated?
Is DT C P0463 indicated?
Is ther e continuity?
*01
−
−
−
−
−
−
YES
NO
YES
NO
YES
NO
11-278
Fuel Supply System
DTC Troubleshooting (cont’d)
E
1.2 in.
(30.1 mm)
A
20. Set the float (A) to the E position.
21. Check the fuel gauge.
Go to step 33.
Replace the gauge control module (see page
22-263), then go to step 22.
22. Turn the ignition switch OFF.
23. Install the parts in the reverse order of removal.
24. Reconnect all connectors.
25. Turn the ignition switch ON (II).
26. Reset the PCM with the HDS.
27. Do the PCM idle learn procedure (see page 11-273).
28. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at the fuel gauge sending unit and the
gauge control module, then go to step 1.
Troubleshooting is complete. If any other
Temporary DTCs or DTCs are indicated, go to the
indicated DTC’s troubleshooting.
29. Turn the ignition switch OFF.
30. Install the parts in the reverse order of removal.
31. Reconnect all connectors.
32. Turn the ignition switch ON (II).
33. Update the PCM if it does not have the latest
software (see page 11-7), or substitute a known-
good PCM (see page 11-8).
34. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at the fuel gauge sending unit and the
gauge control module. If the PCM was updated,
substitute a known-good PCM (see page 11-8), then
recheck. If the PCM was substituted, go to step 1.
If the PCM was updated, troubleshooting is
complete. If the PCM was substituted, replace the
original PCM (see page 11-205). If any other
Temporary DTCs or DTCs are indicated, go to the
indicated DTC’s troubleshooting.
Does the f uel gauge move to the empty position?
Is DT C P0462 indicated?
Is DT C P0462 indicated?
01
02
SJC8A00K77100090463FAAT30
−
−
−
−
DTC P0463:
YES
NO
YES
NO
11-279
FUEL TANK UNIT 5P CONNECTOR
GND
(BLK/WHT)
JUMPER WIRE
GAUGE CONTROL MODULE 14P CONNECTOR
GND (BLK/WHT)
Fuel Level Sensor (Fuel Gauge
Sending Unit) Circuit High Voltage
NOTE: Before you troubleshoot, record all freeze data
and any on-board snapshot, and review the general
troubleshooting information (see page 11-3).
1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS, and wait 5 seconds.
3. Check for Temporary DTCs or DTCs in the DTCs
MENU with the HDS.
Go to step 4.
Intermittent failure, the system is OK at this
time. Check for poor connections or loose terminals
at the gauge control module and the fuel gauge
sending unit.
4. Turn the ignition switch OFF.
5. Remove the rear seat (see page 20-117).
6. Remove the access panel from the floor.
7. Disconnect the fuel tank unit 5P connector.
8. Connect fuel tank unit 5P connector terminal No. 1
to body ground with a jumper wire.
9. Remove the gauge control module (see page
22-263).
10. Disconnect the gauge control module 14P
connector.
11. Check for continuity between gauge control
module 14P connector terminal No. 12 and body
ground.
Go to step 12.
Repair open in the wire between the gauge
control module (GND line) and the fuel gauge
sending unit, then go to step 24.
(cont’d)
Wire side of female terminals
Wire side of female terminals
Is DT C P0463 indicated?
Is ther e continuity?
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