2006 ACURA CSX Service Repair Manual

turn signal coolant reservoir dashboard engine oil steering wheel adjustment wiring diagram

Page 641 of 2893

ACURA CSX 2006 Service Repair Manual (#

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DTC P0461: DTC P0462:
YES
NO
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NO YES
NO
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NO
11-31311-313
DTC

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DTC P0461: DTC P0462:
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11-31311-313
DTC Troubleshooting
Fuel Level Sensor (Fuel Gauge
Sending Unit) Circuit Range/Performance
Problem 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).
Because it requires 260 km (162 miles) of driving without refueling to complete this diagnosis, DTC
P0461 cannot be duplicated during this
troubleshooting.
1. Test the fuel gauge sending unit (see page 11-340).
Check for poor connections or loose
terminals at the fuel gauge sending unit and the
gauge control module (tach).
Replace the fuel gauge sending unit (see page
11-338), then go to step 2.
2. Turn the ignition switch to ON (II).
3. Reset the ECM/PCM with the HDS.
4. Do the ECM/PCM idle learn procedure (see page 11-310).
5. Check for Temporary DTCs or DTCs with the HDS.
Go to the indicated DTC’s troubleshooting.
Troubleshooting is complete. 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 to ON (II).
2. Clear the DTC with the HDS, and wait 5 seconds.
3. Check for Temporary DTCs or DTCs 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 (tach) and the fuel
gauge sending unit.
4. Turn the ignition switch to LOCK (0).
5. Remove the rear seat cushion (see page 20-131).
6. Remove the rear floor upper cross-member and the access panel from the floor (see page 11-334).
7. Disconnect the fuel tank unit 4P connector.
8. Turn the ignition switch to ON (II).
9. Clear the DTC with the HDS, and wait 5 seconds.
10. Check for Temporary DTCs or DTCs with the HDS.
Replace the fuel gauge sending unit
(see page 11-338), then go to step 22.
Go to step 11.
11. Turn the ignition switch to LOCK (0).
12. Remove the gauge control module (tach) (see page 22-277).
13. Disconnect the gauge control module (tach) 36P connector.
(cont’d)
I s t he f uel gauge send i ng uni t OK ?
Ar e any T empor ar y DT Cs or DT Cs i nd i cat ed ? Is DTC P0462 indicated?
Is DTC P0463 indicated?
08/08/21 14:29:43 61SNR030_110_0313
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Page 642 of 2893

ACURA CSX 2006 Service Repair Manual
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11-314Fuel Supply System
DTC Troubleshooting (cont’d)
FUEL TANK UNIT 4P CONNECTOR
SIGNAL
(ORN)
E
8.9 mm
(0.35 in.)
A
14. Check for continuity

Page 643 of 2893

ACURA CSX 2006 Service Repair Manual
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DTC P0463:
11-31511-315
FUEL TANK UNIT 4P CONNECTOR
GND
(LT GRN)
JUMPER WIRE
29. Reconnect all connectors.
30. Ins

Page 644 of 2893

ACURA CSX 2006 Service Repair Manual

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11-316Fuel Supply System
DTC Troubleshooting (cont’d)
GND (ORN)
GAUGE CONTROL MODULE (TACH) 36P CONNECTOR FUEL TANK UNIT 4P CONNECTOR
SIGNAL
(ORN)
JUMPER

Page 645 of 2893

ACURA CSX 2006 Service Repair Manual Î
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11-317
A
F
139.8 mm
(5.5 in.)
14. Remove the jumper wire from the fuel tank unit 4Pconnector.
15. Remove the fuel tank unit (see page

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11-317
A
F
139.8 mm
(5.5 in.)
14. Remove the jumper wire from the fuel tank unit 4Pconnector.
15. Remove the fuel tank unit (see page 11-334).
16. Test the fuel gauge sending unit (see page 11-340).
Go to step 17.
Replace the fuel gauge sending unit (see page
11-338), then go to step 23.
17. Connect the fuel tank unit 4P connector.
18. Reconnect the gauge control module (tach) 36P connector.
19. Turn the ignition switch to ON (II).
20. Clear the DTC with the HDS.
21. Set the float (A) to the F position.
22. Check the fuel gauge.
Go to step 30.
Replace the gauge control module (tach)
(see page 22-277), then go to step 23. 23. Turn the ignition switch to LOCK (0).
24. Reconnect all connectors.
25. Install the parts in the reverse order of removal.
26. Turn the ignition switch to ON (II).
27. Reset the ECM/PCM with the HDS.
28. Do the ECM/PCM idle learn procedure (see page
11-310).
29. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at the gauge control module (tach) and
the fuel gauge sending unit, then go to step 1.
Troubleshooting is complete. If any other
Temporary DTCs or DTCs are indicated, go to the
indicated DTC’s troubleshooting.
30. Reconnect all connectors.
31. Install the parts in the reverse order of removal.
32. Update the ECM/PCM if it does not have the latest software (see page 11-227), or substitute a known-
good ECM/PCM (see page 11-7).
33. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at the gauge control module (tach) and
the fuel gauge sending unit. If the ECM/PCM was
updated, substitute a known-good ECM/PCM
(see page 11-7), then recheck. If the ECM/PCM was
substituted, go to step 1.
If the ECM/PCM was updated, troubleshooting
is complete. If the ECM/PCM was substituted,
replace the original ECM/PCM (see page 11-228). If
any other Temporary DTCs or DTCs are indicated,
go to the indicated DTC’s troubleshooting.
I s t he f uel gauge send i ng uni t OK ?
Does t he gauge mov e t o t he f ul l posi t i on? Is DTC P0463 indicated?
Is DTC P0463 indicated?
08/08/21 14:29:44 61SNR030_110_0317
ProCarManuals.com
DYNOMITE -2009-

Page 646 of 2893

ACURA CSX 2006 Service Repair Manual Î

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11-318 Fuel Supply System
Fuel Pump Circuit Troubleshooting
A
PGM-FI MAIN RELAY 2 (FUEL PUMP) 4P CONNECTOR IGP U

Page 647 of 2893

ACURA CSX 2006 Service Repair Manual

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11-319
PGM-FI MAIN RELAY 2 (FUEL PUMP) 4P CONNECTORIG1 PGM-FI MAIN RELAY 2 (FUEL PUMP) 4P CONNECTOR
IMOFPRJUMPER WIRE
IMOFPR (BRN)
ECM/PCM CO

Page 648 of 2893

ACURA CSX 2006 Service Repair Manual

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11-320Fuel Supply System
Fuel Pump Circuit Troubleshooting (cont’d)
MRLY (GRN)
JUMPER WIRE
ECM/PCM CONNECTOR A (44P)
IMOFPR (BRN)
ECM/

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