Acura TSX / Honda Accord CL. Manual — part 491
Fig. 14: Checking For Continuity Between Fuel Pump 5P Connector Terminal No. 4 & Body
Ground
FUEL PRESSURE RELIEVING
Before disconnecting fuel lines or hoses, relieve pressure from the system by stopping the fuel pump and
disconnecting the fuel tube/quick connect fitting in the engine compartment.
WITH THE HDS
1. Remove the fuel fill cap.
2. Turn the ignition switch ON (II).
2004 Acura TSX
2004 ENGINES Fuel Supply System - TSX
3. From the INSPECTION MENU of the HDS, select Fuel Pump OFF, then start the engine, and let it idle
until it stalls.
4. Turn the ignition switch OFF.
5. Turn the ignition switch OFF.
6. Make sure you have the anti-theft codes for the radio, then write down the frequencies for the radio's
preset buttons.
7. Disconnect the negative cable from the battery.
8. Remove the quick-connect fitting cover (A).
NOTE:
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Do not allow the engine to idle above 1,000 RPM or the ECM/PCM will
continue to operate the fuel pump.
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A DTC or a Temporary DTC may be set during this procedure. Check
for DTCs, and clear them as needed (see GENERAL
TROUBLESHOOTING INFORMATION ).
2004 Acura TSX
2004 ENGINES Fuel Supply System - TSX
Fig. 15: Removing The Quick-Connect Fitting Cover
9. Check the fuel quick-connect fitting for dirt, and clean it if needed.
10. Place a rag or shop towel over the quick-connect fitting (A).
Fig. 16: Placing A Rag Or Shop Towel Over The Quick-Connect Fitting
11. Disconnect the quick-connect fitting (A): Hold the connector (B) with one hand, and squeeze the retainer
tabs (C) with the other hand to release them from the locking tabs (D). Pull the connector off.
NOTE:
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To prevent the remaining fuel in the fuel feed line or hose from
flowing out, use a rag or shop towel.
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Be careful not to damage the line (E) or other parts.
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Do not use tools.
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If the connector does not move, keep the retainer tabs pressed down,
2004 Acura TSX
2004 ENGINES Fuel Supply System - TSX
Fig. 17: Disconnecting The Quick-Connect Fitting
12. After disconnecting the quick-connect fitting, check it for dirt or damage (see step 4 of FUEL
LINE/QUICK-CONNECT FITTING REMOVAL ).
13. Reconnect the negative cable to the battery and do the following items:
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ECM/PCM idle learn procedure (see ECM/PCM IDLE LEARN PROCEDURE ).
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Power window control unit reset procedure (see RESETTING THE POWER WINDOW ).
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Enter the anti-theft codes for the radio and the navigation system, then enter the customer's radio
station presets.
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Reset the clock.
WITHOUT THE HDS
1. Make sure you have the anti-theft codes for the radio, and Navigation if equipped then write down the
frequencies for the radio's preset buttons.
2. Remove the left kick panel (see TRIM REMOVAL/INSTALLATION - DOOR AREA ), then remove
and alternately pull and push the connector until it comes off easily.
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Do not remove the retainer from the line; once removed, the retainer
must be replaced with a new one.
2004 Acura TSX
2004 ENGINES Fuel Supply System - TSX
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