Acura RL. Manual - part 542

YES - Go to step 6. 

NO - Repair the faulty input, then recheck for DTCs. 

6. Substitute a known-good gauge control module.  

7. Clear the DTCs with the HDS.  

8. Turn the ignition switch OFF, and then back ON (II).  

9. Check for DTCs with the HDS. 

Is DTC B1173 indicated?  

YES - Substitute a known-good TPMS control unit, and recheck. 

NO - The original gauge control module is faulty; replace it (see GAUGE CONTROL MODULE 
REPLACEMENT ). 

DTC B1175: FUEL LEVEL SENSOR (FUEL GAUGE SENDING UNIT) CIRCUIT OPEN 

1. Clear the DTCs with the HDS.  

2. Turn the ignition switch OFF, and then back ON (II).  

3. Wait for 30 seconds or more.  

4. Check for DTCs with the HDS. 

Is DTC B1175 indicated?  

YES - Go to the gauge control module input test (see GAUGE CONTROL MODULE INPUT 
TEST ). 

NO - Intermittent failure, the gauge control module is OK at this time. Check for loose or poor 
connections. 

5. Do the fuel gauge sending unit test (see FUEL GAUGE SENDING UNIT TEST ). 

Is the fuel gauge sending unit OK?  

YES - Go to step 6. 

NO - Replace the fuel gauge sending unit. 

6. Turn the ignition switch OFF.  

7. Disconnect the fuel pump 5P connector (see FUEL GAUGE SENDING UNIT TEST ).  

8. Disconnect gauge control module connector A (20P).  

9. Connect fuel pump 5P connector terminal No. 2 to body ground with a jumper wire. 

NOTE:

If you are troubleshooting multiple DTCs, be sure to follow the instructions 
in B-CAN System Diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN 
SYSTEM DIAGNOSIS TEST MODE A ).

 

2007 Acura RL 

2005-08 ACCESSORIES AND EQUIPMENT Gauges - RL

  

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Friday, June 05, 2009 3:33:40 PM

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© 2005 Mitchell Repair Information Company, LLC. 

Fig. 18: Connecting Fuel Pump 5P Connector Terminal No. 2 To Body Ground With Jumper 
Wire 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

10. Check for continuity between gauge control module connector A (20P) terminal No. 19 and body 

ground. 

Fig. 19: Checking Continuity Between Gauge Control Module Connector A (20P) Terminal No. 
19 And Body Ground 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there continuity?  

YES - Go to step 11. 

NO - Repair an open in the wire. 

11. Disconnect the secondary fuel gauge sending unit 5P connector (see FUEL GAUGE SENDING 

UNIT TEST ).  

12. Connect secondary fuel gauge sending unit 5P connector terminal No. 1 to body ground with a jumper 

wire. 

 

2007 Acura RL 

2005-08 ACCESSORIES AND EQUIPMENT Gauges - RL

  

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© 2005 Mitchell Repair Information Company, LLC. 

Fig. 20: Connecting Secondary Fuel Gauge Sending Unit 5P Connector Terminal No. 1 To Body 
Ground With Jumper Wire 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

13. Check for continuity between gauge control module connector A (20P) terminal No. 18 and body 

ground. 

Fig. 21: Checking Continuity Between Gauge Control Module Connector A (20P) Terminal No. 
18 And Body Ground 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there continuity?  

YES - Go to step 14. 

NO - Repair an open in the wire. 

14. Check for continuity between fuel tank unit 5P connector terminal No. 1 and secondary fuel gauge 

sending unit 5P connector terminal No. 2. 

 

2007 Acura RL 

2005-08 ACCESSORIES AND EQUIPMENT Gauges - RL

  

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© 2005 Mitchell Repair Information Company, LLC. 

Fig. 22: Checking Continuity Between Terminal No. 1 And Secondary Fuel Gauge Sending Unit 
5P Connector Terminal No. 2 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there continuity?  

YES - Replace the gauge control module (see GAUGE CONTROL MODULE 
REPLACEMENT ). 

NO - Repair an open in the wire. 

DTC B1176: FUEL LEVEL SENSOR (FUEL GAUGE SENDING UNIT) CIRCUIT SHORT 

1. Clear the DTCs with the HDS.  

2. Turn the ignition switch OFF, and then back ON (II).  

3. Wait for 30 seconds or more.  

4. Check for DTCs with the HDS. 

Is DTC B1176 indicated?  

YES - Go to the gauge control module input test (see GAUGE CONTROL MODULE INPUT 
TEST ). 

NO - Intermittent failure, the gauge control system is OK at this time. Check for loose or poor 
connections. 

5. Test the fuel gauge sending unit (see FUEL GAUGE SENDING UNIT TEST ). 

Is the fuel gauge sending unit OK?  

YES - Go to step 6. 

NO - Replace the fuel gauge sending unit.

NOTE:

If you are troubleshooting multiple DTCs, be sure to follow the instructions 
in B-CAN System Diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN 
SYSTEM DIAGNOSIS TEST MODE A ).

 

2007 Acura RL 

2005-08 ACCESSORIES AND EQUIPMENT Gauges - RL

  

me 

 

Friday, June 05, 2009 3:33:40 PM

Page 22 

© 2005 Mitchell Repair Information Company, LLC.