Acura TSX / Honda Accord CL. Manual - part 290

 

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Acura TSX / Honda Accord CL. Manual - part 290

 

 

REPLACEMENT ).  

NO: Repair open in the indicator power source circuit, if necessary, substitute a known-good 
gauge control module, and recheck.  

3. Turn the ignition switch OFF.  

4. Release the parking brake.  

5. Turn the ignition switch ON (II). 

Does the brake system indicator come on for several seconds? 

YES: Go to step 6.  

NO: Check for loose terminals in the gauge control module connectors. If necessary, 
substitute a known-good gauge control module, and recheck.  

6. Apply the parking brake. 

Does the brake system indicator come on? 

YES: The system is OK at this time.  

NO: Go to step 7.  

7. Turn the ignition switch OFF.  

8. Disconnect the parking brake switch connector (see PARKING BRAKE SWITCH ).  

9. Turn the ignition switch ON (II).  

10. Measure the voltage between the parking brake switch connector terminal and body ground. 

Is there battery voltage? 

YES: Replace the parking brake switch (see PARKING BRAKE SWITCH ).  

NO: Go to step 11.  

11. Turn the ignition switch OFF.  

12. Remove the gauge control module (see page GAUGE CONTROL MODULE REPLACEMENT ).  

13. Connect gauge control module connector A (22P) terminal No. 4 and body ground with a jumper wire. 

 

2004 Acura TSX 

2004 BRAKES Vehicle Stability Assist System - TSX

  

 

Fig. 68: Connecting Gauge Control Module Connector A (22P) Terminal No. 4 & Body Ground 
With A Jumper Wire
 

14. Turn the ignition switch ON (II). 

Does the brake system indicator come on and stay on? 

YES: Repair open in the wire between the gauge control module, and the parking brake 
switch.  

NO: Replace the gauge control module (see page GAUGE CONTROL MODULE 
REPLACEMENT
 ).  

BRAKE SYSTEM INDICATOR DOES NOT GO OFF 

1. Turn the ignition switch ON (II).  

2. Release the parking brake. 

Does the brake system indicator go off after several seconds? 

YES: The system is OK at this time.  

NO: Go to step 3.  

3. Check the brake fluid level (see BLEEDING BRAKE SYSTEM ). 

Is the level OK? 

 

2004 Acura TSX 

2004 BRAKES Vehicle Stability Assist System - TSX

  

 

YES: Go to step 4.  

NO: Refill the brake fluid, and recheck.  

4. Check the ABS indicator. 

Does the ABS indicator stay on? 

YES: Read the DTC (see General Troubleshooting Information ), and do the applicable 
troubleshooting for the DTC.  

NO: Check the brake system indicator circuit: 

z

Short to body ground between the gauge control module and the parking brake switch. 

z

Short to body ground between the gauge control module and the brake fluid level 
switch.  

z

Parking brake switch stuck ON.  

z

Brake fluid level switch stuck ON.  

z

Faulty gauge control module.  

VSA INDICATOR CIRCUIT TROUBLESHOOTING 

VSA INDICATOR DOES NOT COME ON 

1. Turn the ignition switch ON (II), and watch the VSA indicator. 

Does the VSA indicator come on for several seconds? 

YES: The system is OK at this time.  

NO: Go to step 2.  

2. Apply the parking brake. 

Does the brake system indicator come on? 

YES: Go to step 3.  

NO: Repair open in the indicator power source circuit.  

3. Turn the ignition switch OFF.  

4. Substitute a known-good VSA modulator-control unit (see VSA MODULATOR-CONTROL UNIT 

REMOVAL & INSTALLATION ).  

5. Turn the ignition switch ON (II). 

Does the VSA indicator come on? 

YES: Replace the VSA modulator-control unit (see VSA MODULATOR-CONTROL 
UNIT REMOVAL & INSTALLATION
 ).  

NO: Do the troubleshooting for the gauge control module (see SELF-DIAGNOSTIC 
PROCEDURE
 ).  

VSA INDICATOR DOES NOT GO OFF & NO DTCS ARE STORED 

1. Check the No. 18 (40A) fuse in the under-hood fuse/relay box. 

Is the fuse OK? 

 

2004 Acura TSX 

2004 BRAKES Vehicle Stability Assist System - TSX

  

 

YES: Reinstall the fuse, and go to step 2.  

NO: Replace the fuse, and recheck. If the fuse is blown, check for a short to body ground in 
this fuse circuit. If the circuit is OK, replace the VSA modulator-control unit (see VSA 
MODULATOR-CONTROL UNIT REMOVAL & INSTALLATION
 ).  

2. Check the No. 18 (15A) fuse in the under-dash fuse/relay box. 

Is the fuse OK? 

YES: Reinstall the fuse, and go to step 3.  

NO: Replace the fuse, and recheck. If the fuse is blown, check for a short to body ground in 
this fuse circuit. If the circuit is OK, replace the VSA modulator-control unit (see VSA 
MODULATOR-CONTROL UNIT REMOVAL & INSTALLATION
 ).  

3. Turn the ignition switch OFF.  

4. Disconnect the VSA control unit 47P connector.  

5. Measure the voltage between the VSA control unit 47P connector terminal No. 1 and body ground. 

Is there battery voltage? 

YES: Go to step 6.  

NO: Repair open in the wire between the No. 18 (40A) fuse and the VSA control unit.  

Fig. 69: Measuring The Voltage Between The VSA Control Unit 47P Connector Terminal No. 

 

2004 Acura TSX 

2004 BRAKES Vehicle Stability Assist System - TSX

  

 

 

 

 

 

 

 

 

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