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VSA System - ABS indicator, brake system indicator (red), VSA indicator, and brake system indicator (amber) do not go off

ABS indicator, brake system indicator (red), VSA indicator, and brake system indicator (amber) do not go off 

  1. All DTCs check

    -1. Turn the vehicle to the ON mode.

    -2. All DTCs check with the HDS.

    All DTCs

    Are there DTCs indicated?

    YES 

    Go to indicated DTC's troubleshooting.

    NO 

    Go to step 2.

  2. Fuse check 1

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Check the following fuse.

    Fuse No. B2-6

    Is the fuse OK?

    YES 

    The fuse is OK. Reinstall the fuse, then go to step 3.

    NO 

    Replace the fuse. If the fuse blows again, repair a short to ground in the No. B2-6 fuse circuit.

  3. Fuse check 2

    -1. Check the following fuse.

    Fuse No. C34

    Is the fuse OK?

    YES 

    The fuse is OK. Reinstall the fuse, then go to step 4.

    NO 

    Replace the fuse. Turn the vehicle to the ON mode, then to the OFF (LOCK) mode. If the fuse blows again, repair a short to ground in the No. C34 fuse circuit.

  4. Open wire check (IG1 VSA/ABS line)

    -1. Disconnect the following connector.

    VSA modulator-control unit 46P connector

    -2. Turn the vehicle to the ON mode.

    -3. Measure the voltage between test points 1 and 2.

    Test condition Vehicle ON mode
      VSA modulator-control unit 46P connector: disconnected
    Test point 1 VSA modulator-control unit 46P connector No. 14 
    Test point 2 Body ground

    Is there battery voltage?

    YES 

    The IG1 VSA/ABS wire is OK. Go to step 5.

    NO 

    Repair an open in the IG1 VSA/ABS wire between the No. C34 fuse and the VSA modulator-control unit.

  5. Open wire check (+B ABS/VSA FSR line)

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Measure the voltage between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
      VSA modulator-control unit 46P connector: disconnected
    Test point 1 VSA modulator-control unit 46P connector No. 1 
    Test point 2 Body ground

    Is there battery voltage?

    YES 

    The +B ABS/VSA FSR wire is OK. Go to step 6.

    NO 

    Repair an open in the +B ABS/VSA FSR wire between the under-hood fuse/relay box and the VSA modulator-control unit.

  6. Open wire check (ABS GND line)

    -1. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
      VSA modulator-control unit 46P connector: disconnected
    Test point 1 VSA modulator-control unit 46P connector No. 2 
    Test point 2 Body ground

    Is there continuity?

    YES 

    The ABS GND wire is OK. Go to step 7.

    NO 

    Repair an open in the ABS GND wire between the VSA modulator-control unit and body ground (G201).

  7. F-CAN circuit communication check

    -1. Reconnect the following connector.

    VSA modulator-control unit 46P connector

    -2. Select the FUNCTION TEST in the CAN gateway with the HDS, then select the F-CAN Bus Connected Unit Check.

    F-CAN Bus Connected Unit Check

    Which result is indicated?

    Gauge control module (Bus B) is Not Available

    Go to step 8.

    VSA modulator-control unit (Bus B) is Not Available

    Go to step 9.

    VSA modulator-control unit (Bus C) is Not Available

    Go to step 10.

    VSA modulator-control unit and gauge control module are Available

    Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting .

  8. Open wire check (F-CAN B_H, F-CAN B_L lines)

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Disconnect the following connectors.

    Gauge control module connector A (32P)
    CAN gateway 16P connector

    -3. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
      Gauge control module connector A (32P): disconnected
      CAN gateway 16P connector: disconnected
    Test circuit 1  
    Test point 1 Gauge control module connector A (32P) No. 19
    Test point 2 CAN gateway 16P connector (female terminals) No. 6:
    Test circuit 2  
    Test point 1 Gauge control module connector A (32P) No. 20
    Test point 2 CAN gateway 16P connector (female terminals) No. 14:
    GHH421309Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    The F-CAN B_H and the F-CAN B_L wires are OK. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting or substitute a known-good gauge control module , then recheck. If the symptom/indication goes away with a known-good gauge control module, replace the original gauge control module .

    NO 

    Repair an open in the F-CAN B_H and/or the F-CAN B_L wire(s) between the gauge control module and the CAN gateway.

  9. Open wire check (F-CAN B_H, F-CAN B_L lines)

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Disconnect the following connectors.

    VSA modulator-control unit 46P connector
    CAN gateway 16P connector

    -3. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
      VSA modulator-control unit 46P connector: disconnected
      CAN gateway 16P connector: disconnected
    Test circuit 1  
    Test point 1 VSA modulator-control unit 46P connector No. 46 
    Test point 2 CAN gateway 16P connector (female terminals) No. 6:
    Test circuit 2  
    Test point 1 VSA modulator-control unit 46P connector No. 34 
    Test point 2 CAN gateway 16P connector (female terminals) No. 14:
    GHH421312Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    The F-CAN B_H and the F-CAN B_L wires are OK. Check for loose terminals and poor connections in the VSA modulator-control unit 46P connector. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting. If they are OK, replace the VSA modulator-control unit .

    NO 

    Repair an open in the F-CAN B_H and/or the F-CAN B_L wire(s) between the VSA modulator-control unit and the CAN gateway.

  10. Open wire check (F-CAN C_H, F-CAN C_L lines)

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Disconnect the following connectors.

    VSA modulator-control unit 46P connector
    CAN gateway 16P connector

    -3. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
      VSA modulator-control unit 46P connector: disconnected
      CAN gateway 16P connector: disconnected
    Test circuit 1  
    Test point 1 VSA modulator-control unit 46P connector No. 40 
    Test point 2 CAN gateway 16P connector (female terminals) No. 5:
    Test circuit 2  
    Test point 1 VSA modulator-control unit 46P connector No. 28 
    Test point 2 CAN gateway 16P connector (female terminals) No. 13:
    GHH421315Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    The F-CAN C_H and the F-CAN C_L wires are OK. Check for loose terminals and poor connections in the VSA modulator-control unit 46P connector. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting. If they are OK, replace the VSA modulator-control unit .

    NO 

    Repair an open in the F-CAN C_H and/or the F-CAN C_L wire(s) between the VSA modulator-control unit and the CAN gateway.

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