LEMON Manuals: Even more car manuals for everyone
Home >> Acura >> 2017 >> MDX Base >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Gauge Control System - Diagnostics (Except Hybrid) >> Troubleshooting >> DTC B1196

DTC B1196

DTC B1196  : Gauge control module lost communication with Battery Blower (LIN bus connected)

DTC Description DTC
B1196 Gauge control module lost communication with Battery Blower (LIN bus connected)  

DTC (Gauge Control Module)

NOTE:

If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A - Refer to:


Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode A - Initial Communication and DTC Checks (2014 2015 2016) or
Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode A - Initial Communication and DTC Checks (2017 2018 2019 2020)
  1. Problem verification

    - 1. Clear the DTCs with the HDS.

    - 2. Turn the vehicle to the OFF (LOCK) mode and then the ON mode.

    - 3. Wait for at least 4 seconds.

    - 4. Check for DTCs with the HDS.

    DTC Description DTC
    B1192 Gauge control module lost communication with Battery sensor ECU (LIN bus connected)  
    B1193 Gauge control module lost communication with Steering Switch (LIN bus connected)  
    B1196 Gauge control module lost communication with Battery Blower (LIN bus connected)  

    Is DTC B1196 indicated?

    YES: B1196 indicated

    Go to step 2.

    YES: B1192, B1193, and B1196 indicated

    Go to step 6.

    NO 

    Intermittent failure, the system is OK at this time. Check for loose or poor connections.

  2. Fuse check

    - 1. Check the following fuse.

    Fuse No. E21 (7.5 A)
    Location Passenger's under-dash fuse/relay box

    Is the fuse OK?

    YES 

    Go to step 3.

    NO 

    Replace the fuse. If the fuse blows again, repair a short to ground in the No. E21 (7.5 A) fuse circuit.

  3. Open wire check (IG1 OPTION line)

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

    - 2. Disconnect the following connector.

    Battery fan motor 3P connector

    - 3. Turn the vehicle to the ON mode.

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

    Test condition Vehicle ON mode
    Battery fan motor 3P connector: disconnected
    Test point 1 Battery fan motor 3P connector (male terminals) No. 3:
    Test point 2 Body ground
    GHH321666Courtesy of HONDA, U.S.A., INC.

    Is there battery voltage?

    YES 

    The IG1 OPTION wire is OK. Go to step 4.

    NO 

    Repair an open or high resistance in the wire.

  4. Open wire check (BATT FAN GND line)

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

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

    Test condition Vehicle OFF (LOCK) mode
    Battery fan motor 3P connector: disconnected
    Test point 1 Battery fan motor 3P connector (male terminals) No. 1:
    Test point 2 Body ground
    GHH321668Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    The BATT FAN GND wire is OK. Go to step 5.

    NO 

    Repair an open or high resistance in the ground wire or poor ground (G402).

  5. Open wire check (LIN (METER) line)

    - 1. Disconnect the following connector.

    Gauge control module connector A (32P)

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

    Test condition Vehicle OFF (LOCK) mode
    Gauge control module connector A (32P): disconnected
    Battery fan motor 3P connector: disconnected
    Test point 1 Gauge control module connector A (32P) No. 24 - Refer to:
    Gauge Control Module Input Test (2014 2015), or
    Gauge Control Module Input Test (2016), or
    Gauge Control Module Input Test (2017 2018 2019 2020)
    Test point 2 Battery fan motor 3P connector (male terminals) No. 2:
    GHH321670Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    Replace the battery fan motor .

    NO 

    An open or poor connection in the LIN (METER) wire.

  6. Shorted wire check (LIN (METER) line)

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

    - 2. Disconnect the following connectors.

    Battery sensor 2P connector
    Battery fan motor 3P connector
    Gauge control module connector A (32P)
    Without navigation: Audio remote-HFL switch 16P connector
    With navigation: Audio remote/HFL-navigation voice control switch 16P connector

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

    Test condition Vehicle OFF (LOCK) mode
    Battery sensor 2P connector: disconnected
    Battery fan motor 3P connector: disconnected
    Gauge control module connector A (32P): disconnected
    Without navigation: Audio remote-HFL switch 16P connector: disconnected
    With navigation: Audio remote/HFL-navigation voice control switch 16P connector: disconnected
    Test point 1 Battery fan motor 3P connector (male terminals) No. 2:
    Test point 2 Body ground
    GHH321672Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    Repair a short to ground in the LIN (METER) wire.

    NO 

    The LIN (METER) wire is not shorted. Go to step 7.

  7. Open wire check (LIN (METER) line)

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

    Test condition Vehicle OFF (LOCK) mode
    Battery sensor 2P connector: disconnected
    Battery fan motor 3P connector: disconnected
    Gauge control module connector A (32P): disconnected
    Without navigation: Audio remote-HFL switch 16P connector: disconnected
    With navigation: Audio remote/HFL-navigation voice control switch 16P connector: disconnected
    Test point 1 Gauge control module connector A (32P) No. 24 - Refer to:
    Gauge Control Module Input Test (2014 2015), or
    Gauge Control Module Input Test (2016), or
    Gauge Control Module Input Test (2017 2018 2019 2020)
    Test point 2 Battery fan motor 3P connector (male terminals) No. 2:
    GHH321674Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    Replace the gauge control module .

    NO 

    An open or poor connection in the LIN (METER) wire.

scientia non olet · About LEMON Manuals