DTC B14A8: Left Side Camera Image Input Failure

DTC (MVCS)

NOTE:  If DTC B14AF is stored at the same time as DTC B14A8, troubleshoot DTC B14AF first, then recheck for DTC B14A8.

1. DTC check

   -1. Turn the vehicle to the ON mode.

   - 2. Clear the DTC with the HDS.

   - 3. Turn the vehicle to the OFF (LOCK) mode, then the ON mode.

   - 4. Check for DTCs with the HDS.

   DTC Description	DTC	Freeze Frame
   B14A8 Left Side Camera Image Input Failure

   Is DTC B14A8 indicated?

   YES 

   Go to step 2.

   NO 

   Intermittent failure, the system is OK at this time.

2. Open wire check (L CAM VCC, L CAM GND, L CAM VID, L CAM SH lines)

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

   - 2. Disconnect the following connectors.

   Left side camera 4P connector

   Multi view camera unit connector B (24P)

   - 3. Check for continuity between the left side camera 4P connector terminal and the multi view camera unit connector B (24P) terminal (see table).

   Test condition	Vehicle OFF (LOCK) mode
   	Left side camera 4P connector: disconnected
   	Multi view camera unit connector B (24P): disconnected

   Test Circuit	Left Side Camera 4P Connector Terminal:	Multi View Camera Unit Connector B (24P) Terminal
   L CAM VCC	No. 1	No. 8
   L CAM GND	No. 2	No. 20
   L CAM VID	No. 3	No. 7
   L CAM SH	No. 4	No. 19

   Courtesy of HONDA, U.S.A., INC.

   Is there continuity?

   YES 

   Go to step 3.

   NO 

   Repair an open in the wire between the left side camera and the multi view camera unit.

3. Multi view camera unit check

   -1. Reconnect the following connector.

   Multi view camera unit connector B (24P)

   - 2. Turn the vehicle to the ON mode.

   - 3. Measure the voltage between test points 1 and 2 without disconnecting the multi view camera unit connector B (24P).

   Test condition	ON mode
   	Left side camera 4P connector: disconnected
   Test point 1	Multi view camera unit connector B (24P) No. 8
   Test point 2	Body ground

   Is there 5.7-6.5 V?

   YES 

   Go to step 4.

   NO 

   Replace the multi view camera unit .

4. Shorted wire check (L CAM VCC line) 1

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

   Test condition	ON mode
   	Left side camera 4P connector: disconnected
   Test point 1	Left side camera 4P connector No. 1:
   Test point 2	Body ground

   Courtesy of HONDA, U.S.A., INC.

   Is there 5.7-6.5 V?

   YES 

   Go to step 5.

   NO 

   Repair a short in the wire between the left side camera and the multi view camera unit.

5. Shorted wire check (L CAM VID line) 1

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

   - 2. Disconnect the following connector.

   Multi view camera unit connector B (24P)

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

   Test condition	Vehicle OFF (LOCK) mode
   	Left side camera 4P connector: disconnected
   	Multi view camera unit connector B (24P): disconnected
   Test point 1	Multi view camera unit connector B (24P) No. 7
   Test point 2	Multi view camera unit connector B (24P) No. 19

   Is there continuity?

   YES 

   Repair a short in the wires between the left side camera and the multi view camera unit.

   NO 

   Go to step 6.

6. Shorted wire check (L CAM VID line) 2

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

   Test condition	Vehicle OFF (LOCK) mode
   	Left side camera 4P connector: disconnected
   	Multi view camera unit connector B (24P): disconnected

   Test circuits	Multi View Camera Unit Connector B (24P) Terminal
   	Test point 1	Test points 2
   L CAM VID to FR CAM VID, FR CAM VCC, RR CAM VID, RR CAM VCC, R CAM VID, L CAM VCC, MVC VID	No. 7	No. 1, No. 2, No. 3, No. 4, No. 5, No. 6, No. 8, No. 10

   Is there continuity?

   YES 

   Repair a short in the wires between the appropriate camera and the multi view camera unit.

   NO 

   Go to step 7.

7. Left side camera check

   -1. Reconnect the following connectors.

   Left side camera 4P connector

   Multi view camera unit B 24P connector

   - 2. Turn the vehicle to the ON mode.

   - 3. Connect terminals A and B with a jumper wire.

   NOTE:  Check the DTC B14A9 is not stored with the HDS.

   Terminal A	Multi view camera unit connector B (24P) No. 5
   Terminal B	Multi view camera unit connector B (24P) No. 7

   Does the right side camera image appear at the left side camera image on the display?

   YES 

   Replace the Left side camera - Refer to: Multi View Front Camera Removal and Installation or Multi View Side Camera Removal and Installation .

   NO 

   Replace the multi view camera unit .