DTC B14B2: View Change Signal Failure

DTC (MVCS)

1. Problem verification

   -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
   B14B2 View change signal failure

   Is DTC B14B2 indicated?

   YES 

   Failure is duplicated. Go to step 2.

   NO 

   Intermittent failure, the system is OK at this time.

2. Multi view camera unit check

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

   - 2. Disconnect the following connector.

   Multi view camera unit connector A (20P)

   - 3. Turn the vehicle to the ON mode.

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

   Test condition	Vehicle ON mode
   	Multi view camera unit connector A (20P): disconnected
   Test point 1	Multi view camera unit connector A (20P) No. 17
   Test point 2	Body ground

   Is there 5 V?

   YES 

   Replace the multi view camera unit .

   NO 

   Go to step 3.

3. Shorted wire check (MVC VID SW line)

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

   - 2. Disconnect the following connector.

   Audio-navigation unit connector G (24P)

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

   Test condition	Vehicle OFF (LOCK) mode
   	Multi view camera unit connector A (20P): disconnected
   	Audio-navigation unit connector G (24P): disconnected
   Test point 1	Multi view camera unit connector A (20P) No. 17
   Test point 2	Body ground

   Is there continuity?

   YES 

   Repair a short to body ground in the wire between the multi view camera unit and the audio-navigation unit.

   NO 

   The MVC VID wires are not shorted to ground. Go to step 4.

4. Shorted wire check (MVC VID SW line to power)

   -1. Turn the vehicle to the ON mode.

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

   Test condition	Vehicle ON mode
   	Multi view camera unit connector A (20P): disconnected
   	Audio-navigation unit connector G (24P): disconnected
   Test point 1	Multi view camera unit connector A (20P) No. 17
   Test point 2	Body ground

   Is there about 0 V?

   YES 

   The MVC VID SW wire is OK. Go to step 5.

   NO 

   Repair a short to power in the wire between the multi view camera unit and the audio-navigation unit.

5. Open wire check (MVC VID SW 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
   	Multi view camera unit connector A (20P): disconnected
   	Audio-navigation unit connector G (24P): disconnected
   Test point 1	Multi view camera unit connector A (20P) No. 17
   Test point 2	Audio-navigation unit connector G (24P) No. 11 - Refer to: Audio-Navigation Unit Connector For Inputs And Outputs (With Auto Idle Stop System) (2015-17) or Audio-Navigation Unit Connector for Inputs and Outputs (Without Auto Idle Stop System) (2015-17) or Audio-Navigation Unit Connector for Inputs and Outputs (Undefined) (2018), or Audio-Navigation Unit Connector for Inputs and Outputs (2019)

   Is there continuity?

   YES 

   Replace the Audio-navigation unit .

   NO 

   Repair an open in the wire between the multi view camera unit and the audio-navigation unit.