Navigation System Symptom Troubleshooting - Rearview camera image does not come on or work properly (2013-15)

Rearview camera image does not come on or work properly 

1. Problem verification:

   Press the engine start/stop button to select the ON mode.

   - 2. Move the shift lever to R.

   Does the navigation display image change when the shift lever is in R?

   YES 

   Intermittent failure, the system is OK at this time.

   YES 

   Go to step 3.

   NO 

   The failure is duplicated, go to step 2.

2. Open wire check (BACK LT line):

   Move the shift lever to P or N.

   - 2. Press the engine start/stop button to select the OFF mode.

   - 3. Disconnect the following connector.

   Navigation display unit 36P connector

   - 4. Press the engine start/stop button to select the ON mode.

   - 5. Move the shift lever to R.

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

   Test condition	ON mode
   	Navigation display unit 36P connector: disconnected
   Test circuit	BACK LT
   Test point 1	Navigation display unit 36P connector No. 20 (GRY)
   Test point 2	Body ground

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

   Is there battery voltage?

   YES 

   Replace the navigation display unit .

   NO 

   Repair an open in the wire between the navigation display unit and the under-dash fuse/relay box.

3. DTC check:

   Move the shift lever to P or N.

   - 2. Check for hard error codes .

   Are there any navigation DTCs indicated?

   YES 

   Go to indicated DTC's troubleshooting.

   NO 

   Go to step 4.

4. Open wire check (CAMERA lines):

   Move the shift lever to P or N.

   - 2. Press the engine start/stop button to select the OFF mode.

   - 3. Disconnect the following connectors.

   Navigation display unit 36P connector

   Rearview camera 12P connector

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

   Test condition	OFF mode
   	Navigation display unit 36P connector: disconnected
   	Rearview camera 12P connector: disconnected

   Test circuit	Test point 1:Navigation display unit 36P connector	Test point 2:Rearview camera 12P connector
   CAMERA V	No. 15 (WHT)	No. 9 (GRN)
   CAMERA V GND	No. 16 (RED)	No. 7 (RED)
   CAMERA VCC	No. 34 (BLK)	No. 4 (BLK)
   CAMERA GND	No. 35 (GRN)	No. 6 (WHT)

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

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

   Is there continuity?

   YES 

   The CAMERA wires are not open. Go to step 5.

   NO 

   There is an open in the wire(s) between the navigation display unit and the rearview camera. Replace the affected shielded harness.

5. Shorted wire check (CAMERA lines) 1:

   Check for continuity between test points 1 and 2.

   Test condition	OFF mode
   	Navigation display unit 36P connector: disconnected
   	Rearview camera 12P connector: disconnected

   Test circuits	Connector: Navigation display unit 36P connector
   Test point 1	Test points 2
   CAMERA V to CAMERA V GND, SH CAMERA, CAMERA VCC, CAMERA GND	No. 15 (WHT)	No. 16 (RED), No. 33 (GRY), No. 34 (BLK), No. 35 (GRN)
   CAMERA V GND to SH CAMERA, CAMERA VCC, CAMERA GND	No. 16 (RED)	No. 33 (GRY), No. 34 (BLK), No. 35 (GRN)
   SH CAMERA to CAMERA VCC, CAMERA GND	No. 33 (GRY)	No. 34 (BLK), No. 35 (GRN)
   CAMERA VCC to CAMERA GND	No. 34 (BLK)	No. 35 (GRN)

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

   Is there continuity between any of the terminals?

   YES 

   There is a short in the wires between the navigation display unit and the rearview camera. Replace the affected shielded harness.

   NO 

   The CAMERA wires are not shorted in the wires. Go to step 6.

6. Shorted wire check (CAMERA lines) 2:

   Check for continuity between these test points and body ground individually.

   Test condition	OFF mode
   	Navigation display unit 36P connector: disconnected
   	Rearview camera 12P connector: disconnected

   Connector	Test circuit	Terminal
   Navigation display unit 36P connector	CAMERA V	No. 15 (WHT)
   	CAMERA V GND	No. 16 (RED)
   	CAMERA VCC	No. 34 (BLK)

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

   Is there continuity?

   YES 

   There is a short to body ground in the wire(s) between the navigation display unit and the rearview camera. Replace the affected shielded harness.

   NO 

   The CAMERA wires are OK. Go to step 7.

7. Navigation display unit check:

   Substitute a known-good rearview camera .

   - 2. Reconnect all the connectors, and recheck.

   Does the symptom go away?

   YES 

   Replace the original rearview camera.

   NO 

   Replace the navigation display unit .