Honda HR-V: Rearview Camera Image Does Not Come ON Or Work Properly (Without Navigation, Display Audio Type (7-inch Screen) )

NOTE:

• Check the vehicle 12 volt battery condition first.
• Check the connectors for poor connections or loose terminals.

1. Problem verification:

1. Turn the vehicle to the ON mode.
2. Shift the transmission to R position/mode.

Does the audio display image change when the transmission is shifted to R position/mode?

YES: Rearview is displayed

Intermittent failure, the system is OK at this time.

YES: Rearview is not displayed (no image)

Go to step 5.

NO: Audio display image does not change

The failure is duplicated, go to step 2.

2. DTC check:

1. Shift the transmission to P position/mode or N position/mode.
2. Check for hard error codes.

Are there any audio DTCs indicated?

YES

Go to indicated DTC's troubleshooting.

NO

Go to step 3.

3. Determine possible failure area (BACK LT line, audio unit).

Go into the System Diagnostic Mode, and select the Vehicle Status in the System Links to check the BACK signals - Refer to: Audio System Sound Quality Diagnosis, or Audio System Diagnostic Mode (Without Navigation, Display Audio Type (7-inch Screen) ), or Audio System Diagnostic Mode (Without Navigation, Color Audio Type (5-inch Screen) ).

Does the BACK signal change from [0] to [1] when the transmission is shifted from P or N position/mode to R position/mode?

YES

Replace the audio unit - Refer to: Audio Unit Removal and Installation (Display Audio Type (7-inch Screen) ), or Audio Unit Removal and Installation (Color Audio Type (5-inch Screen) ).

NO

Go to step 4.

4. Open wire check (BACK LT line):

1. Shift the transmission to P position/mode or N position/mode.
2. Turn the vehicle to the OFF (LOCK) mode.
3. Disconnect the following connector.

Audio unit connector C (24P)

4. Turn the vehicle to the ON mode.
5. Shift the transmission to R position/mode.
6. Measure the voltage between test points 1 and 2.

Is there battery voltage?

YES

Replace the audio unit - Refer to: Audio Unit Removal and Installation (Display Audio Type (7-inch Screen) ), or Audio Unit Removal and Installation (Color Audio Type (5-inch Screen) ).

NO

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

5. Determine possible failure area (CAMERA VCC line, others):

1. Turn the vehicle to the OFF (LOCK) mode.
2. Disconnect the following connector.

Rearview camera 8P connector

3. Turn the vehicle to the ON mode.
4. Measure the voltage between test points 1 and 2.

Is there about 5 - 9 V?

YES

Go to step 7.

NO

Go to step 6.

6. Open wire check (CAMERA VCC line).

Measure the voltage between test points 1 and 2.

Is there about 5 - 9 V?

YES

There is an open in the wire between the audio unit and the rearview camera. Replace the affected shielded harness.

NO

Replace the audio unit - Refer to: Audio Unit Removal and Installation (Display Audio Type (7-inch Screen) ), or Audio Unit Removal and Installation (Color Audio Type (5-inch Screen) ).

7. Open wire check (CAMERA V, CAMERA V GND lines):

1.  Shift the transmission to P position/mode or N position/mode.
2.  Turn the vehicle to the OFF (LOCK) mode.
3.  Disconnect the following connector.

Audio unit connector C (24P)

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

Is there continuity?

YES

The CAMERA V wire and CAMERA V GND wire are not open. Go to step 8.

NO

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

8. Shorted wire check (SH CAMERA, CAMERA V, CAMERA V GND lines).

Check for continuity between test points 1 and 2.

Is there continuity between any of the terminals?

YES

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

NO

The CAMERA wires are not shorted. Go to step 9.

9. Shorted wire check (CAMERA V, CAMERA V GND lines).

Check for continuity between test points 1 and 2.

Is there continuity?

YES

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

NO

The CAMERA V wire and CAMERA V GND wire are OK. Go to step 10.

10. Audio unit check (substitution):

1. Substitute a known-good audio unit. - Refer to: Audio Unit Removal and Installation (Display Audio Type (7-inch Screen) ), or Audio Unit Removal and Installation (Color Audio Type (5-inch Screen) )
2. Reconnect all the connectors, and recheck.

Does the symptom go away?

YES

Replace the original audio unit.

NO

Replace the rearview camera.

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