Honda HR-V Owners & Service Manuals

Honda HR-V: LaneWatch Symptom Troubleshooting - Does Not Switch To The Lanewatch Screen (NA)

Honda HR-V (2015-2021) Service Manual / Accessories & Equipment / Sight Support / Symptom Troubleshooting / LaneWatch Symptom Troubleshooting - Does Not Switch To The Lanewatch Screen (NA)

LaneWatch Symptom Troubleshooting - Does not switch to the Lanewatch screen

Does not switch to the Lanewatch screen

1. Lanewatch camera check:

  1. Start the engine.
  2. Go into the System Diagnostic Mode, and select the Detail Information & Setting.
  • Audio unit - Refer to: Audio System Sound Quality Diagnosis (NA), 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) )
  • Audio-navigation unit
  1. Select LaneWatch in the Unit Check.

Is Connection OK?

YES

Go to step 2.

NO

Go to step 5.

2. Lanewatch switch check:

  1. Operate the lanewatch switch.

Is the lanewatch switch ok?

YES

Intermittent failure, the system is OK at this time.

NO

Go to step 3.

3. Open wire check (LANEWATCH SW line):

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

Combination light switch 12P connector

  1. Press the engine start/stop button to select the ON mode.
  2. Go into the System Diagnostic Mode, and select the Detail Information & Setting.
  • Audio unit - Refer to: Audio System Sound Quality Diagnosis (NA), 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) )
  • Audio-navigation unit
  1. Select LaneWatch in the Unit Check.
  2. Connect terminals A and B with a jumper wire.

Sight Support

Sight Support

Is LANEWATCH SW ON on the display?

YES

The LANEWATCH SW wire is OK. Go to step 4.

NO

Repair an open in the wire between the combination light switch and the audio unit or audio-navigation unit.

4. Open wire check (GND line):

  1. Connect terminals A and B with a jumper wire.

Sight Support

Sight Support

Is LANEWATCH SW ON on the display?

YES

The GND wire is OK. Replace the combination light switch.

NO

Repair an open in the wire between the combination light switch and the body ground at G401.

5. Shorted wire check (BSM CAM VCC line) 1:

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

Lanewatch camera 6P connector

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

Sight Support

Sight Support

Is there about 8V?

YES

The BSM CAM VCC wire is OK. Go to step 6.

NO

Go to step 10.

6. Open wire check (SH BSM CAM line):

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Check for continuity between test points 1 and 2.

Sight Support

Sight Support

Is there continuity?

YES

The SH BSM CAM wire is OK. Go to step 7.

NO

Repair an open in the wire between the lanewatch camera and the audio unit or audio-navigation unit.

7. Shorted wire check (LWC TO UNIT, UNIT TO LWC line) 1:

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

Audio unit or audio-navigation unit connector C (24P)

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

Sight Support

Sight Support

Is there continuity?

YES

Repair a short to bodyground in the wire between the lanewatch camera and the audio unit or audio-navigation unit.

NO

Go to step 8.

8. Shorted wire check (LWC TO UNIT, UNIT TO LWC line) 2:

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

Sight Support

Sight Support

Is there continuity?

YES

Repair a short in the wire between the lanewatch camera and the audio unit or audio-navigation unit.

NO

Go to step 9.

9. Open wire check (LWC TO UNIT, UNIT TO LWC line):

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

Sight Support

Sight Support

Is there continuity?

YES

The LWC TO UNIT, UNIT TO LWC wires are OK. Replace the lanewatch camera.

NO

Repair an open in the wire between the lanewatch camera and audio unit or audio-navigation unit.

10.Shorted wire check (BSM CAM VCC line) 2:

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

Audio unit or audio-navigation unit connector C (24P)

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

Sight Support

Sight Support

Is there continuity?

YES

Repair a short in the wire between the lanewatch camera and the audio unit or audio-navigation unit.

NO

Go to step 11.

11.Open wire check (BSM CAM VCC line):

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

Sight Support

Sight Support

Is there continuity?

YES

The BSM CAM VCC wire is OK. Replace the lanewatch camera.

NO

Repair an open in the wire between the lanewatch camera and the audio unit or audio-navigation unit.

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