LaneWatch Symptom Troubleshooting - Does not switch to the LaneWatch screen

Does not switch to the LaneWatch screen 

1. 1. LaneWatch camera check:

   - 1. Start the engine.

   - 2. Go into the System Diagnostic Mode, and select the Detail Information & Setting.

   • Without navigation system - Refer to: Audio System Sound Quality DiagnosisAudio System Diagnostic Mode
   • With navigation system

   - 3. Select LaneWatch in the Unit Check.

   Is the Connection OK?

   YES 

   Go to step 2.

   NO 

   Go to step 5.

2. 2. LaneWatch switch check:

   - 1. Select Return, then select LaneWatch in the Functional Setup.

   - 2. 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. 3. Open wire check (LWC SW line):

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

   - 2. Disconnect the following connector.

   LaneWatch switch (combination light switch) 12P connector

   - 3. Turn the vehicle to the ON mode.

   - 4. Go into the System Diagnostic Mode, and select the Detail Information & Setting.

   • Without navigation system - Refer to: Audio System Sound Quality DiagnosisAudio System Diagnostic Mode
   • With navigation system

   - 5. Select LaneWatch in the Functional Setup.

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

   Terminal A	LaneWatch switch (combination light switch) 12P connector No. 4
   Terminal B	Body ground

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

   Is the LaneWatch Switch turned on?

   YES 

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

   NO 

   Repair an open in the wire between the LaneWatch switch (combination light switch) and the audio/audio-navigation unit.

4. 4. Open wire check (GND line):

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

   Terminal A	LaneWatch switch (combination light switch) 12P connector No. 3
   Terminal B	LaneWatch switch (combination light switch) 12P connector No. 4

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

   Is the LaneWatch Switch turned on?

   YES 

   The GND wire is OK. Replace the LaneWatch switch (combination light switch) .

   NO 

   Repair an open in the wire between the LaneWatch switch (combination light switch) and the body ground at G501.

5. 5. Shorted wire check (LWC VCC line) 1:

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

   - 2. Disconnect the following connectors.

   LaneWatch camera 6P connector

   - 3. Turn the vehicle to the ON mode.

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

   Test condition	Vehicle ON mode
   	LaneWatch camera 6P connector: disconnected
   Test point 1	LaneWatch camera 6P connector No. 4
   Test point 2	Body ground

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

   Is there about 8 V?

   YES 

   The LWC VCC wire is OK. Go to step 6.

   NO 

   Go to step 10.

6. 6. Open wire check (LWC SH 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
   	LaneWatch camera 6P connector: disconnected
   Test point 1	LaneWatch camera 6P connector No. 3
   Test point 2	Body ground

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

   Is there continuity?

   YES 

   The LWC SH wire is OK. Go to step 7.

   NO 

   Repair an open in the wire between the LaneWatch camera and the audio/audio-navigation unit.

7. 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/audio-navigation unit connector G (24P)

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

   Test condition	Vehicle OFF (LOCK) mode
   	LaneWatch camera 6P connector: disconnected
   	Audio/audio-navigation unit connector G (24P): disconnected
   Test point 1	LaneWatch camera 6P connector No. 5
   Test point 2	Body ground

   Test point 1	LaneWatch camera 6P connector No. 2
   Test point 2	Body ground

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

   Is there continuity?

   YES 

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

   NO 

   Go to step 8.

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

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

   Test condition	Vehicle OFF (LOCK) mode
   	LaneWatch camera 6P connector: disconnected
   	Audio/audio-navigation unit connector G (24P): disconnected
   Test point 1	LaneWatch camera 6P connector No. 2
   Test point 2	LaneWatch camera 6P connector No. 5

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

   Is there continuity?

   YES 

   Repair a short in the wire between the LaneWatch camera and the audio/audio-navigation unit.

   NO 

   Go to step 9.

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

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

   Test condition	Vehicle OFF (LOCK) mode
   	LaneWatch camera 6P connector: disconnected
   	Audio/audio-navigation unit connector G (24P): disconnected
   Test point 1	LaneWatch camera 6P connector No. 2
   Test point 2	Audio/audio-navigation unit connector G (24P) No. 22 - Refer to: Audio Unit Connector for Inputs and Outputs(With Display Audio)Audio Unit Connector for Inputs and Outputs(With Normal Audio)

   Test point 1	LaneWatch camera 6P connector No. 5
   Test point 2	Audio/audio-navigation unit connector G (24P) No. 23 - Refer to: Audio Unit Connector for Inputs and Outputs(With Display Audio)Audio Unit Connector for Inputs and Outputs(With Normal Audio)

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

   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/audio-navigation unit.

10. 10. Shorted wire check (LWC VCC line) 2:

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

    - 2. Disconnect the following connectors.

    Audio/audio-navigation unit connector G (24P)

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

    Test condition	Vehicle OFF (LOCK) mode
    	LaneWatch camera 6P connector: disconnected
    	Audio/audio-navigation unit connector G (24P): disconnected
    Test point 1	LaneWatch camera 6P connector No. 4
    Test point 2	Body ground

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

    Is there continuity?

    YES 

    Repair a short in the wire between the LaneWatch camera and the audio/audio-navigation unit.

    NO 

    Go to step 11.

11. 11. Open wire check (LWC VCC line):

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

    Test condition	Vehicle OFF (LOCK) mode
    	LaneWatch camera 6P connector: disconnected
    	Audio/audio-navigation unit connector G (24P): disconnected
    Test point 1	LaneWatch camera 6P connector No. 4
    Test point 2	Audio/audio-navigation unit connector G (24P) No. 21 - Refer to: Audio Unit Connector for Inputs and Outputs(With Display Audio)Audio Unit Connector for Inputs and Outputs(With Normal Audio)

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

    Is there continuity?

    YES 

    The LWC VCC wire is OK. Replace the audio unit (without navigation system) - Refer to: Audio Unit Removal and Installation(With Display Audio)Audio Unit Removal and Installation(With Normal Audio) or the audio-navigation unit (with navigation system) .

    NO 

    Repair an open in the wire between the LaneWatch camera and the audio/audio-navigation unit.