DTC: 2618
DTC 2618 : LaneWatch Diag
NOTE:
- Check the vehicle 12 volt battery condition first - Refer to:
- This audio DTC sets when Connection NG is indicated in the LaneWatch diagnosis (the LaneWatch icon is red in the System Links).
- Before You Troubleshoot, Make Sure To Follow The General Troubleshooting Information .
- Check the connectors for poor connections or loose terminals.
- Problem verification
-1. Clear the hard error codes.
- 2. Turn the vehicle to the OFF (LOCK) mode then the ON mode.
- 3. Check for hard error codes.
Is DTC 2618 indicated?
YES
The failure is duplicated, go to step 2.
NO
Intermittent failure, the system is OK at this time.
- Determine possible failure area (LaneWatch camera power and ground, others)
-1. Turn the vehicle to the OFF (LOCK) mode.
- 2. Disconnect the following connector.
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. 3 Test point 2 LaneWatch camera 6P connector No. 4 Is there about 6 - 9 V?
YES
Go to step 7.
NO
Go to step 3.
- Determine possible failure area (LWC CAM+B line, LWC CAM GND line)
-1. 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 Is there about 6 - 9 V?
YES
Go to step 6.
NO
Go to step 4.
- Open wire check (LWC CAM+B line)
-1. Measure the voltage between test points 1 and 2.
Test condition Vehicle ON mode LaneWatch camera 6P connector: disconnected Test point 1 Audio unit connector C (24P) No. 21 - Refer to:
Audio Unit Connector for Inputs and Outputs (Color Audio Type [5-inch Screen]) (2016 2017) or
Audio Unit Connector for Inputs and Outputs (Color Audio Type [5-inch Screen]) (2018) or
Audio Unit Connector for Inputs and Outputs (Display Audio Type [8-inch Screen]) (2016 2017 2018) or
Audio Unit Connector for Inputs and Outputs (2019 2020 2021) .Test point 2 Body ground Is there about 6 - 9 V?
YES
There is an open in the wire between the audio unit and the LaneWatch camera. Replace the affected shielded harness.
NO
The LWC CAM+B wire is not open. Go to step 5.
- Shorted wire check (LWC CAM+B line)
-1. Turn the vehicle to the OFF (LOCK) mode.
- 2. Disconnect the following connector.
Audio unit connector C (24P) - 3. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode LaneWatch camera 6P connector: disconnected Audio unit connector C (24P): disconnected Test point 1 Audio unit connector C (24P) No. 21 - Refer to:
Audio Unit Connector for Inputs and Outputs (Color Audio Type [5-inch Screen]) (2016 2017) or
Audio Unit Connector for Inputs and Outputs (Color Audio Type [5-inch Screen]) (2018) or
Audio Unit Connector for Inputs and Outputs (Display Audio Type [8-inch Screen]) (2016 2017 2018) or
Audio Unit Connector for Inputs and Outputs (2019 2020 2021) .Test point 2 Body ground Is there continuity?
YES
There is a short to body ground in the wire between the audio unit and the LaneWatch camera. Replace the affected shielded harness.
NO
Replace the audio unit - Refer to:
Audio Unit Removal and Installation (Display Audio Type [8-inch Screen]) (2016 2017 2018) or
Audio Unit Removal and Installation (Color Audio Type [5-inch Screen]) .
- Open wire check (LWC CAM GND line)
-1. Turn the vehicle to the OFF (LOCK) mode.
- 2. Disconnect the following connector.
Audio unit connector C (24P) - 3. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode LaneWatch camera 6P connector: disconnected Audio unit connector C (24P): disconnected Test point 1 Audio unit connector C (24P) No. 9 - Refer to:
Audio Unit Connector for Inputs and Outputs (Color Audio Type [5-inch Screen]) (2016 2017) or
Audio Unit Connector for Inputs and Outputs (Color Audio Type [5-inch Screen]) (2018) or
Audio Unit Connector for Inputs and Outputs (Display Audio Type [8-inch Screen]) (2016 2017 2018) or
Audio Unit Connector for Inputs and Outputs (2019 2020 2021) .Test point 2 LaneWatch camera 6P connector No. 3 Is there continuity?
YES
Replace the audio unit - Refer to:
Audio Unit Removal and Installation (Display Audio Type [8-inch Screen]) (2016 2017 2018) or
Audio Unit Removal and Installation (Color Audio Type [5-inch Screen]) .
NO
There is an open in the wire between the audio unit and the LaneWatch camera. Replace the affected shielded harness.
- Shorted wire check (UNIT TO LWC, LWC TO UNIT lines)
-1. Turn the vehicle to the OFF (LOCK) mode.
- 2. Disconnect the following connector.
Audio unit connector C (24P) - 3. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode LaneWatch camera 6P connector: disconnected Audio unit connector C (24P): disconnected Test circuit 1 Test point 1 Audio unit connector C (24P) No. 22 - Refer to:
Audio Unit Connector for Inputs and Outputs (Color Audio Type [5-inch Screen]) (2016 2017) or
Audio Unit Connector for Inputs and Outputs (Color Audio Type [5-inch Screen]) (2018) or
Audio Unit Connector for Inputs and Outputs (Display Audio Type [8-inch Screen]) (2016 2017 2018) or
Audio Unit Connector for Inputs and Outputs (2019 2020 2021) .Test point 2 Body ground Test circuit 2 Test point 1 Audio unit connector C (24P) No. 23 - Refer to:
Audio Unit Connector for Inputs and Outputs (Color Audio Type [5-inch Screen]) (2016 2017) or
Audio Unit Connector for Inputs and Outputs (Color Audio Type [5-inch Screen]) (2018) or
Audio Unit Connector for Inputs and Outputs (Display Audio Type [8-inch Screen]) (2016 2017 2018) or
Audio Unit Connector for Inputs and Outputs (2019 2020 2021) .Test point 2 Body ground Is there continuity?
YES
There is a short to body ground in the wire(s) between the audio unit and the LaneWatch camera. Replace the affected shielded harness.
NO
The UNIT TO LWC wire and the LWC TO UNIT wire are not shorted. Go to step 8.
- Shorted wire check (UNIT TO LWC line to LWC TO UNIT line)
-1. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode LaneWatch camera 6P connector: disconnected Audio unit connector C (24P): disconnected Test point 1 Audio unit connector C (24P) No. 22 - Refer to:
Audio Unit Connector for Inputs and Outputs (Color Audio Type [5-inch Screen]) (2016 2017) or
Audio Unit Connector for Inputs and Outputs (Color Audio Type [5-inch Screen]) (2018) or
Audio Unit Connector for Inputs and Outputs (Display Audio Type [8-inch Screen]) (2016 2017 2018) or
Audio Unit Connector for Inputs and Outputs (2019 2020 2021) .Test point 2 Audio unit connector C (24P) No. 23 - Refer to:
Audio Unit Connector for Inputs and Outputs (Color Audio Type [5-inch Screen]) (2016 2017) or
Audio Unit Connector for Inputs and Outputs (Color Audio Type [5-inch Screen]) (2018) or
Audio Unit Connector for Inputs and Outputs (Display Audio Type [8-inch Screen]) (2016 2017 2018) or
Audio Unit Connector for Inputs and Outputs (2019 2020 2021) .Is there continuity?
YES
There is a short in the wires between the audio unit and the LaneWatch camera. Replace the affected shielded harness.
NO
The UNIT TO LWC to the LWC TO UNIT wire are not shorted. Go to step 9.
- Open wire check (UNIT TO LWC, LWC TO UNIT lines)
-1. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode LaneWatch camera 6P connector: disconnected Audio unit connector C (24P): disconnected Test circuit 1 Test point 1 Audio unit connector C (24P) No. 22 - Refer to:
Audio Unit Connector for Inputs and Outputs (Color Audio Type [5-inch Screen]) (2016 2017) or
Audio Unit Connector for Inputs and Outputs (Color Audio Type [5-inch Screen]) (2018) or
Audio Unit Connector for Inputs and Outputs (Display Audio Type [8-inch Screen]) (2016 2017 2018) or
Audio Unit Connector for Inputs and Outputs (2019 2020 2021) .Test point 2 LaneWatch camera 6P connector No. 2 Test circuit 2 Test point 1 Audio unit connector C (24P) No. 23 - Refer to:
Audio Unit Connector for Inputs and Outputs (Color Audio Type [5-inch Screen]) (2016 2017) or
Audio Unit Connector for Inputs and Outputs (Color Audio Type [5-inch Screen]) (2018) or
Audio Unit Connector for Inputs and Outputs (Display Audio Type [8-inch Screen]) (2016 2017 2018) or
Audio Unit Connector for Inputs and Outputs (2019 2020 2021) .Test point 2 LaneWatch camera 6P connector No. 5 Is there continuity?
YES
Replace the LaneWatch camera - Refer to:
LaneWatch Camera Removal and Installation (2016 2017 2018) or
LaneWatch Camera Removal and Installation (2019 2020 2021) .
NO
There is an open in the wire(s) between the audio unit and the LaneWatch camera. Replace the affected shielded harness.
DTC 2618 : LaneWatch Diag
NOTE:
- Check the vehicle 12 volt battery condition first - Refer to:
- This navigation DTC sets when Connection NG is indicated in the LaneWatch diagnosis (the LaneWatch icon is red in the System Links).
- Before You Troubleshoot, Make Sure To Follow The General Troubleshooting Information .
- Check any official Honda service website for more service information about the navigation system.
- Check the connectors for poor connections or loose terminals.
- Problem verification
-1. Clear the hard error codes.
- 2. Turn the vehicle to the OFF (LOCK) mode then the ON mode.
- 3. Check for hard error codes.
Is DTC 2618 indicated?
YES
The failure is duplicated, go to step 2.
NO
Intermittent failure, the system is OK at this time.
- Determine possible failure area (LaneWatch camera power and ground, others)
-1. Turn the vehicle to the OFF (LOCK) mode.
- 2. Disconnect the following connector.
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. 3 Test point 2 LaneWatch camera 6P connector No. 4 Is there about 6 - 9 V?
YES
Go to step 7.
NO
Go to step 3.
- Determine possible failure area (LWC CAM+B line, LWC CAM GND line)
-1. 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 Is there about 6 - 9 V?
YES
Go to step 6.
NO
Go to step 4.
- Open wire check (LWC CAM+B line)
-1. Measure the voltage between test points 1 and 2.
Test condition Vehicle ON mode LaneWatch camera 6P connector: disconnected Test point 1 Audio-navigation unit connector C (24P) No. 21 - Refer to:
Audio-Navigation Unit Connector for Inputs and Outputs (2017 2018) or
Audio-Navigation Unit Connector for Inputs and Outputs (2016) .Test point 2 Body ground Is there about 6 - 9 V?
YES
There is an open in the wire between the audio-navigation unit and the LaneWatch camera. Replace the affected shielded harness.
NO
The LWC CAM+B wire is not open. Go to step 5.
- Shorted wire check (LWC CAM+B line)
-1. Turn the vehicle to the OFF (LOCK) mode.
- 2. Disconnect the following connector.
Audio-navigation unit connector C (24P) - 3. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode LaneWatch camera 6P connector: disconnected Audio-navigation unit connector C (24P): disconnected Test point 1 Audio-navigation unit connector C (24P) No. 21 - Refer to:
Audio-Navigation Unit Connector for Inputs and Outputs (2017 2018) or
Audio-Navigation Unit Connector for Inputs and Outputs (2016) .Test point 2 Body ground Is there continuity?
YES
There is a short to body ground in the wire between the audio-navigation unit and the LaneWatch camera. Replace the affected shielded harness.
NO
- Open wire check (LWC CAM GND line)
-1. Turn the vehicle to the OFF (LOCK) mode.
- 2. Disconnect the following connector.
Audio-navigation unit connector C (24P) - 3. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode Audio-navigation unit connector C (24P): disconnected LaneWatch camera 6P connector: disconnected Test point 1 Audio-navigation unit connector C (24P) No. 9 - Refer to:
Audio-Navigation Unit Connector for Inputs and Outputs (2017 2018) or
Audio-Navigation Unit Connector for Inputs and Outputs (2016) .Test point 2 LaneWatch camera 6P connector No. 3 Is there continuity?
YES
Replace The AUDIO-NAVIGATION Unit (2016 2017 2018) .
NO
There is an open in the wire between the audio-navigation unit and the LaneWatch camera. Replace the affected shielded harness.
- Shorted wire check (UNIT TO LWC, LWC TO UNIT lines)
-1. Turn the vehicle to the OFF (LOCK) mode.
- 2. Disconnect the following connector.
Audio-navigation unit connector C (24P) - 3. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode LaneWatch camera 6P connector: disconnected Audio-navigation unit connector C (24P): disconnected Test circuit 1 Test point 1 Audio-navigation unit connector C (24P) No. 22 - Refer to:
Audio-Navigation Unit Connector for Inputs and Outputs (2017 2018) or
Audio-Navigation Unit Connector for Inputs and Outputs (2016) .Test point 2 Body ground Test circuit 2 Test point 1 Audio-navigation unit connector C (24P) No. 23 - Refer to:
Audio-Navigation Unit Connector for Inputs and Outputs (2017 2018) or
Audio-Navigation Unit Connector for Inputs and Outputs (2016) .Test point 2 Body ground Is there continuity?
YES
There is a short to body ground in the wire(s) between the audio-navigation unit and the LaneWatch camera. Replace the affected shielded harness.
NO
The UNIT TO LWC wire and the LWC TO UNIT wire are not shorted. Go to step 8.
- Shorted wire check (UNIT TO LWC line to LWC TO UNIT line)
-1. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode LaneWatch camera 6P connector: disconnected Audio-navigation unit connector C (24P): disconnected Test point 1 Audio-navigation unit connector C (24P) No. 22 - Refer to:
Audio-Navigation Unit Connector for Inputs and Outputs (2017 2018) or
Audio-Navigation Unit Connector for Inputs and Outputs (2016) .Test point 2 Audio-navigation unit connector C (24P) No. 23 - Refer to:
Audio-Navigation Unit Connector for Inputs and Outputs (2017 2018) or
Audio-Navigation Unit Connector for Inputs and Outputs (2016) .Is there continuity?
YES
There is a short in the wires between the audio-navigation unit and the LaneWatch camera. Replace the affected shielded harness.
NO
The UNIT TO LWC to the LWC TO UNIT wire are not shorted. Go to step 9.
- Open wire check (UNIT TO LWC, LWC TO UNIT lines)
-1. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode LaneWatch camera 6P connector: disconnected Audio-navigation unit connector C (24P): disconnected Test circuit 1 Test point 1 Audio-navigation unit connector C (24P) No. 22 - Refer to:
Audio-Navigation Unit Connector for Inputs and Outputs (2017 2018) or
Audio-Navigation Unit Connector for Inputs and Outputs (2016) .Test point 2 LaneWatch camera 6P connector No. 2 Test circuit 2 Test point 1 Audio-navigation unit connector C (24P) No. 23 - Refer to:
Audio-Navigation Unit Connector for Inputs and Outputs (2017 2018) or
Audio-Navigation Unit Connector for Inputs and Outputs (2016) .Test point 2 LaneWatch camera 6P connector No. 5 Is there continuity?
YES
Replace the LaneWatch camera - Refer to:
LaneWatch Camera Removal and Installation (2016 2017 2018) or
LaneWatch Camera Removal and Installation (2019 2020 2021) .
NO
There is an open in the wire(s) between the audio-navigation unit and the LaneWatch camera. Replace the affected shielded harness.