LANEWATCH - LANEWATCH CAMERA IMAGE DOES NOT COME ON (Switches to the black screen) (2016 2017 2018)
- LaneWatch camera check
-1. Start the engine.
- 2. Go into the System Diagnostic Mode, and select the Detail Information and Setting.
- Without navigation - Go to: Diagnostic Mode [Display Audio Type (8-inch Screen)]
- With navigation - Go to: Navigation System Diagnostic Mode
- 3. Select LaneWatch in the Unit Check.
Is Connection OK?
YES
Go to step 2.
NO
Replace the LaneWatch camera - Go to: LaneWatch Camera Removal and Installation, .
- B-CAN check
-1. Select the Return, then back to Unit Check menu.
- 2. Select B-CAN in the Unit Check, then start diagnostic.
Is MICU_ICU changed red?
YES
Go to step 5.
NO
Go to step 3.
- Open wire check (LWC CAM V line)
-1. Turn the vehicle to the OFF (LOCK) mode.
- 2. Disconnect the following connectors.
LaneWatch camera 6P connector Audio unit or 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 unit or audio-navigation unit connector C (24P): disconnected Test point 1 LaneWatch camera 6P connector No. 1 Test point 2 Audio Unit Connector For Inputs And Outputs [Display Audio Type (8-inch Screen)]
or audio-navigation unit connector C (24P) No. 20 - Refer to:
Audio-Navgation Unit Connector for Inputs and Outputs (2016) or
Audio-Navigation Unit Connector for Inputs and Outputs (2017 2018)Is there continuity?
YES
The LWC CAMERA V wire is OK. Go to step 4.
NO
Repair an open in the wire between the LaneWatch camera and the audio unit or the audio-navigation unit.
- Open wire check (LWC CAM V GND line)
-1. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode LaneWatch camera 6P connector: disconnected Audio unit or audio-navigation unit connector C (24P): disconnected Test point 1 LaneWatch camera 6P connector No. 6 Test point 2 Audio Unit Connector For Inputs And Outputs [Display Audio Type (8-inch Screen)]
or
Audio-navigation unit connector C (24P) No. 8 -
Refer to:
Audio-Navigation Unit Connector for Inputs and Outputs (2016) or
Audio-Navigation Unit Connector for Inputs and Outputs (2017 2018)Is there continuity?
YES
The LWC CAM V GND wire is OK. Replace the LaneWatch camera - Go to: LaneWatch Camera Removal and Installation .
NO
Repair an open in the wire between the LaneWatch camera and the audio unit or the audio-navigation unit.
- Body electrical DTCs check
-1. Clear the DTC with the HDS.
- 2. Turn the vehicle to the OFF (LOCK) mode, then the ON mode.
- 3. Wait for at least 6 seconds.
- 4. Check for body electrical DTCs with the HDS.
DTC Description DTC Freeze Frame Are any DTCs indicated?
YES
Go to The Indicated DTCs Troubleshooting .
NO
Go to step 6.
- Open wire check (B CAN-H, B CAN-L line)
-1. Turn the vehicle to the OFF (LOCK) mode.
- 2. Disconnect the following connector.
Under-dash fuse/relay box connector M (10P) Audio unit or audio-navigation unit connector C (24P) - 3. Check for continuity between test points 1 and 2.
Test condition OFF mode Under-dash fuse/relay box connector M (10P): disconnected Audio unit or audio-navigation unit connector C (24P): disconnected Test circuit B CAN-H Test point 1 Under-dash fuse/relay box connector M (10P) No. 7 Test point 2 Audio Unit Connector For Inputs And Outputs [Display Audio Type (8-inch Screen)] .
or
Audio-navigation unit connector C (24P) No. 13 - Refer to:
Audio-Navigation Unit Connector for Inputs and Outputs (2016) or
Audio-Navigation Unit Connector for Inputs and Outputs (2017 2018)Test circuit B CAN-L Test point 1 Under-dash fuse/relay box connector M (10P) No. 1 Test point 2 Audio Unit Connector For Inputs And Outputs [Display Audio Type (8-inch Screen)] .
or
Audio-navigation unit connector C (24P) No. 3 - Refer to:
Audio-Navigation Unit Connector for Inputs and Outputs (2016) or
Audio-Navigation Unit Connector for Inputs and Outputs (2017 2018)Is there continuity?
-
YES
The B CAN-H, B CAN-L wires are OK. Check for poor connection or loose terminal at the audio unit or the audio-navigation unit. If the symptom does not go away, replace the audio unit or the audio-navigation unit.
- Without navigation - Audio Unit [Display Audio Type (8-inch Screen)] - Removal and Installation .
- With navigation Audio-Navigation Unit - Removal and Installation
NO
Repair an open in the wire between the under-dash fuse/relay box and the audio unit or the audio-navigation unit.
-