LaneWatch Symptom Troubleshooting - Does not switch to the Lanewatch screen
Does not switch to the Lanewatch screen
1. Lanewatch camera check:
Is Connection OK?
YES
Go to step 2.
NO
Go to step 5.
2. Lanewatch switch check:
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):
Combination light switch 12P connector
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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):
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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:
Lanewatch camera 6P connector
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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):
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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:
Audio unit or audio-navigation unit connector C (24P)
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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:
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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):
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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:
Audio unit or audio-navigation unit connector C (24P)
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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):
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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.
Troubleshooting Start
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