773E and 777D Off-Highway Truck/Tractor Object Detection System (Two Cameras) Caterpillar

Diagnostic Summary Screen

Usage:

773E ASK

Troubleshooting

Diagnostic Summary Screen

The diagnostic summary screen is accessed from the Menu Screen. Press the Diagnostics option directly or use the up or down arrows to select the Diagnostics option and then press "OK". The first screen that will appear when the diagnostic summary screen is accessed will be like Illustration 1.

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Illustration 1	g03648040
Diagnostic Summary Screen

Additional information on each code is available by highlighting the desired code and pressing the "OK" button. Press the up and down arrow button in order to highlight the code. Press the "OK" button and the screen will change to a more detailed view of the selected code. Refer to Illustration 2.

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Illustration 2	g03432968
Detailed Diagnostic Summary Screen

Diagnostic Codes

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Table 1
Component	Diagnostic Code	Type of Failure	Possible Cause
CAN Data Link	247-9	CAN Data Link Not Communicating	Abnormal update rate on the CAN data link. Object detection system disabled. System reactivates when all CAN parameters are available.
Battery Supply	168-3	Voltage Above Normal	System Voltage Above Normal. There is a possible issue with the charging system. Object detection system and warnings disabled until system voltage returns below threshold.
Battery Supply	168-4	Voltage Below Normal	System Voltage Below Normal. There is a possible issue with the charging system. Object detection system and warnings disabled until system voltage returns above threshold.
CDL Fault	248-9	Cat Data Link not communicating	Abnormal update rate on the CAT Data link Object detection system disabled. System reactivates when all CAN parameters are available.
Object Detection Sensor #2	3318-9	Medium Range Object Detection Sensor #2 : Abnormal Update Rate	No data from Rear Object Detection Sensor. Object detection system and warnings disabled until fault is fixed.
Object Detection Sensor #2	3318-12	Medium Range Object Detection Sensor #2 : Failure	Rear Object Detection Sensor detects failure. Object detection system and warnings disabled until fault is fixed.
Object Detection Sensor #3	3319-9	Medium Range Object Detection Sensor #3 : Abnormal Update Rate	No data from Front Object Detection Sensor. Object detection system and warnings disabled until fault is fixed
Object Detection Sensor #3	3319-12	Medium Range Object Detection Sensor #3 : Failure	Front Object Detection Sensor detects failure. Object detection system and warnings disabled until fault is fixed.