No Display On CMTC Except Direction and Temperature

SYMPTOM
* NO DISPLAY ON CMTC EXCEPT DIRECTION AND TEMPERATURE

TEST NOTE
This symptom is diagnosed using the test NO RESPONSE FROM CMTC.

POSSIBLE CAUSES
- CCD bus (+) wire open
- CCD bus (-) wire open
- Fused ignition switch output circuit open
- CMTC ground circuit open
- CMTC communication failed