Communication With Scan-Tool Is Not Possible (Communication With any system Is Not Possible)

Detecting Condition






Inspection Procedures
Check The Power Supply Circuit For The Diagnosis
1. Measure the voltage between terminal 9 of the data link connector and body ground.

Specification :approximately B+

2. Is voltage within specification?










Check The Ground Circuit For The Diagnosis
1. Check for continuity between terminal 5 of the data link connector and body ground.
2. Is there continuity?