Checking Program
| Trouble Code | Trouble Code Storage when... | |
|---|---|---|
| 94 | Trouble code is stored if a signal caused by electromagnetic interference in the serial data line (SDA), serial clock line (SCL) or master request line (MRQ) is recognized. | |
| Notes on Trouble-shooting: | Nominal Value: | Cause of Fault: |
| (If nominal value is not attained) | ||
| · Subject all interference suppressors (interference suppressor resistors, capacitors and filters, shielding equipment and all relevant ground connections) to an |
inspection
| OK | · Suppressor defective |
· Ignition OFF
| · Radio OFF | ||
|---|---|---|
| · Disconnect battery for 30 s | Trouble code is deleted | |
| · Connect battery | No trouble codes | · TID defective |
| · Ignition ON | ||
| · Engine running at idle speed | No trouble codes | · Radio interference suppression inadequate |
or
· Wiring harness defective (check contact springs of wiring harness connection)