Test 132A - Bus Fault Messages
Battery must be fully charged before proceeding. Connect scan tool to Data Link Connector (DLC) to retrieve messages. See BUS FAULT MESSAGES table and proceed to appropriate test number.
BUS FAULT MESSAGES
| Fault Messages | Test No. |
|---|---|
| BUS SHORT TO BATTERY | 133A |
| BUS SHORT TO 5 VOLTS | 134A |
| BUS SHORT TO GROUND | 135A |
| BUS (+) & BUS (-) SHORTED TOGETHER | 136A |
| NO TERMINATION | 137A |
| BUS BIAS LEVEL TOO LOW | 138A |
| BUS BIAS LEVEL TOO HIGH | 138A |
| BUS (+) OPEN | 138A |
| BUS (-) OPEN | 138A |
| BUS (+) & (-) OPEN | 138A |
| NO BUS BIAS | 139A |
| NOT RECEIVING BUS MESSAGES CORRECTLY | 140A |