Test FC-1A, Checking System For Fault Codes
NOTE:
For connector terminal identification, see Figure.
NOTE:
Battery must be fully charged before proceeding.
- Attempt to start engine. If necessary, crank engine for up to 10 seconds. Connect DRB-II to data link connector. Record DRB-II fault messages. If the DRB-II screen shows no response, proceed to TEST NS-6A, CORRECTING NO RESPONSE CONDITION .
- If fault messages are displayed, see DRB-II FAULT MESSAGES table for charging system fault messages, or see TEST FC-1A, CHECKING SYSTEM FOR FAULT CODES in the G - TESTS W/ CODES article in ENGINE PERFORMANCE for all other fault messages. If fault messages are not displayed, go to TEST CH-NF-1, CHECKING CHARGING SYSTEM NO FAULTS .
DRB-II FAULT MESSAGES
| DRB-II Message | Test No. |
|---|---|
| ALTERNATOR FIELD NOT SWITCHING PROPERLY | TEST CH-48 |
| BATTERY TEMP. SENSOR VOLTS OUT OF LIMIT | TEST CH-49 |
| CHARGING SYSTEM VOLTAGE LOW | TEST CH-50 |
| CHARGING SYSTEM VOLTAGE HIGH | TEST CH-51 |