Test Results & Action To Take
- Perform the test indicated in the KEY ON/ENGINE OFF SELF-TEST table for that specific engine. Start with the first code displayed. If the tests refer you to other checks, perform them as instructed.
- When more than one code is displayed, repair problems in the order that codes are displayed. Whenever a repair is made, repeat QUICK TEST. If NO CODES appear, repeat SELF-TEST to verify that no service codes are present, and then go to CIRCUIT TEST NN , step 1).
NOTE:
See CIRCUIT TESTS
at end of article.
KEY ON/ENGINE OFF SELF-TEST
| Service Codes | Go To Test |
|---|---|
| 15 | CIRCUIT TEST NN Step 13) |
| 21 | CIRCUIT TEST G |
| 22 | CIRCUIT TEST H |
| 23 | CIRCUIT TEST J |
| 24 | CIRCUIT TEST D |
| 26 | CIRCUIT TEST K |
| 51 | CIRCUIT TEST G Step 4) |
| 53 | CIRCUIT TEST J Step 3) |
| 54 | CIRCUIT TEST D Step 4) |
| 56 | CIRCUIT TEST K Step 3) |
| 61 | CIRCUIT TEST G Step 6) |
| 63 | CIRCUIT TEST J Step 6) |
| 64 | CIRCUIT TEST D Step 6) |
| 66 | CIRCUIT TEST K Step 6) |
| 67 | CIRCUIT TEST M |