| Fault code No. | 44 |
| Symptom | An error is detected while reading or writing on EEP-ROM |
| Fail-safe action | Engine startup: Under certain conditions |
| Riding: Under certain conditions | |
| Diagnostic monitoring code No. | D:60 |
| Meter display | The in self diagnostic code 44 detected EEP-ROM errors are indicated. If there are multiple errors, they are indicated in 2 seconds intervals 00 indication: Normal status 01 indication: CO concentration adjusted for cylinder #1 02 indication: CO concentration adjusted for cylinder #2 03 indication: CO concentration adjusted for cylinder #3 04 indication: CO concentration adjusted for cylinder #4 |
| Item/components and probable cause | Check or maintenance job | Sensor inspection procedure | |
| 1 | Locate the malfunction. | Diagnostic mode (Code No. 60) 00 indication Normal status 01 indication: CO concentration adjusted for cylinder #1 02 indication: CO concentration adjusted for cylinder #2 03 indication: CO concentration adjusted for cylinder #3 04 indication: CO concentration adjusted for cylinder #4 | |
| 2 | "01" is indicated in Diagnostic mode (Code No. 60) EEP-ROM data error for adjustment of CO concentration of cylinder #1 | Change the CO concentration of cylinder #1, and rewrite in EEP-ROM. After this adjustment is made, the memory is not recovered when the main switch is turned OFF and ON again. Replace the ECU. | Place the main switch to the ON position. Then, check the fault code indication. No fault code indicated. → Recovered. Fault code indicated. → Check the next step. |
| 3 | "02" is indicated in Diagnostic mode (Code No. 60) EEP-ROM data error for adjustment of CO concentration of cylinder #2 | Change the CO concentration of cylinder #2, and rewrite in EEP-ROM. After this adjustment is made, the memory is not recovered when the main switch is turned OFF and ON again. → Replace the ECU. | Place the main switch to the ON position. Then, check the fault code indication. No fault code indicated. → Recovered. Fault code indicated. → Check the next step. |
| 4 | "03" is indicated in Diagnostic mode (Code No. 60) EEP-ROM data error for adjustment of CO concentration of cylinder #3 | Change the CO concentration of cylinder #3, and rewrite in EEP-ROM. After this adjustment is made, the memory is not recovered when the main switch is turned OFF and ON again. → Replace the ECU. | Place the main switch to the ON position. Then, check the fault code indication. No fault code indicated. → Recovered. Fault code indicated. → Check the next step. |
| 5 | "04" is indicated in Diagnostic mode (Code No. 60) EEP-ROM data error for adjustment of CO concentration of cylinder #4 | Change the CO concentration of cylinder #4, and rewrite in EEP-ROM. After this adjustment is made, the memory is not recovered when the main switch is turned OFF and ON again. → Replace the ECU. | Place the main switch to the ON position. Then, check the fault code indication. No fault code indicated. → Recovered. Fault code indicated. → Check the next step. |
| 6 | ECU malfunction | Replace the ECU |