DTC 13 - Rpm Signal
DTC 13 indicates a momentary interruption in the "G" or "NE" signal from IIA to ECM has occurred, but has returned to normal. Although this problem may not necessarily appear at the time of inspection, it cannot be ignored because trouble code has been output, indicating a malfunction in the "G" or "NE" signal has occurred.
Check IIA connector and "NE" terminal of ECM connector for following:
- Loose connectors
- Dirty connector terminals
- Loose connector terminals
Refer to DTC 12.
DTC 13 - RPM SIGNAL TROUBLE SHOOTING
| DTC No. | Detecting Condition(s) | Trouble Area |
|---|---|---|
| 13 | No NE signal to ECM for 0.3 sec. or more at 1,500 RPM or more. | Open/Short in NE circuit. |
| " | No G signal to ECM while NE signal is input 4 times to ECM when engine speed is between 500 RPM and 4000 RPM. | IIA, ECM |