Frozen Values For Diagnostic Trouble Codes
WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.
When the control module registers a malfunction in the system and a DTC is set, four parameters are registered (frozen) and stored in the control module memory. The frozen values reflect the driving conditions at the time the DTC was set.
| No. | Text Size | Comments |
|---|---|---|
| 2 | OIL TEMP = °C | Oil temperature. Measurement range: -60°C - +180°C The transmission control module (TCM) calculates the temperature from the oil temperature sensor signal. |
| 3 | SPEED = km/h | Speed. Measurement range: 0-254 km/h. |
| 4 | ENGINE RPM = RPM | Engine speed (RPM). Measurement range: 0 RPM and up Idling speed: approx. 850 RPM. The transmission control module (TCM) calculates engine speed on the basis of the load signal from the engine control module (ECM). |