Typical Malfunction Thresholds
WARNING: This page is about a different car, the 2007 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.
P0115:
TYPICAL MALFUNCTION THRESHOLDS
| ECT sensor voltage |
Less than 0.14 V or more than 4.9 V |
P0117:
TYPICAL MALFUNCTION THRESHOLDS
| ECT sensor voltage |
Less than 0.14 V |
P0118:
TYPICAL MALFUNCTION THRESHOLDS
| ECT sensor voltage |
More than 4.9 V |