With CONSULT
OVERALL FUNCTION CHECK
This procedure can be used for checking the overall function of the engine coolant temperature sensor circuit. During this check, a DTC might not be confirmed.
NOTE: If both DTC 13 (P0115) and 98 (P0125) are displayed, first perform TROUBLE DIAGNOSIS FOR DTC 13.
1. Turn ignition switch "ON".
2. Select "COOLANT TEMP/S" in "DATA MONITOR" mode with CONSULT.
3. Start engine and run it at idle speed.
4. Check that the engine coolant temperature rises to 25°C (77°F) or more within 15 minutes. (Be careful not to overheat engine.)