Generic Scan Tool

OVERALL FUNCTION CHECK
This procedure can be used for checking the overall function of the engine coolant temperature sensor circuit. During this check, a Diagnostic Trouble Code (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 "MODE 1" with Generic Scan Tool (GST).
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 overheat engine.)