Without 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 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) Probe voltage meter between Engine Control Module (ECM) terminal "51" and ground.
3) Start engine and run it at idle speed.
4) Check that voltage of engine coolant temperature changes to less than 3.3 volts within 15 minutes. (Be careful not to overheat engine.)