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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 41 (Engine Controls - Self-Diagnostics - Quest) >> Diagnostic Tests >> DTC P0120: Throttle Position Sensor >> DTC Confirmation Test "A"

DTC Confirmation Test "A"

WARNING: This page is about a different car, the 2002 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Before performing confirmation test "A", ensure battery voltage is greater than 10 volts when engine is idling.

Malfunction "A" is detected when ECM receives an excessively low or high voltage from TP sensor. ECM will enter fail-safe mode. Possible causes are:

To set DTC, turn ignition on. Using scan tool, select DATA MONITOR. Start engine and drive vehicle for at least 5 seconds at 2 MPH or more. Ensure transmission is not in Neutral. If first trip DTC is detected, go to DIAGNOSTIC PROCEDURE .