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Home >> Infiniti >> 2002 >> QX4 RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics - Pathfinder & QX4 >> Diagnostic Tests >> DTC P0122: Throttle Position Sensor Circuit - Low Input Or DTC P0123: Throttle Position Sensor Circuit - High Input >> DTC Confirmation Test
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DTC Confirmation Test

NOTE: If DTC confirmation procedure had been previously run, turn ignition off and wait at least 10 seconds before continuing.
NOTE: Before proceeding, ensure battery voltage is 10 volts or more at idle.

Turn ignition on. On scan tool, select DATA MONITOR mode. Start engine and let it idle for 5 seconds. If DTC is detected, go to DIAGNOSTIC PROCEDURE  . If DTC is not detected, system is okay at this time.