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Home >> Infiniti >> 2003 >> I35 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P1225: Closed Throttle Position Learning Performance Problem >> DTC Confirmation Test
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DTC Confirmation Test

NOTE: Before proceeding, ensure battery voltage is more than 10 volts at idle.

Turn ignition on. Select DATA MONITOR mode with scan tool. Turn ignition off and wait at least 10 seconds. Turn ignition on. If 1st trip DTC is detected, go to DIAGNOSTIC PROCEDURE  . If 1st trip DTC is not detected, system is okay at this time.

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