LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 192 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P1226: Closed Throttle Position Learning Performance Problem >> DTC Confirmation Test
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Confirmation Test

WARNING: This page is about a different car, the 2003 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: If a DTC confirmation test has been previously performed, turn ignition off and wait at least 10 seconds before performing next DTC confirmation test.
NOTE: Before performing following procedure, confirm battery voltage is more than 10 volts at idle.
  1. Turn ignition on.
  2. Select DATA MONITOR mode with scan tool.
  3. Turn ignition off and wait at least 10 seconds.
  4. Turn ignition on.
  5. Repeat steps  3 and  4 , a total of 32 times.
  6. If 1st trip DTC is detected, go to DIAGNOSTIC PROCEDURE  . If 1st trip DTC is not detected, system is okay at this time.
scientia non olet · About LEMON Manuals