LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Suzuki >> 1999 >> Grand Vitara JS, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0174: Fuel Trim System Lean Bank No. 2 Or DTC P0175: Fuel Trim System Rich Bank No. 2 >> DTC Confirmation Test
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Confirmation Test

  1. Ensure intake air temperature is 6.8-158°F (-14-70°C), vehicle is at an altitude of 9150 feet or below, and barometric pressure is 74 kPa or more. Ensure DTCs P0131, P0132, P0133 and P0134 are not set. Turn ignition off, connect scan tool and turn ignition on. Clear DTCs. See MALFUNCTION INDICATOR LIGHT (MIL) RESET PROCEDURE under SELF-DIAGNOSTIC SYSTEM in SELF-DIAGNOSTICS - INTRODUCTION article.
  2. Start engine and allow it to reach normal operating temperature. Drive vehicle under conditions during which DTC was originally set or under freeze frame data conditions for 5 minutes. Stop vehicle and check for DTC P0174 or P0175. See RETRIEVING DTCS under SELF-DIAGNOSTIC SYSTEM in SELF-DIAGNOSTICS - INTRODUCTION article.
scientia non olet · About LEMON Manuals