LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Suzuki >> 2003 >> Aerio S, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0135: Heated Oxygen Sensor No. 1 - Heater Circuit Malfunction >> DTC Confirmation Test
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Confirmation Test

Ensure intake air temperature is 6.8°F (-14°C) or more, vehicle is at an altitude of 6650 feet or below, and barometric pressure is 72 kPa or more. Turn ignition switch to LOCK position. Connect SUZUKI scan tool or equivalent to DLC. See Figure. Turn ignition switch to ON position. Using scan tool, clear DTCs. See CLEARING DIAGNOSTIC TROUBLE CODES  under SELF-DIAGNOSTIC SYSTEM. Start engine and allow it to reach normal operating temperature. Let engine idle for 3 minutes or more. Using scan tool, check for current or pending DTC. See RETRIEVING DIAGNOSTIC TROUBLE CODES  under SELF-DIAGNOSTIC SYSTEM. If DTC P0135 resets, see DIAGNOSIS & REPAIR PROCEDURE . If no DTCs are relieved, problem is intermittent. See INTERMITTENTS in TROUBLE SHOOTING - NO-CODES article.