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Home >> Suzuki >> 2001 >> Grand Vitara JLX, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P1408: Manifold Absolute Pressure (Map) Sensor Circuit Malfunction >> DTC Confirmation Test
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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. Turn ignition off, connect scan tool and turn ignition on. Clear DTCs. See CLEARING DIAGNOSTIC TROUBLE CODES  under SELF-DIAGNOSTIC SYSTEM.
  2. Start engine and allow it to reach normal operating temperature. Drive vehicle at speeds of 35 MPH for 30 seconds. Stop vehicle and allow engine to idle for 10 seconds. Check for DTC P1408. See RETRIEVING DIAGNOSTIC TROUBLE CODES  under SELF-DIAGNOSTIC SYSTEM.
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