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Home >> Suzuki >> 2001 >> XL-7 Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (Engine Controls - Self-Diagnostics - 1.6L) >> Diagnostic Tests >> DTC P1450 Or DTC P1451 >> Diagnosis & Repair Procedure (DTC P1451)

Diagnosis & Repair Procedure (DTC P1451)

WARNING: This page is about a different car, the 2002 Suzuki Esteem. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: When preforming tests, take into consideration atmospheric pressure. Atmospheric pressure varies depending on weather conditions and altitude.
  1. Turn ignition off. Connect scan tool to Data Link Connector (DLC). DLC is located under left side of instrument panel. Turn ignition on. On scan tool, select DATA LIST mode and observe MANIFOLD ABSOLUTE PRESSURE parameter. If parameter is about 29 in. Hg (100 kPa), substitute a known good ECM, and repeat DTC CONFIRMATION TEST  . If parameter is not about 29 in. Hg (100 kPa), go to next step.
  2. Check MAP sensor and MAP sensor circuit operation. For diagnostic procedure, go to DTC P0106: MANIFOLD PRESSURE SENSOR CIRCUIT - PERFORMANCE PROBLEM  . If problem is found, repair or replace as necessary. After repair, repeat DTC CONFIRMATION TEST  .
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