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Home >> Suzuki >> 2002 >> XL-7 Plus >> Repair and Diagnosis >> External Pages >> Different car >> Section 17 (Engine Controls - Self-Diagnostics - 1.8L) >> Diagnostic Tests >> DTC P1132: Manifold Differential Pressure Sensor - Low Input >> Diagnosis & Repair Procedure
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Diagnosis & Repair Procedure

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.
  1. If engine system check has been performed, go to next step. If engine system check has not been performed, go to A4: ENGINE SYSTEM CHECK  under SYSTEM TESTS.
  2. Turn ignition on. Backprobbing at ECM, measure voltage between ground and ECM harness connector C20 terminal No. 4 (White wire). See Figure . If voltage reading is 2 volts or more, check for White and Black/White wires being shorted to each other. If problem is found, repair as necessary. After repair, repeat DTC CONFIRMATION TEST  . If no problem is found, go to next step.
  3. Substitute a known good ECM, and retest system. After repair, repeat DTC CONFIRMATION TEST  . If DTC does not reset, testing is complete.
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