LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Suzuki >> 2002 >> XL-7 Base, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P1450 Or DTC P1451 >> Diagnosis & Repair Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnosis & Repair Procedure

  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. If during DTC CONFIRMATION procedure DTC P1451 was also retrieved, go to next step. If no other DTCs were retrieved, substitute a known good ECM, and repeat appropriate DTC CONFIRMATION procedure. If DTC does not reset, testing is complete.
  3. Check MAP sensor operation. See DTC P0107 OR DTC P0108 . If MAP sensor does not test as specified, replace MAP sensor. If MAP sensor tests as specified, substitute a known good ECM, and repeat appropriate DTC CONFIRMATION procedure. If DTC does not reset, testing is complete.
scientia non olet · About LEMON Manuals