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Home >> Suzuki >> 2006 >> Verona Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 23 (Engine General Information And Diagnosis) >> Diagnostic Information and Procedures >> DTC P0121: Throttle Position Sensor Circuit Performance >> DTC Detecting Condition and Trouble Area
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DTC Detecting Condition and Trouble Area

WARNING: This page is about a different car, the 2006 Suzuki XL-7. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTING CONDITION AND TROUBLE AREA CHART

DTC detecting condition Trouble area
Throttle opening is detected as small (rationality-low) while engine is running under high road and high speed conditions or as large (rationality-high) while engine is running under low load and low speed conditions.
(2 driving cycle detection logic)
  • TP sensor and its circuit
  • ECM