LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Suzuki >> 1987 >> Samurai Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 32 (Engine General Information And Diagnosis) >> Diagnostic Information and Procedures >> DTC P0125 or P0128 >> Component Testing
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Testing

WARNING: This page is about a different car, the 2007 Suzuki XL7. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector of the ECT sensor.
    NOTE: A thermometer can be used to the used to test the sensor off the vehicle.
  2. Test the ECT sensor by varying the sensor temperature while monitoring the sensor resistance. Compare the readings with the TEMPERATURE VERSUS RESISTANCE - ENGINE COOLANT TEMPERATURE SENSOR  table and verify that the resistance is within 5 percent of the specification.
    • If the resistance vs. temperature is not within 5 percent, replace the ECT sensor.
scientia non olet · About LEMON Manuals