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Home >> Suzuki >> 2012 >> Equator Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 22 (Tire Pressure Monitoring System) >> Diagnostic Information and Procedures >> Low Tire Pressure Indicator Inoperative >> Circuit/System Testing
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Circuit/System 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. With the scan tool, select instrument panel special functions Lamp Test. Command the instrument panel lamps ON. Verify low tire pressure indicator lamp turns ON.
    • If the lamp does not turn ON, replace the IPC.
  2. Using the tire pressure monitor (TPM) special tool to observe the tire pressure of the suspected faulty sensor. Check air pressure with a known accurate hand held tire pressure gage. Compare the psi reading to the display on the TPM special tool. Verify pressure readings from special tool do not differ 2 psi or more than actual tire pressure.
    • If the difference is 2 psi more, replace the suspect tire pressure sensor.
  3. With the scan tool, observe tire pressures in the scan tool data display. Verify pressure readings from special tool do not differ 2 psi or more than scan tool data display.
    • If the difference is 2 psi more, replace the RCDLR.
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