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Home >> Suzuki >> 2002 >> Aerio S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 38 (Engine Controls - Self-Diagnostics) >> Monitors >> Thermostat Monitor >> System Description
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System Description

WARNING: This page is about a different car, the 2003 Suzuki XL-7. However, it is still accessible from the selected car via links, so may be relevant.

The system accumulates the intake air quantity to simulate the engine operating condition as the warm up counter. The thermostat is considered malfunctioning if the coolant temperature does not reach 167°F (75°C). The thermostat regulating temperature is 160-199°F (71-93°C). The time interval required for monitoring is based on the accumulated intake air quantity.

  1. Time interval required for monitoring: approximately 15 minutes maximum.
  2. Monitoring condition: engine start ECT is 18-176°F (-8-80°C).