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Home >> Suzuki >> 2006 >> Aerio Base, FWD, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine General Information And Diagnosis >> Diagnostic Information and Procedures >> DTC P0128: Coolant Thermostat >> DTC Confirmation Procedure
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DTC Confirmation Procedure

WARNING:
  • When performing a road test, select a place where there is no traffic or possibility of a traffic accident and be very careful during testing to avoid occurrence of an accident.
  • Road test should be carried out with 2 persons, a driver and a tester, on a level road.
NOTE: Check to make sure that the following conditions are satisfied when using this "DTC Confirmation Procedure".
  • Intake air temp.: 70°C (158°F) or less.
  • Altitude (barometric pressure): 2500 m, 8202 ft or less (560 mmHg, 75 kPa or more)
  • Engine coolant temp. at engine start: between -10°C and 56°C (14°F and 133°F)
  1. With ignition switch turned OFF, connect scan tool to DLC.
  2. Turn ON ignition switch and clear DTC using scan tool.
  3. Start engine and drive vehicle in 40 - 60 km/h (25 - 40 mile/h) vehicle speed and 2000 - 3000 RPM engine speed for 20 minutes or more.
  4. Stop vehicle and check DTC and pending DTC.