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Home >> Toyota >> 2010 >> Matrix S, FWD, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 26 (Engine Control (SFI) System (2ZR-FE) (Diagnostic Codes (P0010-P043E))) >> SFI System >> DTC P0128: Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) >> Typical Enabling Conditions

Typical Enabling Conditions

WARNING: This page is about a different variant/trim than selected.
Monitor runs whenever following DTCs not present P0010 (VVT Oil Control Valve Bank 1)
P0011 (VVT System Bank 1- Advance)
P0012 (VVT System Bank 1- Retard)
P0013 (Exhaust Oil Control Valve)
P0014 (Exhaust System - Advance)
P0016 (VVT System Bank 1 - Misalignment)
P0017 (Exhaust VVT System - Misalignment)
P0031, P0032 (Air Fuel Ratio Sensor Heater - Sensor 1)
P0102, P0103 (Mass Air Flow Meter)
P0112, P0113 (Intake Air Temperature Sensor)
P0115, P0117, P0118 (Engine Coolant Temperature Sensor)
P0120, P0121 P0122, P0123, P0220, P0222, P0223, P2135 (Throttle Position Sensor)
P0171, P0172 (Fuel System)
P0301, P0302, P0303, P0304 (Misfire)
P0335 (Crankshaft Position Sensor)
P0340, P0342, P0343 (Camshaft Position Sensor)
P0351, P0352, P0353, P0354 (Igniter)
P0365, P0367, P0368 (Exhaust Camshaft Position Sensor)
P0500 (Vehicle Speed Sensor)
P2195, P2196, P2237, P2238, P2239, P2252, P2253, P2A00 (Air Fuel Ratio Sensor - Sensor 1)
Battery voltage 11 V or more
Either of following conditions 1 or 2 is met: -
1. All of following conditions are met: -
  • Engine coolant temperature at engine start - Intake air temperature at engine start
-15 to 7°C (-27 to 12.6°F)
  • Engine coolant temperature at engine start
-10 to 56°C (14 to 133°F)
  • Intake air temperature at engine start
-10 to 56°C (14 to 133°F)
2. All of following conditions are met: -
  • Engine coolant temperature at engine start - Intake air temperature at engine start
More than 7°C (12.6°F)
  • Engine coolant temperature at engine start
56°C (133°F) or less
  • Intake air temperature at engine start
-10°C (14°F) or more
Accumulated time at 128 km/h (80 mph) or more of vehicle speed Less than 20 seconds