LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2009 >> Matrix Base, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Control System (2AZ-FE)) >> 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.
TYPICAL ENABLING CONDITIONS

Monitor runs whenever following DTCs are not present P0010 (VVT Camshaft timing oil control valve)
P0011 (VVT System 1 - Advance)
P0012 (VVT System 1 - Retard)
P0031, P0032 (Air fuel ratio sensor heater - Sensor 1)
P0102 - P0103 (Mass air flow meter)
P0110 - P0113 (Intake air temperature sensor)
P0115 - P0118 (Engine coolant temperature sensor)
P0125 (Insufficient engine coolant temperature for Closed Loop)
P0171, P0172 (Fuel system)
P0300 - P0304 (Misfire)
P0335 (Crankshaft position sensor)
P0340 (Camshaft position sensor)
P0351 - P0354 (Igniter)
P0500 (Vehicle speed sensor)
P2196 (Air fuel ratio sensor - rationality)
P2A00 (Air fuel ratio sensor - slow response)
Battery voltage 11 V or more
Either of following conditions 1 or 2 is met: -
1. All of following conditions met: -
  • Engine coolant temperature at engine start - Intake air temperature at engine start
-15 to 7°C (5 to 45°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 met: -
  • Engine coolant temperature at engine start - Intake air temperature at engine start
More than 7°C (45°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 80 mph (128 km/h) or more of vehicle speed Less than 20 seconds