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Home >> Toyota >> 2008 >> FJ Cruiser RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 227 (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 car, the 2008 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
TYPICAL ENABLING CONDITIONS

Monitor runs whenever following DTCs not present P0010 (VVT OCV)
P0011 (VVT System 1 -Advance)
P0012 (VVT System 1 - Retard)
P0031, P0032 (A/F sensor heater - Sensor 1)
P0100 - P0103 (MAF meter)
P0110 - P0113 (IAT sensor)
P0115 - P0118 (ECT sensor)
P0125 (Insufficient ECT for Closed Loop)
P0171, P0172 (Fuel system)
P0300 - P0304 (Misfire)
P0335 (CKP sensor)
P0340 (CMP sensor)
P0351 - P0354 (Igniter)
P0500 (VSS)
P2196 (A/F sensor - rationality)
P2A00 (A/F sensor - slow response)
Battery voltage 11 V or more
Either of following conditions 1 or 2 met: -
1. All of following conditions met: -
  • ECT at engine start - IAT at engine start
-15°C to 7°C (-27°F to 12.6°F)
  • ECT at engine start
-10°C to 56°C (14°F to 133°F)
  • IAT at engine start
-10°C to 56°C (14°F to 133°F)
2. All of following conditions met: -
  • ECT at engine start - IAT at engine start
More than 7°C (12.6°F)
  • ECT at engine start
56°C (133°F) or less
  • IAT 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