G37x Sedan AWD V6-3.7L (VQ37VHR) (2010)
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The time required for each diagnosis varies with road surface conditions, weather, altitude, individual driving habits, etc.
Zone A refers to the range where the time, required for the diagnosis under normal conditions*, is the shortest.
Zone B refers to the range where the diagnosis can still be performed if the diagnosis is not completed within zone A.
*: Normal conditions refer to the following:
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Sea level
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Flat road
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Ambient air temperature: 20 - 30°C (68 - 86°F)
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Diagnosis is performed as quickly as possible under normal conditions.
Under different conditions [For example: ambient air temperature other than 20 - 30°C (68 - 86°F)], diagnosis may also be performed.
Pattern 1:
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The engine is started at the engine coolant temperature of -10 to 35°C (14 to 95°F)
[where the voltage between the ECM terminals 71 (engine coolant temperature signal) and 84 (sensor ground) is 3.0 - 4.3 V].
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The engine must be operated at idle speed until the engine coolant temperature is greater than 70°C
(158°F) [where the voltage between the ECM terminal 71 (engine coolant temperature signal) and 84
(sensor ground) is lower than 1.4 V)]
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The engine is started at the fuel tank temperature of warmer than 0°C (32°F) [where the voltage between the ECM terminal 106 (fuel
temperature sensor signal) and ground is less than 4.1 V].