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ON BOARD DIAGNOSTIC (OBD) SYSTEM EC-59 C D E F G H I J K L M A EC ● The time required for each diagnosis varies with road surface conditions, weather, altitude, individual driv- *: Normal conditions refer to the following: ● Sea level ● Flat road ● Ambient air temperature: 20 - 30 ° C (68 - 86 ° F) ● Diagnosis is performed as quickly as possible under normal conditions. ° C (68 - 86 ° F)], diag- nosis may also be performed. Pattern 1: ● The engine is started at the engine coolant temperature of − 10 to 35 ° C (14 to 95 ° F) (where the voltage between the ECM terminal 73 and ground is 3.0 - 4.3V). ● The engine must be operated at idle speed until the engine coolant temperature is greater than ° C (158 ° F) (where the voltage between the ECM terminal 73 and ground is lower than 1.4V). ● The engine is started at the fuel tank temperature of warmer than 0 ° C (32 ° F) (where the voltage between the ECM terminal 107 and ground is less than 4.1V). Pattern 2: ● When steady-state driving is performed again even after it is interrupted, each diagnosis can be con- Pattern 3: ● Operate vehicle following the driving pattern shown in the figure. ● Release the accelerator pedal during decelerating vehicle speed Pattern 4: ● The accelerator pedal must be held very steady during steady- ● If the accelerator pedal is moved, the test must be conducted all *1: Depress the accelerator pedal until vehicle speed is 90 km/h (56 Suggested Transmission Gear Position PBIB2244E |