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EC-1018 < ECU DIAGNOSIS > [MR18DE] ECM DTC RELATED ITEM Engine operating condi- tion in fail-safe mode Detected items Remarks Reference page Engine speed will not Malfunction indicator When there is an open circuit on MI circuit, the ECM cannot warn the DTC No. Detected items Engine operating condition in fail-safe mode P0011 Intake valve timing control The signal is not energized to the intake valve timing control solenoid valve and the valve P0102 Mass air flow sensor circuit Engine speed will not rise more than 2,400 rpm due to the fuel cut. P0117 Engine coolant tempera- Engine coolant temperature will be determined by ECM based on the time after following Condition Engine coolant temperature decided (CONSULT-III display) Just as ignition switch is turned ON 40 ° C (104 ° F) Approx. 4 minutes after engine 80 ° C (176 ° F) Except as shown above 40 - 80 ° C (104 - 176 ° F) (Depends on the time) When the fail-safe system for engine coolant temperature sensor is activated, the cooling P0122 Throttle position sensor The ECM controls the electric throttle control actuator in regulating the throttle opening in P0500 Vehicle speed sensor When the fail-safe system for vehicle speed sensor is activated, the cooling fan operates P0605 ECM (When ECM calculation function is malfunctioning:) P1121 Electric throttle control ac- (When electric throttle control actuator does not function properly due to the return spring (When throttle valve opening angle in fail-safe mode is not in specified range:) (When ECM detects the throttle valve is stuck open:) P1122 Electric throttle control ECM stops the electric throttle control actuator control, throttle valve is maintained at a |