P0638

DTC P0638 THROTTLE ACTUATOR CONTROL RANGE/PERFORMANCE (BANK1)

1. OUTLINE OF DIAGNOSIS
Judge as NG when the target opening angle and actual opening angle is mismatched or the current to motor is the specified duty or more for specified time continuously.

2. COMPONENT DESCRIPTION






3. ENABLE CONDITION






4. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously when the electronic throttle control is operating.

5. DIAGNOSTIC METHOD

Judge as OK and clear the NG when the malfunction criteria below are met.






Time Needed for Diagnosis:
- Target opening angle and actual opening angle: 250 milliseconds (For NG) 2000 milliseconds (For OK)
- Output duty to drive circuit: 2000 milliseconds









Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.