Possible Causes
WARNING: This page is about a different car, the 2003 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.
DTCs P2102 and P2103 will set when throttle control motor output duty is 80 percent or more, or throttle control motor current is less than 0.5 amp for 0.5 second or more. Or, when throttle control motor current is 16 amps or more. Or, when throttle control motor current is 7.0 amps or more for 0.6 second. Possible causes are:
- Open or short in throttle control motor circuit.
- Defective throttle control motor.
- Defective ECM.