P1125 LEXUS Possible Causes
- Faulty throttle control motor
- Throttle control motor wiring harness is open or short-circuited
- Poor electrical connection in throttle control motor circuit
How to Fix P1125 LEXUS Code?
Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
Check engine light on (or service engine soon warning light)
P1125 LEXUS Meaning
The throttle motor is actuated by the ECM and it opens and closes the throttle valve.
The throttle valve opening angle is detected by the throttle position sensor mounted on the throttle body and it provides feedback to the ECM to control the throttle motor so that the throttle valve opening angle is properly responsive to driving conditions.
If this DTC is stored, the ECM cuts power to the throttle motor and magnetic clutch, and the throttle valve is completely closed by the return spring.
However, the throttle valve opening angle can be controlled by the accelerator pedal via the throttle cable