Lexus NX: Brake

 Actuator Supply Voltage Circuit / Open (P0657)

MONITOR DESCRIPTION The ECM monitors the output voltage to the throttle actuator. This self-check ensures that the ECM is functioning properly. The output voltage is usually 0 V when the power switch is turned off. If the output voltage is higher than 7 V when the power switch is turned off, the ECM

 Internal Control Module Monitoring Processor Performance (P060A)

MONITOR DESCRIPTION The main CPU and sub CPU of the ECM perform data communication between each other. The main CPU monitors the communication and WDC pulses from the sub CPU. When the signal malfunctions below are detected, this DTC is stored. DTC No. Detection Item DTC Detection Condition