Lexus NX: General

 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

 Detecting Vehicle Submersion (B2277)

DESCRIPTION This DTC is stored when a malfunction in the water submersion detection circuit in the certification ECU (smart key ECU assembly) is detected. DTC No. Detection Item DTC Detection Condition Trouble Area Note B2277 Detecting Vehicle Submersion The water submersion detec