Lost Communication with Main Body ECU (U0142,U0208)
ComponentsLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Sfi System: Engine Coolant Temperature Sensor 1 Circuit Short to Ground (P011511)
DESCRIPTION A thermistor, whose resistance value varies according to the engine coolant temperature, is built into the engine coolant temperature sensor. The structure of the sensor and its connection to the ECM are the same as those of the intake air temperature sensor. HINT: When DTC P011511 is st ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Automatic Transaxle System: Brake Switch "B" Circuit Short to Battery (P070312)
DESCRIPTION The purpose of the stop light switch signal circuit is to prevent the engine from stalling when the brakes are suddenly applied while driving in the lock-up condition. When the brake pedal is depressed, the stop light switch assembly sends a signal to the ECM. The ECM then cancels the op ...