Toyota Corolla Cross: Crankshaft Position Sensor

 Update Ecu Security Key

UPDATE ECU SECURITY KEY NOTICE: It is necessary to log in to the Toyota server to perform an ECU security key update. Users other than Toyota dealers can log in with a guest account issued when an ECU is ordered. UPDATE ECU SECURITY KEY (a) Enter the following menus: System Select

 Rear Height Sensor Circuit Voltage Out of Range (B241A1C)

DESCRIPTION The headlight ECU sub-assembly LH determines the vehicle height and performs automatic headlight beam level control based on signals from the rear height control sensor sub-assembly LH via direct line. DTC No. Detection Item DTC Detection Condition Trouble Area B241A1