QX56 RWD V8-5.6L (VK56DE) (2006)
/Page-1796002.png)
Diagnostic Procedure For Optical Sensor
DIAGNOSTIC PROCEDURE FOR OPTICAL SENSOR
SYMPTOM: Optical sensor circuit is open or shorted. Using the CONSULT-II, DTC B257F or B2580 is displayed. Without a CONSULT-II, code 50
or 52 is indicated on front air control as a result of conducting the front air control self-diagnosis.
