DTC U3000:04/U3000:42/U3000:49 [FORWARD SENSING CAMERA (FSC)]

id1502a3028500

Description

Forward sensing camera (FSC) internal malfunction
Detection condition
•  U3000:04
―  Forward sensing camera (FSC) detects an error in the image-related circuit in the forward sensing camera (FSC) for 1 s or more with the ignition switched ON (engine off or on).
•  U3000:42
―  Forward sensing camera (FSC) detects a NVRAM error in the forward sensing camera (FSC) with the ignition switched ON (engine off or on).
•  U3000:49
―  Forward sensing camera (FSC) detects a malfunction in the forward sensing camera (FSC) for 1 s or more with the ignition switched ON (engine off or on).
Fail-safe
•  U3000:04
―  Inhibits the lane departure warning system (LDWS).
―  Inhibits the lane-keep assist system.
―  Inhibits the high beam control (HBC) system.
―  Inhibits the adaptive LED headlights.
―  Inhibits the advanced smart city brake support (advanced SCBS) or smart city brake support [forward] (SCBS F).
•  U3000:42
―  Inhibits the lane departure warning system (LDWS).
―  Inhibits the lane-keep assist system.
―  Inhibits the high beam control (HBC) system.
―  Inhibits the adaptive LED headlights.
―  Inhibits the advanced smart city brake support (advanced SCBS) or smart city brake support [forward] (SCBS F).
•  U3000:49
―  Inhibits the lane departure warning system (LDWS).
―  Inhibits the lane-keep assist system.
―  Inhibits the high beam control (HBC) system.
―  Inhibits the adaptive LED headlights.
―  Inhibits the advanced smart city brake support (advanced SCBS) or smart city brake support [forward] (SCBS F).
Possible cause
•  Forward sensing camera (FSC) malfunction
System wiring diagram
Not applicable

Diagnostic Procedure

Step

Inspection

Action
1
VERIFY IF MALFUNCTIONING LOCATION IS FORWARD SENSING CAMERA (FSC) DEPENDING ON REPEATABILITY
•  Clear the DTC for the forward sensing camera (FSC) using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 31.5 s or more.
•  Retrieve the forward sensing camera (FSC) DTCs using the M-MDS.
•  Is the same DTC displayed?
Yes
Replace the forward sensing camera (FSC), then go to the next step.
(See FORWARD SENSING CAMERA (FSC) REMOVAL/INSTALLATION.)
No
Go to the next step.
2
VERIFY IF OTHER DTCs DISPLAYED
•  Are any other DTCs displayed?
Yes
Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [FORWARD SENSING CAMERA (FSC)].)
No
DTC troubleshooting completed.