DTC U0433:00 [INSTRUMENT CLUSTER]

id0902e8016300

Description

Error signal received from laser sensor
Detection condition
•  Instrument cluster detects the following conditions:
―  Malfunction of laser sensor or smart city brake support related system (laser sensor, DSC HU/CM, PCM)
―  Laser sensor control is temporarily inhibited.
Fail-safe
•  Detection condition: Malfunction in laser sensor or smart city brake support related system (laser sensor, DSC HU/CM, PCM)
―  Inhibits the smart city brake support control.
―  Warning message related to the smart city brake support is displayed in the center display. (with center display)
•  Detection condition: Laser sensor control is temporarily inhibited.
―  Temporarily inhibits the smart city brake support control.
Possible cause
•  System related to the smart city brake support stores DTCs.
•  The laser sensor cannot temporarily function due to dirt on the windshield.
•  Laser sensor malfunction
•  Instrument cluster malfunction
System wiring diagram
Not applicable

Diagnostic Procedure

Step

Inspection

Action
1
VERIFY ALL SYSTEM DTCs
•  Switch the ignition off.
•  Switch the ignition ON (engine off or on) and wait for 10 s or more.
•  Perform a CMDTC self-test using the M-MDS.
•  Are any DTCs other than DTC U0433:00 displayed?
Yes
Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [LASER SENSOR].)
(See DTC TABLE [DSC HU/CM].)
(See DTC TABLE [SKYACTIV-G 1.3, SKYACTIV-G 1.5].)
(See DTC TABLE [SKYACTIV-D 1.5].)
(See DTC TABLE [INSTRUMENT CLUSTER].)
No
Go to the next step.
2
VERIFY DTCs AGAIN
•  Clear the DTC for the instrument cluster using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 10 s or more.
•  Perform a CMDTC self-test using the M-MDS.
•  Is the same DTC displayed?
Yes
Go to the next step.
No
Go to Step 6.
3
VERIFY CENTER DISPLAY
•  Verify the center display.
•  Is the “SCBS Clean front windshield” displayed in the center display?
Yes
Clean the windshield, then go to the next step.
No
Go to Step 5.
4
VERIFY IF MALFUNCTIONING LOCATION IS LASER SENSOR DEPENDING ON REPEATABILITY
•  Clear the DTC for the instrument cluster using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 10 s or more.
•  Perform a CMDTC self-test using the M-MDS.
•  Is the same DTC displayed?
Yes
Replace the laser sensor, then go to the next step.
(See LASER SENSOR REMOVAL/INSTALLATION.)
No
Go to Step 6.
5
VERIFY THAT REPAIRS HAVE BEEN COMPLETED
•  Clear the DTC for the instrument cluster using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 10 s or more.
•  Perform a CMDTC self-test using the M-MDS.
•  Is the same DTC displayed?
Yes
Replace the instrument cluster, then go to the next step.
(See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)
No
Go to the next step.
6
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 [INSTRUMENT CLUSTER].)
No
DTC troubleshooting completed.