DTC U2300:55 [PARKING ASSIST UNIT (ULTRASONIC)]


id0902q9242800

Description

Instrument cluster configuration not implemented

Detection condition
•  Parking assist unit (ultrasonic) received a signal which indicates the instrument cluster configuration is not performed with the ignition switched ON (engine off or on).
Fail-safe
•  Inhibits the smart city brake support [reverse] (SCBS R). (with smart city brake support [reverse] (SCBS R))
Possible cause
Note
•  To correctly write the configuration data sent from the instrument cluster to the parking assist unit (ultrasonic) to the parking assist unit (ultrasonic), 30 s or more need to have elapsed since the ignition was switched ON (engine off or on).
•  Instrument cluster configuration is not completed.
•  Instrument cluster malfunction
•  Parking assist unit (ultrasonic) malfunction
System wiring diagram
Not applicable

Diagnostic Procedure

Step

Inspection

Action

1
VERIFY OTHER PARKING ASSIST UNIT (ULTRASONIC) DTCs
•  Clear the DTC for the parking assist unit (ultrasonic) using the M-MDS.
•  Retrieve the parking assist unit (ultrasonic) DTCs using the M-MDS.
•  Is DTC U3000:49 displayed?
Yes
Replace the parking assist unit (ultrasonic), then go to the Step 4.
No
Go to the next step.
2
VERIFY ALL SYSTEM DTCs
•  Clear the DTC for the parking assist unit (ultrasonic) using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 30 s or more.
•  Retrieve the parking assist unit (ultrasonic) DTCs using the M-MDS.
•  Are there any modules other than the parking assist unit (ultrasonic) displaying DTC U2300:55?
Yes
Using the M-MDS, perform the instrument cluster configuration (using As-Built data) again, then go to the next step.
No
Go to Step 4.
3
VERIFY ALL SYSTEM DTCs AGAIN
•  Clear the DTC for the parking assist unit (ultrasonic) using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 30 s or more.
•  Perform a CMDTC self-test using the M-MDS.
•  Are there any modules other than the parking assist unit (ultrasonic) displaying DTC U2300:55?
Yes
Replace the instrument cluster, then go to the next step.
No
Go to the next step.
4
VERIFY THAT REPAIRS HAVE BEEN COMPLETED
•  Clear the DTC for the parking assist unit (ultrasonic) using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 30 s or more.
•  Retrieve the parking assist unit (ultrasonic) DTCs using the M-MDS.
•  Is the same DTC displayed?
Yes
Repeat the inspection from Step 1.
•  If the malfunction recurs, replace the parking assist unit (ultrasonic).
Go to the next step.
No
Go to the next step.
5
VERIFY IF OTHER DTCs DISPLAYED
•  Are any other DTCs displayed?
Yes
Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
No
DTC troubleshooting completed.