DTC U2300:00 [START STOP UNIT]


id0902p6024600

Description

Configuration data not received from instrument cluster

Detection condition
•  Start stop unit cannot receive the configuration data from the instrument cluster for 1 s or more with the ignition switched ON (engine off or on).
Fail-safe function
•  Secures the correct data received right before the malfunction.
Possible cause
•  DTCs are stored in the instrument cluster.
•  Instrument cluster malfunction
•  Start stop unit malfunction
System wiring diagram
Not applicable

Diagnostic Procedure

Step

Inspection

Action

1
VERIFY INSTRUMENT CLUSTER DTCs
•  Retrieve the instrument cluster DTCs using the M-MDS.
•  Are any DTCs displayed?
Yes
Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
No
Go to the next step.
2
PERFORM DTC INSPECTION AND VERIFY INSTRUMENT CLUSTER MALFUNCTION
•  Clear the DTC for the start stop unit using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 1 s or more.
•  Retrieve the start stop unit DTCs using the M-MDS.
•  Is the same DTC displayed?
Yes
Replace the instrument cluster, then go to the next step.
No
Go to Step 4.
3
VERIFY THAT REPAIRS HAVE BEEN COMPLETED
•  Clear the DTC for the start stop unit using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 1 s or more.
•  Retrieve the start stop unit DTCs using the M-MDS.
•  Is the same DTC displayed?
Yes
Repeat the inspection from Step 1.
•  If the malfunction recurs, replace the start stop unit.
Go to the next step.
No
Go to the next step.
4
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.