DTC U2300:54 [MAZDA ERA-GLONASS CONTROL MODULE]

id0902r6083100

Description

Configuration error (data not received)
Detection condition
•  Mazda ERA-GLONASS control module cannot receive configuration data from instrument cluster with the ignition switched to ON (engine off or on).
Fail-safe
•  In factory mode: The mode cannot be switched from factory mode to market mode because test mode cannot be activated.
•  In market mode: Because the configuration data (VIN) stored in the Mazda ERA-GLONASS control module does not correspond with the vehicle configuration data (VIN), an emergency call (both manual and auto) is not made (to prevent theft of Mazda ERA-GLONASS control module).
Test mode is not activated
Possible cause
•  DTCs are stored in the instrument cluster.
?  Instrument cluster configuration not implemented
?  Instrument cluster internal memory malfunction
•  Mazda ERA-GLONASS control module malfunction
System wiring diagram
Not applicable

Diagnostic Procedure

Step

Inspection

Action
1
VERIFY OTHER MAZDA ERA-GLONASS CONTROL MODULE DTCs
•  Clear the DTC for the Mazda ERA-GLONASS control module using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 25 s or more.
•  Perform the DTC inspection for the Mazda ERA-GLONASS control module using the M-MDS.
•  Is DTC U3000:00 displayed?
Yes
Replace the Mazda ERA-GLONASS control module, then go to the Step 4.
(See MAZDA ERA-GLONASS CONTROL MODULE REMOVAL/INSTALLATION.)
No
Go to the next step.
2
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.
(See DTC TABLE [INSTRUMENT CLUSTER].)
No
Go to the next step.
3
RESET CONFIGURATION DATA FROM INSTRUMENT CLUSTER TO MAZDA ERA-GLONASS CONTROL MODULE
•  Using the M-MDS, perform the instrument cluster configuration (using As-Built data).
•  Clear the DTC for the Mazda ERA-GLONASS control module using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 25 s or more.
•  Perform the DTC inspection for the Mazda ERA-GLONASS control module using the M-MDS.
•  Is the same DTC displayed?
Yes
Using the M-MDS, perform the instrument cluster configuration (using As-Built data) again, then go to the next step.
(See INSTRUMENT CLUSTER CONFIGURATION (USING AS-BUILT DATA).)
No
Go to Step 5.
4
VERIFY THAT REPAIRS HAVE BEEN COMPLETED
•  Clear the DTC for the Mazda ERA-GLONASS control module using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 25 s or more.
•  Perform the DTC inspection for the Mazda ERA-GLONASS control module using the M-MDS.
•  Is the same DTC displayed?
Yes
Repeat the inspection from Step 1.
•  If the malfunction recurs, replace the Mazda ERA-GLONASS control module.
Go to the next step.
No
Go to the next step.
5
VERIFY IF OTHER DTCs DISPLAYED
•  Are any other DTCs displayed?
Yes
Repair the malfunctioning location according to the applicable DTC troubleshooting.
(See DTC TABLE [MAZDA ERA-GLONASS CONTROL MODULE])
No
DTC troubleshooting completed.