SECURITY LIGHT: 23, DTC: B10DA:62/P1260:00 [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)]


id0902e5358600

DTC

Security light flashing pattern

23

ID number data in instrument cluster and PCM do not match.

M-MDS display

Instrument cluster

B10DA:62

PCM

P1260:00

POSSIBLE CAUSE
•  Necessary procedures were not performed using M-MDS after replacing PCM.
•  Instrument cluster malfunction
•  PCM malfunction


Diagnostic Procedure

Step

Inspection

Action

1
VERIFY DTCs
•  Clear DTCs using the M-MDS.
•  Verify DTCs using the M-MDS.
•  Is a DTC displayed for either the instrument cluster or PCM, or both?
―  U0001:88
Yes
Repair the malfunctioning part according to the separate DTC inspection.
No
Go to the next step.
2
EXAMINE INSTRUMENT CLUSTER AND PCM
•   Perform programming of immobilizer system-related parts only when replacing the PCM
•  Clear DTCs using the M-MDS.
•  Verify DTCs using the M-MDS.
•  Are DTCs output again?
―  Instrument cluster: B10DA:62
―  PCM:P1260:00
Yes
•  Replace the instrument cluster and program the immobilizer system-related parts.
•  Go to the next step.
No
Go to Step 5.
3
EXAMINE PCM
•  Clear DTCs using the M-MDS.
•  Verify DTCs using the M-MDS.
•  Are DTCs output again?
―  Instrument cluster: B10DA:62
―  PCM:P1260:00
Yes
•  Replace the PCM and program the immobilizer system-related parts.
•  Go to the next step.
No
Go to Step 5.
4
Verify after repair
•  Clear DTCs using the M-MDS.
•  Verify DTCs using the M-MDS.
•  Are DTCs output again?
―  Instrument cluster: B10DA:62
―  PCM:P1260:00
Yes
Inspect DTC P1260:00. (See DTC P1260:00 [ZJ, ZY].)
No
Go to the next step.
5
VERIFY THAT NO OTHER DTCs ARE PRESENT
•  Verify if other DTCs are displayed.
•  Are any other DTCs output?
Yes
Perform the corresponding DTC inspection.
No
DTC troubleshooting completed.