DTC Troubleshooting: B264A
DTC B264A: Indicator Circuit Short to Power
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A.

DTC Description
DTC
B264A Indicator Circuit Short to Power
  

1.
Problem verification:

Problem verification
?1.
Clear the DTCs with the HDS.


?2.
Turn the vehicle to the OFF (LOCK) mode and then the ON mode.

?3.
Wait for at least 6 seconds.

?4.
Check for DTCs with the HDS.
DTC Description
DTC
B264A Indicator Circuit Short to Power
  

Is DTC B264A indicated?

     
YES
     
     
     
Go to step 2.
     
NO
     
     
     
Intermittent failure, the system is OK at this time. Check for loose or poor connections.?
2.
Parking and back-up sensor switch check:

Parking and back-up sensor switch check
?1.
Do the parking and back-up sensor switch test.

Is the parking and back-up sensor switch OK?

     
YES
     
     
     
Go to step 3.
     
NO
     
     
     
3.
Shorted wire check (C/SNSR IND line):

Shorted wire check (C/SNSR IND line)
?1.
Turn the vehicle to the OFF (LOCK) mode.

?2.
Disconnect the following connectors.
Parking and back-up sensor control unit 16P connector
Parking and back-up sensor switch 8P connector

?3.
Turn the vehicle to the ON mode.

?4.
Measure the voltage between test points 1 and 2.
Test condition
Vehicle ON mode
Parking and back-up sensor control unit 16P connector: disconnected
Parking and back-up sensor switch 8P connector: disconnected
Test point 1
Parking and back-up sensor control unit 16P connector No. 5
Test point 2
Body ground

Is there battery voltage?

     
YES
     
     
     
Repair a short to power in the wire.?
     
NO