DTC B264A

DTC B264A  : Indicator circuit short to power

DTC (Parking and Back-Up Sensor Control Unit)

NOTE:  If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A .

1. Problem verification

   -1. Clear the DTCs with the HDS.

   Clear DTCs

   -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

   -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 

   Replace the parking and back-up sensor switch .

3. Shorted wire check (SW 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 12P 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 12P 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 

   Replace the parking and back-up sensor control unit .