DTC Troubleshooting: B264B

DTC B264B: Indicator Circuit Short to Ground

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

DTC Description	DTC
B264B Indicator Circuit Short to Ground

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
B264B Indicator Circuit Short to Ground

Is DTC B264B indicated?

Go to step 2.

Intermittent failure, the system is OK at this time. Check for loose or poor connections.?

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?

Go to step 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.

Check for continuity between test points 1 and 2.

Test condition	Vehicle OFF (LOCK) 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 1 M? or more?

Go to step 4.

Repair a short to ground in the wire.?

Open wire check (C/SNSR IND line):

Open wire check (C/SNSR IND line)

?1.

Check for continuity between test points 1 and 2.

Test condition	Vehicle OFF (LOCK) 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	Parking and back-up sensor switch 8P connector No. 1

Is there 1.0 ? or less?

Repair an open in the wire.?