DTC U3006-13 (VSA Control Unit)

DTC U3006-13 : IG1 Circuit Open

NOTE

Initial Diagnosis:
The initial on-board diagnosis occurs right after the vehicle condition is turned to the ON mode, and the ABS, VSA, and brake system indicator (amber) come on, and continues until the indicator goes off.
Regular Diagnosis:
The regular on-board diagnosis begins right after the ABS, VSA, and brake system indicator (amber) go off, and it continues until the vehicle condition is turned to the OFF (LOCK) mode.
Review "How to Troubleshoot the VSA System" before doing the DTC troubleshooting procedure.
Test-drive the vehicle according to local traffic conditions and regulations. Do not test-drive on a lift unless specified.
The possible causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.

Confirmation Procedure	Basic Condition: 12 volt battery voltage 9 - 16 V Operating Condition: Turn the vehicle to the ON mode, then wait 60 seconds or more.
Execution	Regular Diagnosis
Duration	About 60 seconds
DTC Type	1 drive cycle Brake system indicator (red) on (Dependant upon the conditions) Brake system indicator (amber) on ABS indicator on (Dependant upon the conditions) VSA indicator on
Fail Safe Action	None
Possible Cause	Open or Poor connection between the VSA modulator-control unit and the under-hood fuse/relay box (IG1 ABS/VSA line) Blown fuse (Under-hood fuse/relay box No. B5 (5 A)) VSA modulator-control unit internal failure