Body - Door Lock Rotary Switch Diagnostic Aid
57 07 08July 30, 2007
2015633 Supersedes T.B. Group 57 number 07-07 dated July 18, 2007 due to modified door ajar switch testing procedure.
Condition
Vehicle Information
Door Lock Rotary Switch Diagnostic Aid
Instrument cluster display shows door ajar, anti-theft alarm may intermittently sound, Battery may discharge and / or power door lock inoperative.
Technical Background
Information only, to assist with diagnosis of door lock rotary switch and / or door ajar switch.
Production Solution
No production change required.
Service
Tip:
When performing the following procedure, two keys will be required.
To Check Rotary Switch Function (all vehicles except Passat):
1. Roll windows down and close all doors.
2. Insert key into lock cylinder.
3. Rotate key to lock position and hold, windows should roll up.
4. Rotate key to unlock position, windows should roll down.
If windows do not operate as stated above:
1. Verify rotary position via Measured Value Block with VAS 5051/5052.
a. Select Guided Functions.
b. Select Door Control Module.
c. Read measure value block 5, function 4, Drivers Side Key Switch.
d. Cycle the key cylinder back and forth several times while monitoring measure value block 5, function 4.
Tip:
Ensure door is closed during the key cycling procedure.
After rotary position has been verified:
1. Check coding of comfort module.
After coding of comfort module has been verified:
1. Check wiring between door control module and lock before replacing any components.
To Check Door Ajar Switch (all vehicles):
1. Roll windows down and close all doors.
2. Open Door, instrument cluster should display open door.
3. Manually position door latch to closed position
4. Wait for instrument cluster open door display to turn OFF.
5. Move door back and forth and observe the open door display in instrument cluster.
The state of the door ajar should not change while performing this test.
If the state of the door ajar does change:
1. Verify mechanical adjustments and check wiring between door control module and lock before replacing any components.
Warranty
Information Only.
Required Parts and Tools
No Special Parts required.
No Special Tools required.
Additional Information
All part and service references provided in this Technical Bulletin are subject to change and/or removal.
Always check with your Parts Dept. and Repair Manuals for the latest information.