1993 VOLKSWAGEN CORRADO door lock

ELECTRICAL COMPONENT LOCATOR
Article Text (p. 17)
1993 Volkswagen Corrado
For Volkswagen Technical Site: http://vw.belcom.ru
Copyright © 1998 Mitchell Repair Information Company, LLC
Wednesday, March 22, 2000 09:09PMAuto. Shoulder Belt
Control Unit On each shoulder belt drive
motor, behind left & right
door "B" pillar.Central Locking Control Unit On right side of luggage
compartment.
Cooling Fan Control Module On left side of engine
compartment.
Cruise Control Unit Behind center console.

ELECTRICAL COMPONENT LOCATOR
Article Text (p. 21)
1993 Volkswagen Corrado
For Volkswagen Technical Site: http://vw.belcom.ru
Copyright © 1998 Mitchell Repair Information Company, LLC
Wednesday, March 22, 2000 09:09PM
Auxiliary Electric Coolant Pump On rear of engine.
Blower Motor In bottom of lower air duct on
right side.Door Lock Bi-Pressure Pump Built-in with central locking
control unit.
Fuel Pump Mounted in fuel tank.
Washer Pump Motor Bottom of washer fluid
reservoir, on left inner
fender panel.
Windshield Wiper Motor On center of firewall.
SENDING UNITS & SENSORSÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄComponent Component Location
ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄABS Wheel Speed Sensor Mounted near each wheel hub
assembly.
Auto. Shoulder Belt Lock

DOOR LOCKS - POWER
Article Text
1993 Volkswagen Corrado
For Volkswagen Technical Site: http://vw.belcom.ru
Copyright © 1998 Mitchell Repair Information Company, LLC
Wednesday, March 22, 2000 09:08PM
ARTICLE BEGINNING
1993 ACCESSORIES & EQUIPMENT
Volkswagen Power Door Locks
Volkswagen; Corrado SLC, Passat
DESCRIPTION & OPERATION
Power locks are an electronically controlled, vacuum operated
system. Components include bi-pressure pump, tubing and an activator
for each door. See Fig. 1, 2 or 3.
The power lock system operates from either passenger or driver's door
lock. If the key is inserted in either door or trunk lock and held in
the unlock position, all locks will be operated simultaneously. Power
lock system will not operate on door(s) or trunk lid if left
unlatched.Fig. 1: Power Door Lock System Vacuum Diagram &
Component Locator (Corrado SLC)
Courtesy of Volkswagen United States, Inc.

DOOR LOCKS - POWER
Article Text (p. 2)
1993 Volkswagen Corrado
For Volkswagen Technical Site: http://vw.belcom.ru
Copyright © 1998 Mitchell Repair Information Company, LLC
Wednesday, March 22, 2000 09:08PMFig. 2: Power Door Lock System Vacuum Diagram &
Component Locator (Passat)
Courtesy of Volkswagen United States, Inc.Fig. 3: Power Door Lock System Vacuum Diagram &
Component Locator (Passat Wagon)
Courtesy of Volkswagen United States, Inc.

DOOR LOCKS - POWER
Article Text (p. 3)
1993 Volkswagen Corrado
For Volkswagen Technical Site: http://vw.belcom.ru
Copyright © 1998 Mitchell Repair Information Company, LLC
Wednesday, March 22, 2000 09:08PM
TROUBLE SHOOTING
SYSTEM DOES NOT OPERATE
1) Power & Ground Check
Obtain radio security code. Disconnect battery cable
terminals. Disconnect control module 12-pin connector. Connect
negative lead to control module wiring harness connector terminal No.
"3". See Fig. 4. Connect positive voltmeter lead to terminals No. "1".
If voltage is present, go to next step. If voltage is not present,
repair open circuit.Fig. 4: Identifying Control Module Wiring Harness Connector Terminals
Courtesy of Audi of America, Inc.
2) Door Lock Switch Check (Driver's Door)
Connect negative lead to control module wiring harness
connector terminal No. "3". Connect positive voltmeter lead to
terminals No. "7". Insert key in driver's door and turn to lock
position. If voltage is present, go to next step. If voltage is not
present, repair circuit or switch as necessary.
3) Door Lock Switch Check (Passenger's Door)
Connect negative lead to control module wiring harness
connector terminal No. "3". Connect positive voltmeter lead to
terminals No. 10. Insert key in passenger's door and turn to unlock
position. If voltage is present, go to next step. If voltage is not
present, repair circuit or switch as necessary.
4) Activator Check
Reconnect control module 12-pin connector. Open trunk lid.
Close all doors and lock with key. Disconnect control module 12-pin
connector. Connect ohmmeter negative lead to control module wiring
harness connector terminal No. "3". Connect positive lead to terminal
No. "4". If continuity is present, go to next step. If continuity is
not present, repair circuit or activator as necessary.
5) Reconnect control module 12-pin connector. Open trunk lid.
Unlock all doors with key. Disconnect control module 12-pin connector.
Connect voltmeter negative lead to control module wiring harness
connector terminal No. "3". Connect positive lead to terminal No. "4".
If voltage is present, replace bi-pressure pump and control module. If
voltage is not present, repair circuit or activator as necessary.

DOOR LOCKS - POWER
Article Text (p. 4)
1993 Volkswagen Corrado
For Volkswagen Technical Site: http://vw.belcom.ru
Copyright © 1998 Mitchell Repair Information Company, LLC
Wednesday, March 22, 2000 09:08PM
VACUUM SYSTEM CHECK
Door Lock System Does Not Operate
Locate vacuum hose junction. See Fig. 1, 2 or 3. Individually
remove vacuum hose from junction box. Plug junction box port. If door
lock system operates, repair vacuum in hose. If door lock system does
not operate, repeat procedure for all other vacuum circuit at junction
box.
TESTING
SYSTEM TEST
Ensure vehicle battery is fully charged, fuses are okay and
no leaks are present in vacuum system. When activated, bi-pressure
should operate longer than 5 seconds and then pulse.
CONTROL MODULE TEST
Perform all procedures under TROUBLESHOOTING. If system still
does not perform correctly, replace control module.
REMOVAL & INSTALLATION
CAUTION: When battery is disconnected, vehicle computer and memory
systems may lose memory data. Driveability problems may
exist until computer systems have completed a relearn
cycle. See COMPUTER RELEARN PROCEDURES article in GENERAL
INFORMATION before disconnecting battery.
BI-PRESSURE PUMP
Removal & Installation
Remove right rear luggage trim. Remove bi-pressure pump
bracket and insulation. Remove bi-pressure pump. See Fig. 5. To
install, reverse removal procedure.Fig. 5: Locating Bi-Pressure Pump
(Corrado SLC Is Shown; Passat Is Similar)
Courtesy of Volkswagen United States, Inc.

DOOR LOCKS - POWER
Article Text (p. 5)
1993 Volkswagen Corrado
For Volkswagen Technical Site: http://vw.belcom.ru
Copyright © 1998 Mitchell Repair Information Company, LLC
Wednesday, March 22, 2000 09:08PM
FUEL DOOR ACTIVATOR
Removal & Installation
Remove pressure line. Remove mounting screws. See Fig. 6.
Open activator hinge and unhook linkage. Remove activator. To install,
reverse removal procedure.Fig. 6: Exploded View Of Fuel Door Activator
Courtesy of Volkswagen United States, Inc.
FRONT DOOR MASTER ACTIVATORS
Removal & Installation
Close window and remove door trim. Remove vacuum hose and
connector from switch element. See Fig. 7. Open activator hinge.
Unhook lock linkage. Remove front master activator. To install,
reverse removal procedure.Fig. 7: Locating Front Master Activator
Courtesy of Volkswagen United States, Inc.

DOOR LOCKS - POWER
Article Text (p. 6)
1993 Volkswagen Corrado
For Volkswagen Technical Site: http://vw.belcom.ru
Copyright © 1998 Mitchell Repair Information Company, LLC
Wednesday, March 22, 2000 09:09PM
REAR DOOR MASTER ACTIVATORS
Removal & Installation
Close window and remove door trim. Remove pressure line and
connector from switch element. See Fig. 8. DISCONNECT inner door
opening mechanism and locking rod. Remove vacuum hose from retaining
clips. Open activator hinge. Unhook lock linkage. Remove rear master
activator. To install, reverse removal procedure.Fig. 8: Locating Front Master Activator
Courtesy of Volkswagen United States, Inc.
LIFTGATE ACTIVATOR
Removal & Installation
Rotate liftgate activator clips 1/4 turn to unlock. See
Fig. 9. Remove inner panel. Remove pressure line from activator.
Remove tension rod clip. Remove mounting bolts. Remove activator. To
install, reverse removal procedure.Fig. 9: Locating Trunk Lid Activator Clips
Courtesy of Volkswagen United States, Inc.