Access Start Authorization

Volkswagen Touareg: Access Start Authorization Page 1 / 25 94-10 Access Start Authorization Caution! When disconnecting and reconnecting battery terminals, observe all applicable Notes and torque specifications, as well as instructions on performing OBD program and electrical system function checks as specified in this Repair Manual. 27-4, Battery, disconnecting and reconnecting. Not adhering to proper disconnection sequence will result in deactivation of Main Battery Switch -E74- and subsequent damage to electrical system components. General information The Access/Start Authorization Switch E415 (ignition/starter switch) has electronic terminal control. The Anti-Theft Immobilizer Reading Module D1 and Ignition Switch Key Lock Solenoid N376 are integrated with Access/Start Authorization Switch E415 and cannot be serviced separately. Any malfunctions related to E415 operation are output via the Access/Start Control Module J518 On Board Diagnostic (OBD) program. The ignition key removal lock is released electromagnetically. The ignition key cannot be removed as long as the ignition is switched on and, for vehicles with automatic transmissions, the gear selector lever is not in the "P" position. The ignition key removal lock ensures that the ignition key is secure against being inadvertently pulled out. Ignition key removal lock function can be checked using Access/Start Control Module J518 On Board Diagnostic (OBD) program, "Output Diagnostic Test Mode (DTM)" 94-10, Access/Start Control Module J518, performing Output Diagnostic Test Mode (DTM). Access/Start Authorization Switch E415 is integrated with the lock cylinder and cannot be serviced separately. In the event E415 malfunctions, replace complete unit. In the event that Access/Start Control Module J518 requires replacement 94-10, Access/Start Control

/ 25 Module J518, replacing Before troubleshooting or servicing, technicians must be familiar with the functions and operation specifics of the start/access authorization system. Always read the owners manual and review applicable system functions. Additional information: Owners Manual Self Study Program - Course Number 89E303 "The Touareg" Self Study Program - Course Number 89J303 "The Touareg Electrical System Design and Function" Wiring Diagrams Component Locations On Board Diagnostic (OBD), function The Access/Start Control Module J518 is controlled by an internal microprocessor with On Board Diagnostic (OBD) capability. If malfunctions occur in monitored components, Diagnostic Trouble Codes (DTC) will be stored in memory. Troubleshoot Access/Start Authorization system malfunctions by performing OBD program using VAS 5051/5052 Tester in operating mode "Guided Fault Finding". Ignition key, emergency release If the power supply in the vehicle has been interrupted or the battery goes dead, the ignition key can be removed by operating a mechanical emergency release. - Turn ignition key to "OFF" position.

/ 25 - Depress push-button - arrow - with a screwdriver and hold. - Key may now be removed. Access/Start Authorization Switch E415, servicing Access/Start Authorization Switch E415, removing and installing Access/Start Authorization Switch E415 with integrated lock cylinder, Anti-Theft Immobilizer Reading Module D1 and Ignition Switch Key Lock Solenoid N376 are integrated and cannot be serviced separately. Special tools, testers and auxiliary items required Socket Tool T10152 Release Lever T10039 Wedge T10039/1

/ 25 Removing: Caution! When disconnecting and reconnecting battery terminals, observe all applicable Notes and torque specifications, as well as instructions on performing OBD program and electrical system function checks as specified in this Repair Manual. 27-4, Battery disconnecting and reconnecting sequence. Not adhering to proper disconnection sequence will result in deactivation of Main Battery Switch -E74- and subsequent damage to electrical system components. Caution! When removing switches, trim, covers or displays, prevent damage to visible areas by always applying appropriate tape to area surrounding the component, and the tools being used (screwdrivers, wedges etc.). - Disconnect battery 27-4, Battery, disconnecting and reconnecting. - Remove radio or radio-navigation system. Repair Manual, Communication, Repair Group 91, - Pry trim strip - 1 - out of retainers using wedge T10039/1. Disregard right-hand Tiptronic "paddle shifter" illustrated on German market vehicle.

/ 25 - Insert Socket Tool T10152 on Access/Start Authorization Switch E415 (line up notches). - Remove nut, grasp switch through radio opening and remove switch. - Disconnect electrical connection. Installing: Install in reverse order of removal, noting the following: - Hand tighten nut for switch by hand using Socket Tool T10152. Adaptation or coding of Access/Start Authorization Switch E415 after removing or installing is not necessary. Access/Start Authorization Switch E415, multi-pin connector assignments Connector, 12-pin 1 - Switch contact 2 2 - Solenoid for key lock

/ 25 3 - Voltage supply, negative 4 - Anti-theft immobilizer, shift lock 5 - Switch contact 1 6 - Switch contact 6 7 - Switch contact 3 8 - Immobilizer, Data 2 9 - Voltage supply, positive 10 - Switch contact 5 11 - Switch contact 4 12 - Immobilizer, Data 1 Access/Start Authorization Switch E415, checking Access/Start Authorization Switch E415 function can be checked using Access/Start Control Module J518 On Board Diagnostic (OBD) program function "Output Diagnostic Test Mode (DTM)" 94-10, Access/Start Control Module J518, performing Output Diagnostic Test Mode (DTM). Access/Start Authorization Button E408, servicing Where equipped, the Access/Start Authorization Button E408 enables starting and switching-off the engine without operating the ignition key. Access/Start Authorization Button E408, removing and installing Removing: Caution! When disconnecting and reconnecting battery terminals, observe all applicable Notes and torque specifications, as well as instructions on performing OBD program and electrical system function checks as specified in this Repair Manual. 27-4, Battery disconnecting and reconnecting sequence. Not adhering to proper disconnection sequence will result in deactivation of Main Battery Switch -E74- and subsequent damage to electrical system components. - Disconnect battery 27-4, Battery, disconnecting and reconnecting. - Remove gear selector cover

/ 25 Repair Manual, Body Interior, Repair Group 68, storage compartments, covers and panels; removing and installing center console. - Remove screws - arrows -. - Disconnect electrical connection. - Remove Access/Start Authorization Button E408. Installing: Install in reverse order of removal, noting the following: Adaptation or coding of Access/Start Authorization Button E408 after removing and installing is not necessary. Access/Start Control Module J518, servicing Access/Start Control Module J518, removing and installing Removing: Caution! When disconnecting and reconnecting battery terminals, observe all applicable Notes and torque specifications, as well as instructions on performing OBD program and electrical system function checks as specified in this Repair Manual. 27-4, Battery disconnecting and reconnecting sequence. Not adhering to proper disconnection sequence will result in deactivation of Main Battery Switch -E74- and subsequent damage to electrical system components. - Disconnect battery 27-4, Battery, disconnecting and

/ 25 reconnecting. - Remove lower storage compartment on drivers side. Repair Manual, Body Interior, Repair Group 68, - Push locking hooks of bracket outward - arrows B - and pull Access/Start Control Module J518-1 - behind bracket forward - arrow A -. - Pull/release retainer - 1 - in direction of - arrow A-. - Disconnect electrical connection - 2 - in direction of - arrow B -. - Disengage electrical connection - 3 - in direction of - arrow C -. - Remove Access/Start Control Module J518 from bracket. Installing: Install in reverse order of removal, noting the following:

/ 25 - Tab - 1 - must first be inserted upward in guide. - Then, tab - 2 - is clipped into bracket. If Access/Start Control Module J518 is replaced, work sequence 94-10, Access/Start Control Module J518, replacing must be performed. Access/Start Control Module J518, replacing - Connect Diagnostic Operation System VAS5051A 97-1, VAS 5051 / 5052. - In Diagnostic Operation System VAS5051A, select operating mode "Guided Fault Finding". - Using the "Go To" button, select "Functions/Component selection" and the following menu options in sequence: Body Electrical Equipment 01 - On Board Diagnostic (OBD) capable systems Anti-theft immobilizer Functions

/ 25 Replacing the access/start control module Access/Start Control Module J518, performing Output Diagnostic Test Mode (DTM) Depending on market version and optional equipment installed, the operation of the following components can checked using Output DTM of J518: Power steering column lock Power supply relay - terminal 15, activation Power supply relay - terminal 15SV, activation Power supply relay - terminal 75X Ignition key removal lock solenoid Ignition/starter switch Access/Start Authorization antenna - Connect Diagnostic Operation System VAS5051A 97-1, VAS 5051 / 5052. - In Diagnostic Operation System VAS5051A, select operating mode "Guided Fault Finding". - Using the "Go To" button, select "Functions/Component selection" and the following menu options in sequence: Body Body repair procedures 01 - On Board Diagnostic (OBD) capable systems Access/start authorization Functions Access/Start Control Module -J518-, output

/ 25 Diagnostic Test Mode (DTM) Access start authorization system - sensors antennas, servicing Access start authorization system - sensors antennas, component overview Use of system components depends on market version and optional equipment. Left rear outside door handle Integrated with door handle: Drivers Access/Start Authorization Antenna R134

/ 25 Left Rear Outside Door Handle Touch Sensor G417 Left Rear Outside Door Handle Central Locking Button E371 Note : Antenna R134 consists of two separate parts. One part is integrated with drivers outside door handle and the other in left rear outside door handle. Antennas can be replaced separately. In the event of touch sensor or locking button malfunctions, replace entire door handle assembly.. It is not necessary to adapt or to code access and start authorization control module after replacement. Removing and installing 94-10, Left rear outside door handle, removing and installing Checking 94-10, Access/Start Control Module J518, performing Output Diagnostic Test Mode (DTM) Drivers outside door handle Integrated with door handle: Drivers Access/Start Authorization Antenna R134 Drivers Outside Door Handle Touch Sensor G415 Drivers Outside Door Handle Central Locking Button E369 Note : Antenna R134 consists of two separate parts. One

/ 25 part is integrated with drivers outside door handle and the other in left rear outside door handle. Antennas can be replaced separately. In the event of touch sensor or locking button malfunctions, replace entire door handle assembly.. It is not necessary to adapt or to code access and start authorization control module after replacement. Removing and installing 94-10, Drivers outside door handle, removing and installing Checking 94-10, Access/Start Control Module J518, performing Output Diagnostic Test Mode (DTM) Interior Access/Start Authorization Antenna 2 R139 Component location: in center console, front Removing and installing 94-10, Interior Access/Start Authorization Antenna 2 R139, removing and installing Checking 94-10, Access/Start Control Module J518, performing Output Diagnostic Test Mode (DTM) Interior Access/Start Authorization Antenna 1 R138 Component location: In front of shift lever Removing and installing 94-10, Interior Access/Start Authorization Antenna 1 R138, removing and

/ 25 installing Checking 94-10, Access/Start Control Module J518, performing Output Diagnostic Test Mode (DTM) Front passengers outside door handle Integrated with door handle: Front Passengers Access/Start Authorization Antenna R135 Front Passengers Outside Door Handle Touch Sensor G416 Front Passengers Outside Door Handle Central Locking Button E370 Note : Antenna R135 consists of two separate parts. One part is integrated with front passengers outside door handle and the other in right rear outside door handle. Antennas can be replaced separately. In the event of touch sensor or locking button malfunctions, replace entire door handle assembly.. It is not necessary to adapt or to code access and start authorization control module after replacement. Removing and installing passenger-side outside door handle 94-10, Front passengers outside door handle, removing and installing Checking Front Passengers Access/Start Authorization Antenna R135 94-10, Access/Start Control Module J518, performing Output Diagnostic Test Mode (DTM)

/ 25 Right rear outside door handle Integrated with door handle: Front Passengers Access/Start Authorization Antenna R135 Right Rear Outside Door handle Touch Sensor G418 Right Rear Outside Door Handle Central Locking Button E372 Note : Antenna R135 consists of two separate parts. One part is integrated with front passengers outside door handle and the other in right rear outside door handle. Antennas can be replaced separately. In the event of touch sensor or locking button malfunctions, replace entire door handle assembly.. It is not necessary to adapt or to code access and start authorization control module after replacement. Removing and installing 94-10, Right rear outside door handle, removing and installing Checking 94-10, Access/Start Control Module J518, performing Output Diagnostic Test Mode (DTM) Access/Start Authorization Antenna (in rear bumper) R136 Note : Antenna R136 consists of two separate parts. One part is located on the left side of the rear bumper and the other on the right side. Removing and installing

/ 25 94-10, Access/Start Authorization Antenna (in rear bumper) R136, removing and installing Checking 94-10, Access/Start Control Module J518, performing Output Diagnostic Test Mode (DTM) Luggage Compartment Access/Start Authorization Antenna R137 Note : Antenna R137 location is dependent on market version and optional equipment installed. Antenna may be installed in three different locations in luggage compartment. Removing and installing 94-10, Luggage Compartment Access/Start Authorization Antenna R137, removing and installing Checking 94-10, Access/Start Control Module J518, performing Output Diagnostic Test Mode (DTM) Drivers outside door handle, removing and installing Integrated with door handle: Drivers Access/Start Authorization Antenna R134 Drivers Outside Door Handle Touch Sensor G415 Drivers Outside Door Handle Central Locking Button E369

/ 25 Antenna R134 consists of two separate parts. One part is integrated with drivers outside door handle and the other in left rear outside door handle. Antennas can be replaced separately. In the event of touch sensor or locking button malfunctions, replace entire door handle assembly.. It is not necessary to adapt or to code access and start authorization control module after replacement. Removing: - Remove left front outside door handle Repair Manual, Body Exterior, Repair Group 57, Front doors, removing and installing door handle. Installing: Install in reverse order of removal. Front passengers outside door handle, removing and installing Integrated with door handle: Front Passengers Access/Start Authorization Antenna R135 Front Passengers Outside Door Handle Touch Sensor G416 Front Passengers Outside Door Handle Central Locking Button E370 Antenna R135 consists of two separate parts. One part is integrated with front passengers outside door handle and the other in right rear outside door handle. Antennas can be replaced separately. In the event of touch sensor or locking button malfunctions, replace entire door handle assembly..

/ 25 It is not necessary to adapt or to code access and start authorization control module after replacement. Removing: - Remove right front outside door handle Repair Manual, Body Exterior, Repair Group 57, Front doors, removing and installing door handle. Installing: Install in reverse order of removal. Left rear outside door handle, removing and installing Integrated with door handle: Drivers Access/Start Authorization Antenna R134 Left Rear Outside Door Handle Touch Sensor G417 Left Rear Outside Door Handle Central Locking Button E371 Antenna R134 consists of two separate parts. One part is integrated with drivers outside door handle and the other in left rear outside door handle. Antennas can be replaced separately. In the event of touch sensor or locking button malfunctions, replace entire door handle assembly.. It is not necessary to adapt or to code access and start authorization control module after replacement. Removing: - Remove left rear outside door handle

/ 25 Repair Manual, Body Exterior, Repair Group 58, Rear doors, removing and installing door handle. Installing: Install in reverse order of removal. Right rear outside door handle, removing and installing Integrated with door handle: Front Passengers Access/Start Authorization Antenna R135 Right Rear Outside Door handle Touch Sensor G418 Right Rear Outside Door Handle Central Locking Button E372 Antenna R135 consists of two separate parts. One part is integrated with front passengers outside door handle and the other in right rear outside door handle. Antennas can be replaced separately. In the event of touch sensor or locking button malfunctions, replace entire door handle assembly.. It is not necessary to adapt or to code access and start authorization control module after replacement. Removing: - Remove right rear outside door handle Repair Manual, Body Exterior, Repair Group 58, Rear doors, removing and installing door handle. Installing:

/ 25 Install in reverse order of removal. Access/Start Authorization Antenna (in rear bumper) R136, removing and installing Antenna R136 consists of two separate parts. One part is located on the left side of the rear bumper and the other on the right side. It is not necessary to adapt or to code access and start authorization control module after replacement. Removing: Caution! Switch off all electrical consumers. Switch off ignition and remove ignition key. - Remove rear bumper cover Repair Manual, Body Exterior, Repair Group 63, Rear bumper, removing and installing bumper cover. - Disconnect antenna connections - arrows -. - Remove antennas - 1 - and - 2 - from foam reinforcement (note possibility of alternate version illustrated below).

/ 25 Alternate version: Release clips - 2 - and remove antenna - 1 -. Installing: Install in reverse order of removal. Luggage Compartment Access/Start Authorization Antenna R137, removing and installing Antenna R137 location is dependent on market version and optional equipment installed. Antenna may be installed in three different locations - arrows - in luggage compartment. It is not necessary to adapt or to code access/start authorization control module after antenna replacement. Removing: Caution! Switch off all electrical consumers.

/ 25 Switch off ignition and remove ignition key. - Remove luggage compartment loading floor carpet. - Disconnect antenna connection - 2 -. - Removed glued-on antenna - 1 - from luggage compartment floor. Installing: Install in reverse order of removal. Interior Access/Start Authorization Antenna 1 R138, removing and installing Interior Access/Start Authorization Antenna 1 R138 - arrow - is located in center console, in front of shift lever. It is not necessary to adapt or to code access/start authorization control module after antenna replacement.

/ 25 Removing: Caution! Switch off all electrical consumers. Switch off ignition and remove ignition key. - Remove center console Repair Manual, Body Interior, Repair Group 68, storage compartments, covers and panels; removing and installing center console. - Disconnect electrical connection - 3 - for antenna - 2-. - Remove screw - 5 -. - Release locating tab - 1 - from retainer - 4 - and remove antenna - 2 -. Installing: Install in reverse order of removal. Interior Access/Start Authorization Antenna 2 R139, removing and installing

/ 25 Interior Access/Start Authorization Antenna 2 R139 - arrow - is located in front portion of center console. It is not necessary to adapt or to code access/start authorization control module after antenna replacement. Removing: Caution! Switch off all electrical consumers. Switch off ignition and remove ignition key. - Where applicable, remove rear Climatronic controls Repair Manual, Heating Air Conditioning, Repair Group 87,. - Remove rearmost part of center console or front portion of center console Repair Manual, Body Interior, Repair Group 68, Storage compartments, covers and panels; removing and installing center console

/ 25 - Disconnect electrical connection - 1 - for antenna - 3-. - Remove screw - 2 -. - Release locating tab - 4 - from retainer - 5 - and remove antenna - 3 -. Installing: Install in reverse order of removal.