Alcohol Interlock System - Wires, Routing And Connecting

• Route the wires so they cannot get clamped or worn out.

Installing

Prepare the vehicle interior for installation

-- Switch off the ignition.

-- Remove the rear left sill panel. Refer to SILL PANEL, REMOVING AND INSTALLING .

-- Remove the front and rear right sill panel. Refer to SILL PANEL, REMOVING AND INSTALLING .

-- Remove the right A-pillar lower trim panel. Refer to A-PILLAR TRIM PANEL, REMOVING AND INSTALLING .

-- Remove the Comfort System Central Control Module -J393- with the wires connected. Refer to COMFORT SYSTEM CENTRAL CONTROL MODULE -J393-, REMOVING AND INSTALLING .

-- Remove the rear carpet. Refer to CARPET, REMOVING AND INSTALLING .

-- Remove the glove compartment. Refer to GLOVE COMPARTMENT, REMOVING AND INSTALLING .

-- Disconnect the battery. Refer to BATTERY, DISCONNECTING AND CONNECTING .

Route and connect the LIN bus wire

-- Disconnect the connector -1- from the Comfort System Central Control Module -J393-.

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-- Cut the cable tie -1-.

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-- Release the connector housing -3- from the retainers -2- and remove the connector terminal strip -4- from the connector housing.

• Pay attention to the connector assignment PIN 4 -arrow- at the connector housing.

-- Insert the prepared LIN bus wire -2- into the connector strip terminal on Pin 4 -arrow-.

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-- Slide on the connector housing onto the connector strip terminal all the way and secure with cable ties.

-- Connect the connector on the comfort system central control module and install the central control module.

-- Route the LIN bus wire -4- from the Comfort System Central Control Module - J393- -1- forward along the wiring harness.

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-- Route the LIN bus wire -4- in front of the bench seat in the wire channel toward the right and further toward the front along the side sill up to the rear of the glove compartment.

Route the positive cable terminal 30 and connect

-- Lift the Relay and Fuse Panel 3 -SR3- -1-. Refer to COMPONENT LOCATION OVERVIEW - RELAY PANELS, FUSE PANELS AND E-BOXES .

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-- Open the clip -arrow- and press out the brown Fuse Panel J -SJ- -2- toward the rear.

-- Open the clamps -arrows- and remove the cover -1-.

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-- Remove the retaining strip -1- for the connectors -arrow-.

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-- Insert the prepared positive cable terminal 30 -1- on the rear side on location SJ9.

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-- Press in the retaining strip -3-.

-- Clip on the fuse panel cover.

-- Insert the Fuse Panel J -SJ- -2- in Relay and Fuse Panel 3 -SR3-.

-- Do not yet connect the fuse 20 A.

-- Route the terminal 30 positive cable -4- from the Relay and Fuse Panel 3 -SR3- -2- forward along the LIN bus wire.

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-- Route the LIN bus wire -4- in front of the bench seat in the wire channel toward the right and further toward the front along the side sill up to the rear of the glove compartment.

Route the ground wire terminal 31 and connect

-- Remove the nut from the ground connection -3-.

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-- Secure the prepared terminal 31 ground wire. Refer to the appropriate Wiring Diagrams, Component Locations: Ground Connections.

-- Combine the terminal 31 ground wire with the LIN bus wire and terminal 30 positive cable behind the glove compartment. Secure them every 20 cm with cable ties. (illustrated: LHD)

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Wire routing in glove compartment

-- Drill an 11 mm diameter hole in the glove compartment and install a grommet -1- 4B0 971 908 A.

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-- Combine the wires -2- in a mesh sleeve, add a heat-shrinkable tube and insert it through the grommet -1-, about 25 cm into the glove compartment.

-- Connect the alcohol interlock system inside the glove compartment, following the manufacturer instructions and secure it in the glove compartment.

-- Further installation is performed in reverse order of the removal.