Work Procedure
1. Preparatory work.1.1 Remove battery. -> Workshop Manual 270619 Removing and installing battery.
1.2 Remove luggage compartment cover. -> Workshop Manual '703019 Removing and installing luggage compartment cover'
1.3 Remove covers at the left and right close to the cowl panel. -> Workshop Manual '852219 Removing and Installing cover'
1.4 Remove cowl panel cover. -> Workshop Manual '508719 Removing and installing cover.
1.5 Only for vehicles with a telephone:
Remove radio antenna (telephone) from cowl panel cover. -> Workshop Manual '914719 Removing and Installing radio antenna'
2. Install GPS antenna. -> Workshop Manual 911319 Removing and installing GPS antenna'
2.1 Insert speed nut (999.507.441.02) in cowl panel.
2.2 Position GPS antenna and secure with a tapping screw (999.073.210.00).
3. Only for vehicles with a telephone:
Fit radio antenna (telephone) on cowl panel cover. -> Workshop Manual '914719 Removing and installing radio antenna'
4. Install PCM display and operator control unit.
4.1 Remove "CD player" car radio. -> Workshop Manual 912419 Removing and installing "CD player car radio section on "Removing"
4.2 Install PCM display and operator control unit. Workshop Manual '911019 Removing and installing PCM display and operator control unit section on "Installing"
5. Route GPS antenna cable.
5.1 Only for vehicles with carbon canister:
Loosen carbon canister. -> Workshop Manual '202519 Removing and installing carbon canister'
5.2 Open the locking mechanism for the plug socket and remove plug socket from the GPS antenna cable.
5.3 Loosen trim panel for luggage compartment pan on the front panel.
5.4 Punch rubber grommet --> Figure 4 -A- from the front panel.
5.5 Route and secure GPS antenna cable -> Figure 4 -H- as follows:
Navigation unit installation position -> through rubber grommet -> along wire harness -> right plenum panel.
5.6 Fit plug socket to GPS antenna cable and close locking mechanism.
ATTENTION
The optical waveguide can become damaged due to incorrect installation or if the requirements for handling optical waveguides are not followed.
-> Observe the requirements for working with optical waveguides -> Workshop Manual '9772IN Optical waveguide - MOST bus'
6. Route the optical waveguide.
6.1 Only for vehicles with Tire Pressure Monitoring control unit:
Remove fastening screws on Tire Pressure Monitoring control unit and lay control unit to one side. -> Workshop Manual '443419 Removing and installing Tire Pressure Monitoring control unit - section on "Removing"'
6.2 Remove connection point holder.
6.2.1 Only for vehicles with optical waveguide component (CD changer and/or amplifier) in front luggage compartment:
Disconnect optical waveguide connection point -> Figure 5 -B-.
6.2.2 Remove connection point holder -> Figure 5 -A- from plenum panel using pointed-nose pliers.
6.3 Only for vehicles with optical waveguide components in the front luggage compartment:
Pull off protection cap -> Figure 6 -A- on optical waveguide.
6.4 Route optical waveguide from optical waveguide Connection point -> Figure 7 -A- along the front panel to the navigation unit installation position -> Figure 7 -B- and possibly to the amplifier -> Figure 7 -C- or CD changer and secure at this position.
6.5 Secure connection point holder to the front panel and join optical waveguide connection point.
6.6 Only for vehicles with optical waveguide component:
Permanently secure standard optical waveguide. This remains functionless in the vehicle.
6.7 Only for vehicles with Tire Pressure Monitoring control unit:
Insert Tire Pressure Monitoring control unit and tighten fastening screws. -> Workshop Manual '443419 Removing and installing Tire Pressure Monitoring control unit section on "Installing"
Warning
Risk of short circuit and fire due to work on vehicle electrical system.
-> When working on the electrical system, the battery must always be disconnected and covered.
-> Always route the electrical leads without tension and so that no chafing occurs. Secure to existing harnesses/components with tie-wraps/electrical tape.
7. Connect electric wires.
7.1 Preparatory work.
7.2 Cut electric wire to size in accordance with the component arrangement.
7.3 Connect RD/GN 1.0 sq. wire (terminal 30) from retrofit kit to RD/GN 0.5 sq. wire (terminal 30) for CD changer.
7.3.1 Cut RD/GN 0.5 sq. wire approx. 10 cm behind the connector for the CD changer wire.
7.3.2 Strip both ends of RD/GN 0.5 sq. wire from the CD changer and end of RD/GN 1.0 sq. wire from the retrofit kit.
7.3.3 Slide shrink-fit hose over RD/GN 0.5 sq. wire from the CD changer.
7.3.4 Crimp both RD/GN 0.5 sq. wires and RD/GN 1.0 sq. wire together as a splice using a cable connection.
7.3.5 Slide shrink-fit hose over the cable connection and shrink the hose with a hot-air gun. -> Figure 8 -A-.
7.4 Connect WH/RD 0.35 sq. wire (Wake Up) to WH/RD 0.35 sq. wire (Wake Up) from CD changer as described in Step 8.3.
7.5 Connect BN 0.5 sq. wire (terminal 31) to BN 0.5 sq. wire (terminal 31) from CD changer as described in Step 8.3.
7.6 Wrap electrical tape around wire harness.
8. Complete the vehicle.
8.1 In the front luggage compartment:
Guide optical waveguide and antenna cable through the trim panel for the luggage compartment pan and secure trim panel for luggage compartment pan at the front panel.
Note
The navigation unit is located next to or on the CD changer, depending on the equipment I No.
8.2 Secure navigation unit. -> Workshop Manual 911219 Removing and installing navigation unit.
8.2.1 Fit retaining clips (997.642.342.01) into the retaining frame and slide the navigation unit into the retaining frame until the navigation unit engages securely.
8.2.2 Insert electric connectors, optical waveguide and antenna line until the connectors engage securely.
8.2.3 Position the navigation unit with retaining frame on the body. slide it into the holder, and check for secure fit.
8.3 Seal rubber grommet with adhesive compound.
8.4 Only for vehicles with carbon canister:
Secure carbon canister. -> Workshop Manual '202519 Removing and installing carbon canister section on "installing"
8.5 Install luggage compartment cover. -> Workshop Manual '703019 Removing and installing luggage compartment cover - section on "Installing"
8.6 Install cowl panel cover. -> Workshop Manual '508719 Removing and installing cover - section on "Installing"
8.7 Install covers at the left and right close to the cowl panel. -> Workshop Manual '852219 Removing and installing cover- section on "Installing"
8.8 Install battery. -> Workshop Manual '270619 Removing and instating battery - section on "Installing"
8.9 Connect battery charger.
Warning
Sudden voltage interruption of the power supply to the control module.
^ Destruction of the control module.
-> During programming, it is essential to guarantee the power supply for the PIWIS Tester. It is essential to connect a battery charger with a current rating of at least 40 A to the vehicle battery.
-> Prior to disconnecting the control module, switch off the ignition and remove the ignition key.
Note
The PIWIS Tester 9718 instructions take precedence and in the event of a discrepancy these are the instructions that must be followed. Deviations may occur with later software versions.
The procedure described here has been structured in general terms; different text or additions may appear in the PIWIS Tester 9718,
9. Activate control units following installation.
9.1 PIWIS Tester P 9718 must be switched on and connected to the vehicle.
9.2 In the start-up screen of the PIWIS Off-line Client, call up the "Diagnostics" menu and select the vehicle type.
9.3 Select the "Special functions" menu item.
9.4 Select the "Vehicle handover" test step and confirm your selection by pressing "F8"
10. Code PCM 2.1 and navigation unit using the PIWIS Tester P 9718. -> Workshop Manual '911019 Removing and installing PCM display and operator control unit section on "Programming"
10.1 Select and code vehicle and "Instrument cluster" control unit.
10.2 Select and code vehicle and "Gateway" control unit.
10.3 Select and code "PCM2.1 MMI" control unit.
10.4 Select and code "PCM gateway" control unit.
10.5 Select and code "Navigation" control unit. -> Workshop Manual '911219 Removing and installing navigation unit section on "Coding"
10.6 After programming is complete, readout the fault memory of all systems, correct any existing faults, and erase the fault memory.
11. Disconnect battery charger, clip in battery cover and close lid.
12. Perform function test during test drive.
Warranty Information
References