High Intensity Gas Discharge Lamp Control Modules -J343- and -J344-, Removing and Installing

High Intensity Gas Discharge Lamp Control Modules -J343- And -J344- From Approx. 04.00, Removing And Installing

CAUTION:
Before beginning repairs on the electrical system:
- Obtain the anti-theft radio security code.
- Switch off all electrical consumers.
- Switch ignition off and remove ignition key.
- Disconnect negative ( - ) battery terminal.
- When 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.

WARNING:
- HIGH VOLTAGE.
- Always disconnect negative ( - ) battery terminal prior to servicing any parts of the HID lamp system marked with the yellow "HIGH VOLTAGE!" symbol.
- After disconnecting battery, briefly turn headlights on and off in order discharge any residual voltage.

Removing

Left headlight:
- Remove battery.

Right headlight:
- Disconnect battery.







- Remove screw -1- and remove cover over expansion tank -arrow-.







- Remove nut -1- at activated charcoal filter -2-.
- Unclip breather pipes from retainers.
- Lay aside activated charcoal filter with connected pipes.

Both sides (continued):







- Remove screws -arrows-.
- Remove module from headlight.

Installing
Install in reverse order of removal, noting the following:
- Check gasket between igniter for HID lamp and headlight housing.
- Reinstall battery if necessary.
- Reconnect battery.

Tightening torques

Control module to headlight 1.2 Nm
Activated charcoal filter to body 10 Nm