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Home >> Volvo >> 2009 >> C30 R-Design, Automatic >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Gas Discharge Lamp Module (GDL) And Headlamp Control Module (HCM) - Specifications, Electrical/Electronic >> Signal Description, Gas Discharge Lamp Module (GDL) >> Signal Specification >> Signal Table
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Signal Table

Connector A, GDL-Master 

Fig 1: Identifying Gas Discharge Lamp Module (GDL) Connector A Terminals
GLL167057Courtesy of VOLVO CARS CORPORATION
SIGNALS BETWEEN GDL-MASTER AND AXLE SENSOR

Terminal GDL-Master  Signal type  Miscellaneous 
A:1 Signal, front axle sensor 0.5 - 4.5 V
A:2 Signal, rear axle sensor 0.5 - 4.5 V
A:3 Voltage feed, axle sensors 5.0 ± 0.5 V/15 mA
A:4 Ground, the axle sensors 0 V/15 mA
SIGNALS BETWEEN GDL-MASTER AND CEM

Terminal GDL-Master  Signal Type  Miscellaneous 
A:5 High beam 13.5 V/0.6 - 1.2 A
A:6 Power supply 13.5 V/<1.5 A
A:9 Dipped beam 13.5 V/3 - 10 A
A:12 LIN IN 0 V - Ubat
SIGNALS BETWEEN GDL-MASTER AND GDL-SLAVE

Terminal GDL-Master  Signal type  Miscellaneous 
A:11 LIN OUT 0 V - Ubat

Connector B, GDL-Master 

Fig 2: Identifying Gas Discharge Lamp Module (GDL) Connector B Terminals
GLL167114Courtesy of VOLVO CARS CORPORATION
SIGNALS BETWEEN GDL-MASTER/SLAVE AND RESPECTIVE HEADLIGHT

Terminal GDL-Master  Signal type 
B:1 Igniter Z+
B:2 Ground height motor
B:3 Signal magnet
B:4 Voltage feed magnet
B:5 Igniter Z-
B:6 Igniter ZH
B:7 Signal height motor
B:8 Voltage feed height motor