Published: 11-May-2011

2007.0 Range Rover Sport (LS), 417-01

Exterior Lighting

Headlamp Leveling (G830857)

DIAGNOSIS AND TESTING
Overview

Two systems of headlamp leveling are available: static and dynamic. Prior to diagnosis, identify the headlamp leveling system installed to the vehicle. Dynamic headlamp leveling is only available on vehicles with an adaptive front lighting system (AFS).

For information on the description and operation of the systems, refer to section 417-01 - Exterior Lighting of the workshop manual.

Inspection and Verification
  1. Verify the customer concern.
  1. Visually inspect for obvious electrical faults.

Visual Inspection Chart

Mechanical Electrical
  • Headlamp leveling motor(s) and linkage(s) condition and installation
  • Lighting control switch and installation
  • Left-hand steering column multifunction switch and installation
  • Fuses
    • Battery junction box (BJB) - link 11E
    • Central junction box (CJB) - Fuse 61P
    • CJB - Fuse 56P
    • CJB - Fuse 27P
    • CJB - Fuse 62P
  • Wiring harness
  • Loose or corroded connector(s)
  • Battery junction box (BJB)
  • Central junction box (CJB)
  • Adaptive front lighting system (AFS) module
  • Headlamp power modules
  • Engine control module (ECM)
  • Anti-lock brake system (ABS) control module
  • Air suspension control module
  • Local interconnect network (LIN) circuits
  • Controller area network (CAN) circuits
  1. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
  1. Use the approved diagnostic system or a scan tool to retrieve any diagnostic trouble codes (DTCs) before moving onto the symptom chart or DTC index.
      • Because the DTCs are stored in more than one module, a complete vehicle read is recommended
      • Make sure that all DTCs are cleared following rectification
Symptom Chart
SymptomPossible causesAction
Headlamp leveling system inoperative
  • Fuse(s) blown
  • Leveling motor/linkage fault
  • Headlamp leveling circuit fault
  • Air suspension system fault
Check the fuse(s) condition (see visual inspection). Check the headlamp leveling motor and linkage condition. Check the headlamp leveling circuit. Refer to the electrical guides. Check for DTCs indicating headlamp leveling circuit and air suspension system fault(s).
Headlamp alignment incorrect
DTC index
NOTE:

Generic scan tools may not read the codes listed, or may read only 5-digit codes. Match the 5 digits from the scan tool to the first 5 digits of the 7-digit code listed to identify the fault (the last 2 digits give extra information read by the manufacturer-approved diagnostic system).

DTCDescriptionPossible causesAction
B1D3613Turn Indicator Switch
  • Left-hand steering column multifunction switch high resistance
Refer to the guided diagnostic routine for this code on the approved diagnostic system. Refer to the electrical guides and check the switch circuit, repair/renew as necessary.
B1D4013Lighting Switch Connection Circuit
  • Lighting control switch circuit: high resistance
Refer to the guided diagnostic routine for this code on the approved diagnostic system. Refer to the electrical guides and check the switch circuit, repair/renew as necessary.
U018287Lost Communication With Lighting Control Module - Front
  • CAN bus fault
  • AFS module disconnected
  • AFS module not configured/calibrated
  • AFS module failure
Refer to the Network Communications section of the workshop manual.
U300016Control Module
  • Circuit voltage below threshold
Check the battery condition and state of charge. Refer to section 414-00 - Charging System of the workshop manual. Check the control module circuits. Refer to the electrical guides.
U300017Control Module
  • Circuit voltage above threshold
Check the battery condition and state of charge. Refer to section 414-00 - Charging System of the workshop manual. Check the control module circuits. Refer to the electrical guides.
U300042Control Module
  • General memory failure
Refer to the warranty policy and procedures manual if a module is suspect.
U300055Control Module
  • Incorrect software loaded
  • CAN wiring to AFS module high resistance
  • Incorrect AFS module CAN configuration
 Configure the modules using the approved diagnostic system. Check for CAN DTCs.
U1A1449CAN Initialization Failure
  • Internal electronic failure
Check the power and ground circuits to the component. Refer to the electrical guides. Configure the module(s) using the approved diagnostic system. Refer to the warranty policy and procedures manual if a module is suspect.