244000462 - I05 DIPPED HEADLAMPS NOT WORKING

When the stalk switch wheel is operated with the key ON, the dipped beams do not work
STEPOPERATIONS TO BE CARRIED OUTTEST RESULTS
1INDIVIDUAL BULB CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check the condition of the bulbs and associated bulb holderMove on to Step1. Bulbs damaged1. Change bulbs    Op. 5540B25 DIPPED HEADLAMP BEAM (1), LH OR RH - R R
2. Front light cluster fault2. Repair or replace front light cluster    Op. 5540B10 EXTERIOR LIGHT DIMMER RESISTOR - R+R
2DIPPED HEADLAMP ELECTRICAL CIRCUIT CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check the following, in order:

  • Dipped headlamp fuses
  • Connections between battery, engine bay control unit, dipped beam relay and bulbs;
  • Bulb earth
Move on to Step1. Component defective1. Replace defective component (in the case of a fuse, find out what caused it to blow).
2. Connections interrupted2. Repair the connections    See E2011 DIPPED HEADLAMPS
3DIPPED HEADLAMP ELECTRICAL CIRCUIT CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check the following, in order:

  • Connections between battery, ignition switch, engine bay control unit, dipped beam relay, switch control unit and stalk unit;
  • Stalk unit earth;
Move on to Step1. Component defective1. Replace defective component (in the case of a fuse, find out what caused it to blow).
2. Connections interrupted2. Repair the connections    See E2011 DIPPED HEADLAMPS
4STEERING COLUMN SWITCH UNIT CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check that the stalk unit is working properly: particularly the dipped beam selector    See E2011 DIPPED HEADLAMPSMove on to StepStalk unit not working properlyReplace the steering column switch unit    Op. 5550A12 COMPLETE STALK UNIT - R+R FOR VERSIONS WITH AIR BAG
5DIPPED BEAM RELAY CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check the dipped beam relay is working properly    See E2011 DIPPED HEADLAMPSMove on to StepDipped beam relay not working properlyChange the dipped beam relay    Op. 5550A12 COMPLETE STALK UNIT - R+R FOR VERSIONS WITH AIR BAG
6IGNITION SWITCH CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check the ignition switch is operating correctly: particularly the dipped beam relay supply    See E2011 DIPPED HEADLAMPSMove on to StepIgnition switch faultRepair or replace the ignition switch    Op. 5520A12 IGNITION SWITCH ASSEMBLY - R R FOR VERSIONS WITH AIR BAG
7SWITCH CONTROL UNIT CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check the following, in order:

  • Correct power supply to switch control unit
  • Check that when an earth signal is activated from the stalk unit to the switch control unit, an earth signal leaves the switch control unit to control the dipped beam relay
Move on to Step1. Connections interrupted1. Repair the connections    See E2011 DIPPED HEADLAMPS
2. Switch control unit fault2. Replace switch control unit
8ENGINE BAY CONTROL UNIT CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check the following, in order:

  • Correct power supply to engine bay control unit;
  • Check that when an earth signal is activated from the switch control unit to the engine bay control unit, a battery voltage output is generated to control the bulbs.
Move on to Step1. Connections interrupted1. Repair the connections    See E2011 DIPPED HEADLAMPS
2. Engine bay control unit fault2. Change engine bay control
9CHECK ON CORRECT OPERATIONALL OKPROBLEMS ENCOUNTEREDACTION
Check that the fault is no longer present