323000924 - I001 SIDE LIGHTS/NO. PLATE LIGHTS NOT WORKING

When the side light switch is operated, the side light/number plate lights do not work;
The activation signal for the side lights and the no. plate lights is supplied directly by the Body Computer Node.
Test results
1CHECK USING DIAGNOSTIC EQUIPMENTAll OKProblems encounteredOperation
Connect the Examiner diagnostic equipment to the diagnostic socket on the Body Computer Node and and check for errors.Move on to Step 2Presence of errors.Continue following the instructions for the diagnostic equipment.
2ELECTRICAL SYSTEM CHECKAll OKProblems encounteredOperation
- Check the continuity and the insulation of the wiring between the Exterior Lights Control and the Body Computer Node    See E2010 SIDE LIGHTS / NO. PLATE LIGHTS - Check the stalk connection to earth.Move on to Step 31. Wiring between stalk and Body Computer interrupted.2. Lighting stalk earth reference interrupted.1. Restore the electrical connection    See E2010 SIDE LIGHTS / NO. PLATE LIGHTS 2. Restore the electrical connection    See E2010 SIDE LIGHTS / NO. PLATE LIGHTS
3EXTERIOR LIGHTS CONTROL CHECKAll OKProblems encounteredOperation
Check the control on the stalk is intact    See E2010 SIDE LIGHTS / NO. PLATE LIGHTS Also check the operation of the body computer.End of diagnosis.1. Stalk switch not working.2. Body Computer defective.1. Replace the steering column switch unit    Op. 5550A10 STALK UNIT ASSEMBLY - R+R 2. Replace body computer    Op. 5505A35 MAIN BODY COMPUTER/JUNCTION UNIT - R.R.