198001750 - I003 NUMBER PLATE LIGHTS NOT WORKING

the number plate lights are switched on separately (RH and LH) by the Body Computer Node when the Side Lights on or Parking Lights (four lights) on signals are received.
Test results
1CHECK USING DIAGNOSTIC EQUIPMENTAll OKProblems encounteredOperation
Connect the Examiner diagnostic equipment to the diagnostic socket and check the following at the Body Computer Node:- that there are no faultsMove on to Step 3No. plate lights short circuitd to earth or open circuitMove on to Step 2
2ELECTRICAL SYSTEM CHECKAll OKProblems encounteredOperation
Also check the condition of the affected RH or LH bulb- Check the continuity and insulation of the wiring between the connections on the Body Computer and the number plate light connector or the affected RH or LH wiring- Check the continuity and efficiency of the number plate light earth- Check that the number plate light bulb internal circuit is intact    See E2010 SIDE LIGHTS / NO. PLATE LIGHTS Move on to Step 31. Bulbs inefficient2. Connection between Body computer and number plate light connector O.C. or S.C.3. Earth interrupted or inefficient4. Connection with open circuit or short circuit1. Replace the bulbs or bulb2. Restore the electrical connection    See E2010 SIDE LIGHTS / NO. PLATE LIGHTS 3. Restore the electrical connection    See E2010 SIDE LIGHTS / NO. PLATE LIGHTS 4. Replace the light    Op. 5540A94 (ONE) NUMBER PLATE LIGHT - R.R.
3CHECK USING DIAGNOSTIC EQUIPMENTAll OKProblems encounteredOperation
Keeping the Examiner diagnostic equipment connected, check the operation of the number plate lights in active diagnosisEnd of diagnosisNo lights come onReplace body computer    Op. 5505A35 MAIN BODY COMPUTER/JUNCTION UNIT - R.R.