244000512 - N20 HORNS NOT WORKING

STEPOPERATIONS TO BE CARRIED OUTTEST RESULTS
1ELECTRICAL SYSTEM CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check the condition of the horn circuit fuse    See E3010 HORNSMove on to StepFuse blownFind out the reason for the blown fuse and repair the circuit    See E3010 HORNS
2ELECTRICAL SYSTEM CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check continuity between earth and horn circuit relay input    See E3010 HORNSMove on to Step1. Connections inefficient1. Restore correct operation
2. Horn button defective2. Replace horn button    See E3010 HORNS
3ELECTRICAL SYSTEM CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check:

  • Correct horn control relay operation
  • Correct horn control relay power supply
Move on to Step1. Relay defective.1. Replace the defective relay
2. Relay supply fault2. Restore correct operation    See E3010 HORNS
4ELECTRICAL SYSTEM CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check horn earth connection efficiency    See E3010 HORNSMove on to StepEarth inefficientRestore earth connection    See E3010 HORNS
5ELECTRICAL SYSTEM CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check the efficiency of the horn positive supply lead    See E3010 HORNSMove on to StepConnections inefficientRestore supply connection    See E3010 HORNS
6CHECK ON CORRECT OPERATIONALL OKPROBLEMS ENCOUNTEREDACTION
Check correct horn operationHorn not workingChange the horn    See E3010 HORNS