| CHECK TO BE PERFORMED | RESOLUTION IF THE CHECK IS NOT OK |
|---|
| 1 | Connect the diagnostic instrument in Voltmeter mode with the positive terminal on Pin 1 and the negative earthed to Pin 3 of the alarm siren See P090 ALARM SIRENThe direct voltage reading should be 12 Volt. | Restore the connections between the Body Computer node, siren and earth See E7015 ALARM |
| 2 | Disconnect the siren connectora Body Computer connector B and check the continuity of the wiring between Pin 2 of the siren connector and Pin 25 of Body Computer connector B See P090 ALARM SIREN See M001 BODY COMPUTER | Restore wiring continuity See E7015 ALARM |
| 3 | Check the insulation of the earth line See E7015 ALARM | Restore wiring insulation |
| 4 | Replace the siren | |
