Fault code 24: Diagnosis/troubleshooting

FAULT CODE 24 DIAGNOSIS PROCEDURE

Work instruction			Display OK	If not OK
1	Check battery.		Step 2	Charge or replace battery -> End
2	Check the generator.	Check generator voltage approx. 13 to 14 V when engine is running.	Step 3	Replace generator -> End
3	Check contact resistance of wire connections.	Switch off ignition Remove plug D from the air-conditioning system regulator Switch on ignition Measure voltage between plug D, air-conditioning system regulator pin 9 and ground Measure voltage between plug D, air-conditioning system regulator pin 7 and ground Measure voltage between plug D, air-conditioning system regulator pin 9 and pin 15	Battery voltage -> End	Check wiring harness for fuse E7. Check wiring harness for ground point 4. -> End