Fault code 25: Diagnosis/troubleshooting

DIAGNOSIS/TROUBLESHOOTING (FAULT CODE 25)

Work instruction			Display OK	If not OK
1	Check fuse	Check fuse E 1	Step 2	Replace fuse E 1 -> End
2	Check wiring from ignition lock to fuse carrier for open circuit	Switch off ignition Pull off fuse E 1 Switch on ignition Measure voltage between fuse carrier (fuse E 1) pin 1 and ground	> 11 V Step 3	Step 5
3	Check the wire from the fuse carrier to the alarm system control module for open circuit	Switch off ignition Pull plug A off the alarm system control module Switch on ignition Measure voltage between plug A on control module pin 16 and ground	> 11 V Step 7	Step 4
4	Check the wire from the fuse carrier to the alarm system control module for open circuit	Switch off ignition Measure resistance between plug A on alarm system control module pin 16 and fuse E 1 pin 2	< 5 Step 6	Repair wiring harness -> End
5	Check wire from ignition lock to fuse carrier for open circuit	Switch off ignition Pull off the plug on the ignition lock Measure resistance between plug on ignition lock pin 86 S and fuse carrier (fuse E1) pin 1	< 5 Step 6	Repair wiring harness -> End
6	Repair ignition lock		-> End
7	Replace alarm system control module		-> End