Repair Manual MSG 90.6PG Commercial Vehicles, Omnibuses – November 2017
Material no. 1153450_c
2.4
Fault diagnosis
Page 14 of 16
TABLE OF CONTENTS
Step
no.
Inspect/operate
Result/specified status
Troubleshooting
6.2
• Release the belt latch at the belt buckle
(buzzing).
• Measure the resistance at the contacts in the
plug for vehicle connection (pin assignment for
Actros):
K4 (black)
Ω
K5 (blue)
<< 1
Ω
(
R
→
0)
(short-circuit)
≥
1
Ω
(
R
→ ∞
)
(interruption)
End of inspection.
Replace the belt buckle
contact (see Chapter 3.28).