Checking Program QOS - II
| Test | Test Equipment | Test | Notes | Nominal | ||
|---|---|---|---|---|---|---|
| Step | Multimeter | |||||
| MKM-587-A | of | |||||
| between | ||||||
| Value: | ||||||
| 01 | Voltmeter range 20V, DC | Voltage supply | K76, ter. 1 | K76, ter. 6 | · Disconnect wiring harness plug from control unit QOS - II K76 |
· Ignition "ON"
| · Measurement at wiring harness plug | > 11.5 V | |
|---|---|---|
| Troubleshooting: | Nominal Value: | Cause of Fault: |
· Ignition "ON"
· Measure voltage with multimeter
from: Control unit QOS - II K76, wiring harness plug ter. 1
| to: Ground | > 11.5 V | · Fuse F8 defective (Fuse F9D for Frontera) |
or
· Line interrupted
from: Fuse F8 (Fuse F9D for Frontera)
to: Control unit QOS - II K76, wiring harness plug ter. 1
· Measure resistance with multimeter
from: Control unit QOS - II K76, wiring harness plug ter. 6
| to: Ground | approx. 0 W | · Line interrupted |
from: Control unit QOS - II K76, wiring harness plug ter. 6
| to: Ground |