Checking Program QOS - II
| Test | Test Equipment | Test | Notes | Nominal | ||
|---|---|---|---|---|---|---|
| Step | Multimeter | |||||
| MKM-587-A | of | |||||
| between | ||||||
| Value: | ||||||
| 03 | Ohmmeter range 20 MW | Coolant temperature switch S108 (S160, Campo / Brava MY'94) | K76, ter. 3 | Ground | · Ignition "OFF" | |
| · Remove relay CSD K138 from relay socket (All except Campo / Brava MY'95) | ||||||
| · Coolant temperature > 7 - 13 °C | approx 0 W | |||||
| · Coolant temperature < 3 °C |
· Measurements at wiring harness plug
Note:
| A detailed check of the function of the coolant temperature switch S108 (S160, Campo / Brava MY'94) is given in section 4.3 | > 20 MW | |
|---|---|---|
| Troubleshooting: | Nominal Value: | Cause of Fault: |
| · Disconnect wiring harness plug from coolant temperature switch S108 (S160, Campo / Brava MY'94) |
· Measure resistance with multimeter
from: Control unit QOS - II K76, wiring harness plug ter. 3
| to: Ground | > 20 MW | · Short circuit to ground |
from: Control unit QOS - II K76, wiring harness plug ter. 3
to: Coolant temperature switch S108 (S160, Campo / Brava MY'94), wiring harness plug ter. 1
· Measure resistance with multimeter
from: Control unit QOS - II K76, wiring harness plug ter. 3
| to: Coolant temperature switch S108, (S160, Campo / Brava MY'94) wiring harness plug ter. 1 | approx. 0 W | · Line interrupted or short circuit to voltage |
from: Control unit QOS - II K76, wiring harness plug ter. 3
to: Coolant temperature switch S108 (S160, Campo / Brava MY'94), wiring harness plug ter. 1
| If nominal values are attained: | · Coolant temperature switch S108 (S160, Campo / Brava MY'94) defective |