ECWW, Checking Program
| Test | Test Equipment | Check | Notes | Nominal | |
|---|---|---|---|---|---|
| Step | Multimeter | Value | |||
| MKM-587-A | of | between | |||
| 6 | Ohmmeter, range 2 kW | ||||
| Connections in rear left door to ECWW motor M49 | X13/ Ter. 4 (BR) | X13/ Ter. 9 (BLRT) | · Disconnect rear left door wiring harness plug X13 | ||
| 560 - | |||||
| 600 W | |||||
| X13/ Ter. 4 (BR) | X13/ | ||||
| Ter. 5 (GRGN) | · Remove rear left door ECWW switch S39 |
· Disconnect wiring harness plug from switch S39
· Measurement in wiring harness plug X13 (door side)
| 560 - | ||||
|---|---|---|---|---|
| 600 W | ||||
| O hmmeter, range 2 kW | ||||
| X13/ Ter. 8 (RT) | M49/ Ter. 1 (RT) | · Disconnect wiring harness plug from motor M49 |
· Measurement in door wiring harness
| approx. | ||
|---|---|---|
| 0 W | ||
| X13/ |
Ter. 1 (BRSW)
| M49/ Ter. 6 (BRSW) | approx. | |
|---|---|---|
| 0 W | ||
| Possible Faults: |
(If nominal value is not attained)
· Interruption or short circuit in rear left door wiring harness between rear left door wiring harness plug X13 and wiring harness plug M49.
· Wiring harness plug M49 detached.
· ECWW motor M49 defective.