ECWW, Checking Program
| Test | Test Equipment | Check | Notes | Nominal | |
|---|---|---|---|---|---|
| Step | Multimeter | Value | |||
| MKM-587-A | of | between | |||
| 8 | Ohmmeter, range 200 W | Connections to ECWW switch S39 (rear left door) | S39/ | ||
| Ter. 1 (GRGN) | 9-pin/ Ter. 4 (GRGN) | · Remove rear left door ECWW switch S39 |
· Remove switch S37
| approx. | ||||
|---|---|---|---|---|
| 0 W | ||||
| S39/ Ter. 9 (BLRT) | 9-pin/ Ter. 3 (BLRT) | |||
| · Measurement between switch S37.3 and switch S39 | ||||
| approx. | ||||
| 0 W | ||||
| S39/ Ter.7 (WS) | 9-pin/ Ter. 5 (WS) | |||
| · Measurement between switch S37.5 and switch S39 | approx. | |||
| 0 W | ||||
| S39/ Ter. 3 (BR) | ||||
| Ground | · Measurement between switch S39 and body ground | approx. | ||
| 0 W | ||||
| Possible Faults: |
(If nominal value is not attained)
· Interruption in console wiring harness between rear left ECWW switch S37.3 and 6-pin console wiring harness plug.
· Interruption in console wiring harness between child safety switch S37.5 and 9-pin console wiring harness plug.
· 6-pin console wiring harness plug and/or 9-pin console wiring harness plug detached.
· Interruption in body wiring harness between 9-pin wiring harness plug and rear left door wiring harness plug X13.
· Rear left door wiring harness plug X13 detached.
· Interruption in rear left door wiring harness between wiring harness plug X13 and rear left door ECWW switch wiring harness plug S39.
· Interruption in rear left door wiring harness between body ground and rear left door wiring harness plug X13/Ter. 4.
· Ground connection corroded.