ECWW, Checking Program
| Test | Test Equipment | Check | Notes | Nominal | |
|---|---|---|---|---|---|
| Step | Multimeter | Value | |||
| MKM-587-A | of | between | |||
| 9 | Ohmmeter, range 200 W | Connections to ECWW switch S40 (rear right door) | S40/ | ||
| Ter. 1 (GRGN) | 6-pin Ter. 4 (GRGN) | · Remove rear right door ECWW switch S40 |
· Remove switch S37
| approx. | ||||
|---|---|---|---|---|
| 0 W | ||||
| S40/ Ter. 9 (BLRT) | 6-pin/ Ter. 3 (BLRT) | |||
| · Measurement between switch S37.4 and switch S40 | ||||
| approx. | ||||
| 0 W | ||||
| S40/ Ter. 7 (WS) | 9-pin/ Ter. 5 (WS) | · Measurement between child safety switch S37.5 and switch S40 | ||
| approx. | ||||
| 0 W | ||||
| S40/ Ter. 3 (BR) | ||||
| Ground | ||||
| · Measurement between switch S40 and body ground | ||||
| approx. | ||||
| 0 W | ||||
| Possible Faults: |
(If nominal value is not attained)
· Interruption in console wiring harness between rear right ECWW switch S37.4 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 detached.
· 9-pin console wiring harness plug detached.
· Interruption in body wiring harness between 9-pin console wiring harness plug and rear right door wiring harness plug X14.
· Rear right door wiring harness plug X14 detached.
· Interruption in rear right door wiring harness between wiring harness plug X14 and rear right door ECWW switch wiring harness plug S40.
· Interruption in rear right door wiring harness between body ground and rear right door wiring harness plug X14/Ter. 4.
· Ground connection corroded.