ECWW, Checking Program
| Test | Test Equipment | Check | Notes | Nominal | |
|---|---|---|---|---|---|
| Step | Multimeter | Value | |||
| MKM-587-A | of | between | |||
| 15 | Ohmmeter, range 200 W | ECWW switch S39 (rear left door) | S39/ Ter. 7 (WS) | S39/ | |
| Ter. 1 (GRGN) | · Remove rear left door ECWW switch S39 |
· Disconnect wiring harness plug from S39
· Press "raise" on switch S39 and hold down
· Measurement in switch S39
| approx. | ||||
|---|---|---|---|---|
| 0 W | ||||
| S39/ Ter. 7 (WS) | S39/ Ter. 9 (BLRT) | · Press "lower" on switch S39 and hold down |
· Measurement in switch S39
| approx. | |||||
|---|---|---|---|---|---|
| 0 W | |||||
| S39/ Ter. 3 (BR) | Ground | · Measurement between wiring harness plug S39 and body ground | |||
| approx. | |||||
| 0 W | |||||
| Voltmeter, range 20 V DC | |||||
| ECWW switch S39 (rear left door) | S39/ Ter. 7 (WS) | S39/ Ter. 3 (BR) | · Child safety switch S37.5 "OFF" (green) |
· Ignition ON
· Measurement in wiring harness plug S39 (body side)
| greater than 10 V |
|---|
| Possible Faults: |
(If nominal value is not attained)
· Interruption in rear left door wiring harness between rear left door wiring harness plug X13 and wiring harness plug S39.
· Rear left door ECWW switch S39 defective.
· Wiring harness plug X13 detached.
· Interruption in body wiring harness between 9-pin console wiring harness plug and rear left door wiring harness plug X13.
· Interruption in body wiring harness between body ground and rear left door wiring harness plug X13.
· Ground connection corroded.