ECWW, Checking Program
| Test | Test Equipment | Check | Notes | Nominal | |
|---|---|---|---|---|---|
| Step | Multimeter | Value | |||
| MKM-587-A | of | between | |||
| 16 | Ohmmeter, range 200 W | ECWW switch S40 (rear right door) | S40/ Ter. 7 (WS) | S40/ | |
| Ter. 1 (GRGN) | · Remove rear right door ECWW switch S40 |
· Disconnect wiring harness plug from S40
· Press "raise" on switch S40 and hold down
· Measurement in switch S40
| approx. | ||||
|---|---|---|---|---|
| 0 W | ||||
| S40/ Ter. 7 (WS) | S40/ Ter. 9 (BLRT) | · Press "lower" on switch S40 and hold down |
· Measurement in switch S40
| approx. | ||||
|---|---|---|---|---|
| 0 W | ||||
| S40/ Ter. 3 (BR) | Ground | |||
| · Measurement between wiring harness plug S40 and body ground | ||||
| approx. | ||||
| 0 W | ||||
| Voltmeter, range 20 V DC | ||||
| S40/ Ter. 7 (WS) | S40/ Ter. 3 (BR) | · Child safety switch S37.5 "OFF" (green) |
· Ignition ON
· Measurement in wiring harness plug S40 (body side)
| greater than 10 V |
|---|
| Possible Faults: |
(If nominal value is not attained)
· Interruption in rear right door wiring harness between rear right door wiring harness plug X14 and wiring harness plug S40.
· Rear right door ECWW switch S40 defective.
· Wiring harness plug X14 detached.
· Interruption in body wiring harness between 9-pin console wiring harness plug and rear right door wiring harness plug X14.
· Interruption in body wiring harness between body ground and rear right door wiring harness plug X14.
· Ground connection corroded.