ECWW, Checking Program
| Test | Test Equipment | Check | Notes | Nominal | |
|---|---|---|---|---|---|
| Step | Multimeter | Value | |||
| MKM-587-A | of | between | |||
| 3 | Ohmmeter, range |
200 W
| Standby for ECWW in ECWW switch S37 (centre console) | 6-pin Ter. 5 (BR) | Ground | · Disconnect 6-pin console wiring harness plug |
· Measurement between 6-pin wiring harness plug (body side) and body ground
| approx. | ||||
|---|---|---|---|---|
| 0 W | ||||
| 6-pin Ter. 5 (BR) | 9-pin Ter. 9 (GRWS) | · Disconnect 9-pin console wiring harness plug |
· Open front left door
| approx. | ||||
|---|---|---|---|---|
| 0 W | ||||
| 6-pin Ter. 5 (BR) | 9-pin Ter. 8 (GR) | · Measurement between 6-pin and 9-pin wiring harness plugs |
(body side of each)
| approx. | |||||
|---|---|---|---|---|---|
| 0 W | |||||
| Voltmeter, range | |||||
| 20 V, DC | Standby for ECWW in ECWW switch S37 (centre console) | 6-pin/ Ter. 5 (BR) | 9-pin/ Ter. 4 (RT) | · Measurement between 6-pin and 9-pin wiring harness plugs (body side of each) | |
| greater than | |||||
| 11.5 V | |||||
| 6-pin/ Ter. 5 (BR) | 9-pin/ Ter. 6 (SW) | · Ignition ON |
· Measurement in 6-pin and 9-pin wiring harness plugs
(body side of each)
| greater than | ||
|---|---|---|
| 11.5 V | ||
| · After measurement, ignition OFF | ||
| Possible Faults: |
(If nominal value is not attained)
Measurement between 6-pin console wiring harness plug and body ground:
· Interruption in body wiring harness between body ground and 6-pin wiring harness plug Ter. 5.
· Ground connection corroded.
Measurement between 6-pin and 9-pin console wiring harness plugs or in 6-pin wiring harness plug:
· Fuse F1 defective.
· Interruption in instrument panel wiring harness between fuse F1 and instrument panel/body wiring harness plug X1/Ter. 12.
· Fuse F7 defective.
· Interruption in instrument panel wiring harness between fuse F15 and instrument panel/body wiring harness plug X1/Ter. 49
· Instrument panel/body wiring harness plug X1 detached.
| · Interruption in body wiring harness between instrument panel/body wiring harness plug X1 and 6-pin console wiring harness plug Ter. 5. |
· Interruption in body wiring harness between instrument panel/body wiring harness plug and 9-pin console wiring harness plug Ter. 4.
· Interruption in body wiring harness between 9-pin console wiring harness plug and door contact switch S47.
· Driver's door contact switch S47 defective.
· Ground connection corroded.
If nominal values are attained, window winder automatic controls S37.7 in switch S37 defective.