ECWW, Checking Program
| Test | Test Equipment | Check | Notes | Nominal | ||
|---|---|---|---|---|---|---|
| Step | Multimeter | Value | ||||
| MKM-587-A | of | between | ||||
| 1 | Voltmeter, range | |||||
| 20 V, DC | Voltage supply for front ECWW and window winder automatic controls | · Disconnect front left door wiring harness plug X11 | ||||
| (F1) | X11/ Ter. 30 | Ground | · Measurement between wiring harness plug X11 (body wiring harness) and body ground | |||
| greater than | ||||||
| 11.5 V | ||||||
| X11/ Ter. 30 | X11/ Ter. 29 | · Measurement in wiring harness plug X11 (body side) | greater than |
11.5 V
| · Disconnect front right door wiring harness plug X12 | |||||
|---|---|---|---|---|---|
| X12/ Ter. 30 | Ground | · Measurement between wiring harness plug X12 (body side) and body ground | |||
| greater than | |||||
| 11.5 V | |||||
| X12/ Ter. 30 | X12/ Ter. 29 | · Measurement in wiring harness plug X12 (body side) | greater than |
11.5 V
| 9-pin Ter. 7 (RT) | 6-pin Ter. 5 (BR) | · Disconnect 9-pin and 6-pin console wiring harness plugs |
· Measurement between 9-pin and 6-pin wiring harness plugs (body side)
| greater than | |
|---|---|
| 11.5 V | |
| Possible Faults: |
(If nominal value is not attained)
· Fuse F1 defective.
· Interruption in instrument panel wiring harness between fuse F1 and instrument panel/body wiring harness plug X1/Ter. 12.
· Interruption in door wiring harness between wiring harness plug X1/Ter. 12 and driver's door wiring harness plug X11/Ter. 30.
· Interruption in door wiring harness between wiring harness plug X1/Ter. 12 and co-driver's door wiring harness plug X12/Ter. 30.
· Interruption in door wiring harness between wiring harness plug X1/Ter. 12 and 9-pin console wiring harness plug Ter. 7
· Wiring harness plug X1 detached.
· Interruption in door wiring harness between body ground and driver's door wiring harness plug X11/Ter. 29.
· Interruption in door wiring harness between body ground and co-driver's door wiring harness plug X12/Ter. 29.
· Interruption in door wiring harness between body ground and 6-pin console wiring harness plug Ter. 5
· Ground connection corroded.