Vario roof (VR) diagnosis, functional test - AD77.50-P-3000A
MODEL 170
| Vario roof (VR) diagnosis, previous knowledge | AD77.50-P-2000A | ||
| Before operating the vario roof, the sun shade in the trunk must be drawn and the trunk lid closed, | |||
| Functional test | |||
| Scope of test | Operation/requirement | Specified value | Possible cause/remedy |
| 1 Power windows |
Ignition starter switch position 1 | ||
| 2 Open side window |
Press power window switch down at rear ( 1st position) | Side window opens while switch is held down | AD77.50-P-5000A |
| 3 Open side window (automatic lowering) |
Press power window switch down at rear ( beyond 1st position) | Side window opens fully (switch need not be held down) | AD77.50-P-5000A |
| 4 Close side window |
Press power window switch down at front | Side window closes while switch is held down | AD77.50-P-5000A |
| 5 | Vario roof completely locked | Front side windows open while switch is held down | AD77.50-P-5000A |
| Open front side windows from vario roof switch (one-touch function) | Move vario roof switch to rear briefly (< 0.5 s) twice in succession and hold in position | ||
| 6 | Vario roof completely locked | Front side windows close while switch is held down | AD77.50-P-5000A |
| Close front side windows from vario roof switch (one-touch function) | Press vario roof switch forward briefly (< 0.5 s) twice in succession and hold in position | ||
| 7 Vario roof switch indicator lamp |
Ignition: ON | Vario roof switch indicator lamp illuminated | AD77.50-P-5000A |
| 8 | Ignition: ON | Front and rear side windows open | AD77.50-P-5000A |
| Open vario roof with vario roof switch | Press vario roof switch in "open " direction | Vario roof released Trunk lid is raised Vario roof opens Trunk lid closes and is locked Front side windows close |
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| 9 | Press vario roof switch in "close " direction | Front side windows open | AD77.50-P-5000A |
| Close vario roof with vario roof switch | Trunk lid is raised Vario roof closes Trunk lid closes and is locked Vario roof is locked Front and rear side windows close |
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| 10 | Vario roof released | Gong sounds | AD77.50-P-5000A |
| Gong in instrument cluster | Drive vehicle (> 5 km/h) | ||