| Steering column switch module (SCSM) |
| The following equipment-specific components are integrated into the steering column switch: |
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| Turn signal switch -E2- |
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| Windscreen washer pump switch (automatic wash/wipe and headlight washer system) -E44- |
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| Headlight dipper and flasher switch -E4- |
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| Parking light switch -E19- |
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| Intermittent wiper switch -E22- |
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| Rear window wiper switch -E34- |
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| Intermittent wiper regulator -E38- |
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| Cruise control system (CCS) SET button -E227- |

Note | The entire steering column combination switch is to be renewed → Chapter if one of the above components is defective. |
| Fault detection and fault display: |
| The following components feature self-diagnosis capability: |
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| Turn signal switch -E2- |
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| Windscreen washer pump switch (automatic wash/wipe and headlight washer system) -E44- |
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| Intermittent wiper switch -E22- |
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| Steering angle sender -G85- |
| For fault finding, use vehicle diagnosis, testing and information system -VAS 5051A- in „Guided fault finding“ mode. |
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