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| Join connector for four-wheel drive control unit -J492-. |
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| Connect vehicle diagnosis, testing and information system -VAS 5051- → Chapter. |
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| Operate clutch pedal and engage 1st gear. |
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| Drive off slowly, whereby it must be observed that rear wheels attempt to drive against handbrake. |
Note Release clutch slowly or engine will stall. |
If it is not observed that rear wheels attempt to drive against handbrake |
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| If no fault could be found, then oil pressure control motor -V184- is defective. |
Note The oil pressure control motor -V184- is integrated in the four-wheel drive control unit. |
If it is observed that rear wheels attempt to drive against handbrake |
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| Operate clutch pedal and select vehicle system “03 - Brake electronics” on -VAS 5051-. |
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