Repair Manual MSG 90.6PG Commercial Vehicles, Omnibuses – November 2017
Material no. 1153450_c
2
Diagnosis
Page 1 of 2
END
TABLE OF CONTENTS
2.1 Overview of components (page 1-15)
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Control elements (page 1)
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Pneumatic connecting diagram (page 2-4)
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Level control (page 5-6)
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Actros, Atego, Axor, bus seat: Heater cable, belt tensioner cable and pin assignment with circuit diagram (page 7-10)
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Kingman: Heater cable and pin assignment with circuit diagram (page 11)
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Actros: Heater cable, belt buckle contact and pin assignment with circuit diagram (page 12-13)
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Belt buckle with belt buckle cable (if fitted) (page 14)
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Cable for electro-pneumatic gearshift (EPS cable) (if fitted) (page 15)
2.2 Functional test (page 1-6)
2.3 Overview of faults (page 1-11)
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Seat moves upwards too slowly (page 1-2)
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Seat does not move upwards (seat does not respond when pulling the lever for seat height adjustment) (page 2-3)
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Seat does not move downwards (seat does not respond when pressing the lever for seat height adjustment)
(page 3-4)
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Seat changes its position during operation (page 4-5)
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Seat moves up or down, but it automatically returns to its original position (page 5)
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Seat does not respond when pressing the button for quick lowering of the seat (page 5)
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Backrest cushion does not respond when operating the valves for lumbar support / lateral support adjustment (page 6)
