ad3030w5000a

Cruise control (CC) diagnosis troubleshooting

Type ad · topic 30.30 · version 0100 · 2003-06-20

Applies to: ENGINE 445.924 with CODE (MC1) Engine 441, 180 kW (245 hp) 2100 rpm Euro 2 ENGINE 445.924 /925 /941 with CODE (MC1) Engine 441, 180 kW (245 hp) 2100 rpm Euro 2 ENGINE 445.926 /927 /928 /933 /936 with CODE (MC2) Engine 441, 200 kW (272 hp) 2100 rpm Euro 2 ENGINE 445.929 /930 /931 with CODE (MC3) Engine 441, 230 kW (313 hp) 2100 rpm Euro 2 ENGINE 445.929 with CODE (MC3) Engine 441, 230 kW (313 hp) 2100 rpm Euro 2 ENGINE 445.920 /922 with CODE (MC4) Engine 441, 250 kW (340 hp) 1900 rpm Euro 2 ENGINE

Where it sits

Function group 1 Engine › 30 Throttle control, speed control systems › 30.30 Tempomat (TPM), DISTRONIC (DTR), Active Brake Assist

Also applies to engines/gearboxes: 445 920, 445 921, 445 922, 445 923, 445 924, 445 925, 445 926, 445 927, 445 928, 445 929, 445 930, 445 931, 445 933, 445 936, 445 941, 446 920, 446 921, 446 922, 446 923, 446 924, 446 925, 446 926, 446 927, 446 928, 446 929, 446 930, 446 931, 446 932, 446 933, 446 935, 446 936, 446 939, 446 940, 446 941, 446 942, 446 943, 446 948

AD30.30-W-5000A

Cruise control (CC) diagnosis troubleshooting

3.12.97

ENGINE 445.924 with CODE (MC1) Engine 441, 180 kW (245 hp) 2100 rpm Euro 2

ENGINE 445.924 /925 /941 with CODE (MC1) Engine 441, 180 kW (245 hp) 2100 rpm Euro 2

ENGINE 445.926 /927 /928 /933 /936 with CODE (MC2) Engine 441, 200 kW (272 hp) 2100 rpm Euro 2

ENGINE 445.929 /930 /931 with CODE (MC3) Engine 441, 230 kW (313 hp) 2100 rpm Euro 2

ENGINE 445.929 with CODE (MC3) Engine 441, 230 kW (313 hp) 2100 rpm Euro 2

ENGINE 445.920 /922 with CODE (MC4) Engine 441, 250 kW (340 hp) 1900 rpm Euro 2

ENGINE 445.920 /921 /923 with CODE (MC4) Engine 441, 250 kW (340 hp) 1900 rpm Euro 2

ENGINE 446.924 /925 /926 /927 /928 /929 /930 /931 with CODE (MC5) Engine 442, 280 kW (381 hp) 1900 rpm Euro 2

ENGINE 446.922 /923 /935 /936 /939 /940 /941 /942 /943 /948 with CODE (MC6) Engine 442, 320 kW (435 hp) 1900 rpm Euro 2

ENGINE 446.920 /921 with CODE (MC7) Engine 442, 390 kW (530 hp) 1900 rpm Euro 2

ENGINE 446.932 /933 with CODE (MC8) Engine 442, 390 kW (530 hp) 2100 rpm Euro 2

Cruise control (CC) diagnosis troubleshooting

Operating settings of Tempomat switch and of Temposet pushbutton:

1. Press Tempomat lever forward (Accelerate / Quit)*.

2. Pull Tempomat lever back (Decelerate / Quit)*.

3. Pull Tempomat lever up (Resume / Quit)*.

4. Push Tempomat lever down (OFF / Quit)*.

5. Press Temposet pushbutton (ON).

* Quit = Acknowledge or Set

W54.00-0069-03

Danger!

Hazard from high voltage during electric welding. Risk of explosion from welding in the area of easily ignited substances. Risk of injury from weld spatter and UV light during welding. Risk of poisoning from inhaling weld vapors.

Use insulating bases. Wear protective clothing, eye protection and protective mask. Keep easily ignited substances away from the hazardous area. Use extraction system.

AS00.00-Z-0007-01A

If Tempomat function is switched off, fault code 035 is not activated and the fault lamp does not come on.

Vehicle-engine control (FMR) diagnosis basic knowledge

AD30.35-W-2001A

a

System voltage 22.5 – 29.5 V

Electrolyte density > 1.16 kg/dm3

b

Indicator lamp for ancillaries must be off.

c

Compressed air at least 5.5 bar

d

Connect hand-held tester (HHT)

AD00.00-W-2000-03A

e

Perform operational check using actual values 18 and 19

If Tempomat lever or Temposet pushbutton are not operated (off position), no function must be highlighted in black.

AD30.35-W-3002AC

Troubleshooting

Complaint

Possible cause

Notes

Remedy / test step

- If Tempomat / Temposet switch (S27) is not operated, OFF is highlighted in black.

- If 1.–5. operated, OFF is highlighted in black.

AD30.30-W-6000-07A

- If Tempomat / Temposet switch (S27) is not operated, OFF is highlighted in black.

- If 1., 2., 3. and 5. operated, OFF is highlighted in black.

- Quit is highlighted in black only in the case of 4.

AD30.30-W-6000-08A

- If Tempomat / Temposet switch (S27) is not operated, no function is highlighted in black.

- If 1.–4. operated, OFF is highlighted in black.

- In the case of 5., correct function is highlighted in black.

AD30.30-W-6000-09A

- In the case of 1. OFF is highlighted in black.

- All other functions are correctly highlighted.

AD30.30-W-6000-10A

- In the case of 2. OFF is highlighted in black.

- All other functions are correctly highlighted.

AD30.30-W-6000-11A

- In the case of 3. OFF is highlighted in black.

- All other functions are correctly highlighted.

AD30.30-W-6000-12A

- In the case of 5. (actual value 19) OFF remains highlighted in black.

- If Temposet pushbutton operated, OFF is highlighted in black unde actual value 11.

- All other functions are correctly highlighted.

AD30.30-W-6000-13A

- In the case of 5. (actual value 19) OFF remains highlighted in black.

- All other functions are correctly highlighted.

AD30.30-W-6000-14A

- In the case of 5. (actual value 19) ON is highlighted in black if nothing is operated.

AD30.30-W-6000-15A

Referenced documents