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Reading measured value block
Readout specifications for general vehicle inspection
Display group 00 during idling (warm engine, coolant temperature not below +85 °C)
Engine codes: AFF, AHU, AHH, AFN
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Read measured value block 0
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◂Indicated on display
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40
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50
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0
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20
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90
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201
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64
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153
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127
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83
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Intake air mass: 70...110: OK
▪ If outside tolerance => display group 03, Page 01-76
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Fuel temperature: no specification
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Intake manifold temperature: no specification
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Coolant temperature: 80 ... 51: OK
▪ Above 80 Run engine until warm
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Ambient air pressure: no specification
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Boost pressure: Ignore
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Injection quantity: 10 ... 30: OK
▪ If outside tolerance => display group 01, Page 01-68
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Accelerator pedal position: 0
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Commencement of injection: 20 ... 60: OK
▪ If outside tolerance=> display group 04, Page 01-71
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Idling speed: 3 7... 42: OK
▪ If outside tolerance => display group 02, Page 01-73
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Display group 00 at full throttle (test drive in 3rd or 4th gear, coolant temperature not below +85 °C)
- Engine code AFF
Important: The fault reader must be secured on the rear seat and operated from this position. Observe the safety precautions applicable to test drives .
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Read measured value block 0
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◂Indicated on display
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186
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225
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255
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154
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186
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201
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64
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138
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175
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233
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Intake air mass: above 210 OK
▪ Less than 210 => display group 10, Page 01-81
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Fuel temperature: no specification
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Intake manifold temperature: no specification
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Coolant temperature: 80 ... 51: OK
▪ Above 80 Run engine until warm
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Ambient air pressure: Ignore
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Boost pressure: 171 ... 191: OK
▪ If outside tolerance => display group 11, Page 01-83
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Injection quantity: 145 ... 158 (injection quantity at full throttle) OK
▪ 125: Emerg. injection quantity, syst. error detected=>interrogate fault mem., Page 01-8
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Accelerator pedal: 255 (fully depressed)
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Commencement of injection: 170 ... 245 (depending on engine speed)
▪ If outside tolerance=> display group 04, Page 01-72
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Engine speed: 160 ... 190 (do not exceed 4000 rpm; engine speed is controlled)
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Display group 00 at full throttle (test drive in 3rd or 4th gear, coolant temperature not below +85 °C)
- Engine codes: AHU, AHH
Important: The fault reader must be secured on the rear seat and operated from this position. Observe the safety precautions applicable to test drives => Page 23-1.
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Read measured value block 0
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⇒
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◂Indicated on display
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186
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225
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255
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199
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190
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201
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64
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138
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175
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255
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Intake air mass: above 210 OK
▪ Less than 210 => Display group 10, Page 01-81
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Fuel temperature: no specification
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Intake manifold temperature: no specification
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Coolant temperature: 80 ... 51: OK
▪ Above 80 Run engine until warm
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Ambient air pressure: Ignore
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Boost pressure: 171 ... 191: OK
▪ If outside tolerance => display group 11, Page 01-83
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Injection quantity: 160-180 (injection quantity at full throttle) OK
▪ 125: Emerg. injection quantity, syst. error detected=>interrogate fault mem., Page 01-8
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Accelerator pedal: 255 (fully depressed)
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Commencement of injection: 180...245 (depending on engine speed)
▪ If outside tolerance=> display group 04, Page 01-72
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Engine speed: 160 ... 190 (do not exceed 4000 rpm; engine speed is controlled)
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Display group 00 at full throttle (test drive in 3rd or 4th gear, coolant temperature not below +85 °C)
- Engine code AFN
Important: The fault reader must be secured on the rear seat and operated from this position. Observe the safety precautions applicable to test drives => Page 23-1.
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Read measured value block 0
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⇒
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◂Indicated on display
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186
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225
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255
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199
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190
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201
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64
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138
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175
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255
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Intake air mass: above 240 OK
▪ Less than 240 => Display group 10, Page 01-81
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Fuel temperature: no specification
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Intake manifold temperature: no specification
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Coolant temperature: 80 ... 51: OK
▪ Above 80 Run engine until warm
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Ambient air pressure: Ignore
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Boost pressure: 180 ... 200: OK
▪ If outside tolerance => display group 11, Page 01-83
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Injection quantity: 190-210 (injection quantity at full throttle) OK
▪ 125: Emerg. injection quantity, syst. error detected=>interrogate fault mem., Page 01-8
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Accelerator pedal: 255 (fully depressed)
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Commencement of injection: 180 ... 245 (depending on engine speed)
▪ If outside tolerance=> display group 04, Page 01-72
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Engine speed: 160 ... 190 (do not exceed 4000 rpm; engine speed is controlled)
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