MTU 20V4000C55, Руководство по эксплуатации

Страница: 68 / 226

628 – AL Wiring PWM_CM10
Cause Corrective action
Disruption or short circuit in
wiring to servomotor of EGR
shutoff flap M53. 1. Check engine wiring (→ Page 158).
2. Contact Service.
629 – AL EGR Throttle A Defect
Cause Corrective action
The EGR shutoff flap (M53) is
faulty. 1. Check operation of EGR shutoff flap (→ Page 113), (→ Page 159).
2. Contact Service.
631 – AL Bypass Throttle Defect
Cause Corrective action
The bypass flap (M52) is faulty. 1. Check operation of bypass flap (→ Page 113), (→ Page 159).
2. Contact Service.
632 – AL Dispenser Throttle Defect
Cause Corrective action
The dispenser flap (M55) is faulty. 1. Check operation of dispenser flap (→ Page 113), (→ Page 159).
2. Contact Service.
633 – SD P-Ambient Air (HDT2800)
Cause Corrective action
The air pressure sensor (B90)
supplies incorrect signal or no
signal. 1. Check engine wiring (→ Page 158).
2. Contact Service.
634 – SD T0-Ambient Air (HDT2800)
Cause Corrective action
The temperature sensor (B90)
supplies incorrect signal or no
signal. 1. Check engine wiring (→ Page 158).
2. Contact Service.
635 – SD Air Humidity (HDT2800)
Cause Corrective action
The humidity sensor (B90)
supplies incorrect signal or no
signal. 1. Check engine wiring (→ Page 158).
2. Contact Service.
647 – SD P-Exhaust Lambda
Cause Corrective action
The exhaust gas sensor (B91.3)
supplies incorrect signal or no
signal. 1. Check engine wiring (→ Page 158).
2. Contact Service.
68 | Troubleshooting | MS15043/00E 2016-04
TIM-ID: 0000065298 - 002