MTU 16V4000M73 Operating Instructions Manual page 103

270 – SD Frequency Input
Cause
Signal at analog frequency input
missing.
321 – AL Wiring Cylinder A1
Cause
Short circuit fault in the injector
wiring for cylinder A1 or injector is
defective.
322 – AL Wiring Cylinder A2
Cause
Short circuit fault in the injector
wiring for cylinder A2 or injector is
defective.
323 – AL Wiring Cylinder A3
Cause
Short circuit fault in the injector
wiring for cylinder A3 or injector is
defective.
324 – AL Wiring Cylinder A4
Cause
Short circuit fault in the injector
wiring for cylinder A4 or injector is
defective.
325 – AL Wiring Cylinder A5
Cause
Short circuit fault in the injector
wiring for cylinder A5 or injector is
defective.
326 – AL Wiring Cylinder A6
Cause
Short circuit fault in the injector
wiring for cylinder A6 or injector is
defective.
Corrective action
1. Check engine wiring (→ Page 268).
2. Contact Service.
Corrective action
1. Check wiring of affected injector (→ Page 268).
2. Replace injector (→ Page 148).
3. Contact Service.
Corrective action
1. Check wiring of affected injector (→ Page 268).
2. Replace injector (→ Page 148).
3. Contact Service.
Corrective action
1. Check wiring of affected injector (→ Page 268).
2. Replace injector (→ Page 148).
3. Contact Service.
Corrective action
1. Check wiring of affected injector (→ Page 268).
2. Replace injector (→ Page 148).
3. Contact Service.
Corrective action
1. Check wiring of affected injector (→ Page 268).
2. Replace injector (→ Page 148).
3. Contact Service.
Corrective action
1. Check wiring of affected injector (→ Page 268).
2. Replace injector (→ Page 148).
3. Contact Service.
MS150123/01E 2017-05 | Troubleshooting | 103