499 – SD T-Charge Mix
Red alarm.
Associated parameter 1.8004.632
Cause
Corrective action
Mixture temperature sensor
faulty, short circuit or wire break.
u
Check sensor and cabling (B73), replace as necessary
(→ Page 202) (→ Page 201). Error cleared after restarting the
engine.
511 – HIHI P-Charge Mix A
Red alarm. Engine shutdown.
Associated parameter 2.0181.932
Cause
Corrective action
Mixture pressure on A side too
high (limit value 2).
1. Check emissions (→ Page 46).
2. Check ignition timing (→ Page 175).
3. Check exhaust back pressure.
4. Check valve clearance (→ Page 179).
5. Check throttle flap.
6. Check mixture coolant system.
512 – HIHI P-Charge Mix B
Red alarm. Engine shutdown.
Associated parameter 2.0182.932
Cause
Corrective action
Mixture pressure on B side too
high (limit value 2).
1. Check emissions (→ Page 46).
2. Check ignition timing (→ Page 175).
3. Check exhaust back pressure.
4. Check valve clearance (→ Page 179).
5. Check throttle flap.
6. Check mixture coolant system.
513 – SD P-Coolant Diff
Red alarm.
Associated parameter 1.8004.610
Cause
Corrective action
Coolant differential pressure
sensor faulty, short circuit or wire
break.
u
Check sensors and cabling (B16.1, B16.3), replace as necessary
(→ Page 202) (→ Page 201). Error cleared after restarting the
engine.
MS150104/02E 2016-11
| Troubleshooting | 141
TIM-ID: 0000038612 - 002
