517 – SD P-Charge Mix before Throttle
Red alarm.
Associated parameter 1.8004.631
Cause
Corrective action
Mixture pressure sensor before
throttle defective, short circuit
or wire break.
u
Check sensor and cabling (B79.23), replace if necessary. Fault
is rectified following engine restart.
520 – SD P-Intake Air after Filter A
Yellow alarm.
Associated parameter 1.0186.900
Cause
Corrective action
Intake air pressure sensor after
filter on A side defective, short
circuit or wire break.
u
Check sensor and cabling (B81.1), replace if necessary. Fault is
rectified following engine restart.
522 – SD P-Intake Air after Filter B
Yellow alarm.
Associated parameter 1.0187.900
Cause
Corrective action
Intake air pressure sensor after
filter on B side defective, short
circuit or wire break.
u
Check sensor and cabling (B81.2), replace if necessary. Fault is
rectified following engine restart.
534 – HIHI Power Difference
Red alarm.
Associated parameter 2.1005.931
Cause
Corrective action
Set and actual power deviate
excessively from one another.
1. Check converter.
2. Check fuel settings.
3. Check emissions.
535 – LOLO Power Difference
Red alarm.
Associated parameter 2.1005.921
Cause
Corrective action
Set and actual power deviate
excessively from one another.
1. Check converter.
2. Check fuel settings.
3. Check emissions.
132 | Troubleshooting | MS15026/00E 2015-05
TIM-ID: 0000044567 - 003
