112309 – HI T-Exhaust A9
Yellow alarm. Initiated by EMU.
Cause
Corrective action
Individual exhaust gas
temperature of this cylinder is
too high in comparison with
weighted average.
1. Check emission values.
2. Check ignition timing (→ Page 160).
3. Check valve drive (exhaust valves do not close).
112310 – HI T-Exhaust A10
Yellow alarm. Initiated by EMU.
Cause
Corrective action
Individual exhaust gas
temperature of this cylinder is
too high in comparison with
weighted average.
1. Check emission values.
2. Check ignition timing (→ Page 160).
3. Check valve drive (exhaust valves do not close).
112311 – HI T-Exhaust B1
Yellow alarm. Initiated by EMU.
Cause
Corrective action
Individual exhaust gas
temperature of this cylinder is
too high in comparison with
weighted average.
1. Check emission values.
2. Check ignition timing (→ Page 160).
3. Check valve drive (exhaust valves do not close).
112312 – HI T-Exhaust B2
Yellow alarm. Initiated by EMU.
Cause
Corrective action
Individual exhaust gas
temperature of this cylinder is
too high in comparison with
weighted average.
1. Check emission values.
2. Check ignition timing (→ Page 160).
3. Check valve drive (exhaust valves do not close).
112313 – HI T-Exhaust B3
Yellow alarm. Initiated by EMU.
Cause
Corrective action
Individual exhaust gas
temperature of this cylinder is
too high in comparison with
weighted average.
1. Check emission values.
2. Check ignition timing (→ Page 160).
3. Check valve drive (exhaust valves do not close).
54 | Troubleshooting | MS15027/00E 2013-10
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