112314 – HI T-Exhaust B4
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 137).
3. Check valve drive (exhaust valves do not close).
112315 – HI T-Exhaust B5
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 137).
3. Check valve drive (exhaust valves do not close).
112316 – HI T-Exhaust B6
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 137).
3. Check valve drive (exhaust valves do not close).
112317 – HI T-Exhaust B7
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 137).
3. Check valve drive (exhaust valves do not close).
112318 – HI T-Exhaust B8
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 137).
3. Check valve drive (exhaust valves do not close).
50 | Troubleshooting | MS150097/01E 2013-10
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