112509 – HIHI T-Exhaust A9
Red 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 140).
3. Check valve drive (exhaust valves do not close).
112510 – HIHI T-Exhaust A10
Red 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 140).
3. Check valve drive (exhaust valves do not close).
112511 – HIHI T-Exhaust B1
Red 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 140).
3. Check valve drive (exhaust valves do not close).
112512 – HIHI T-Exhaust B2
Red 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 140).
3. Check valve drive (exhaust valves do not close).
112513 – HIHI T-Exhaust B3
Red 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 140).
3. Check valve drive (exhaust valves do not close).
62 | Troubleshooting | MS150098/02E 2016-11
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