112319 – HI T-Exhaust B9
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 163).
3. Check valve gear (exhaust valves do not close).
112320 – HI T-Exhaust B10
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 163).
3. Check valve gear (exhaust valves do not close).
112401 – LO T-Exhaust A1
Yellow alarm. Initiated by EMU.
Cause
Corrective action
Individual exhaust gas
temperature of this cylinder is
too low in comparison with
weighted average.
1. Check spark plug.
2. Check emission values.
3. Check ignition timing (→ Page 163).
4. Check valve gear.
112402 – LO T-Exhaust A2
Yellow alarm. Initiated by EMU.
Cause
Corrective action
Individual exhaust gas
temperature of this cylinder is
too low in comparison with
weighted average.
1. Check spark plug.
2. Check emission values.
3. Check ignition timing (→ Page 163).
4. Check valve gear.
112403 – LO T-Exhaust A3
Yellow alarm. Initiated by EMU.
Cause
Corrective action
Individual exhaust gas
temperature of this cylinder is
too low in comparison with
weighted average.
1. Check spark plug.
2. Check emission values.
3. Check ignition timing (→ Page 163).
4. Check valve gear.
58 | Troubleshooting | MS15026/00E 2015-05
TIM-ID: 0000044566 - 002
