112503 – HIHI T-Exhaust A3
Red alarm. Initiated by EMU.
Cause
Corrective action
Exhaust gas temperature of this
cylinder is too high in comparison
with weighted average.
1. Check emission values.
2. Check ignition timing (→ Page 154).
3. Check valve gear (exhaust valves do not close).
112504 – HIHI T-Exhaust A4
Red alarm. Initiated by EMU.
Cause
Corrective action
Exhaust gas temperature of this
cylinder is too high in comparison
with weighted average.
1. Check emission values.
2. Check ignition timing (→ Page 154).
3. Check valve gear (exhaust valves do not close).
112505 – HIHI T-Exhaust A5
Red alarm. Initiated by EMU.
Cause
Corrective action
Exhaust gas temperature of this
cylinder is too high in comparison
with weighted average.
1. Check emission values.
2. Check ignition timing (→ Page 154).
3. Check valve gear (exhaust valves do not close).
112506 – HIHI T-Exhaust A6
Red alarm. Initiated by EMU.
Cause
Corrective action
Exhaust gas temperature of this
cylinder is too high in comparison
with weighted average.
1. Check emission values.
2. Check ignition timing (→ Page 154).
3. Check valve gear (exhaust valves do not close).
112507 – HIHI T-Exhaust A7
Red alarm. Initiated by EMU.
Cause
Corrective action
Exhaust gas temperature of this
cylinder is too high in comparison
with weighted average.
1. Check emission values.
2. Check ignition timing (→ Page 154).
3. Check valve gear (exhaust valves do not close).
112508 – HIHI T-Exhaust A8
Red alarm. Initiated by EMU.
Cause
Corrective action
Exhaust gas temperature of this
cylinder is too high in comparison
with weighted average.
1. Check emission values.
2. Check ignition timing (→ Page 154).
3. Check valve gear (exhaust valves do not close).
74 | Troubleshooting | MS150098/03E 2018-04
TIM-ID: 0000027854 - 002
