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112406 – LO T-Exhaust A6
Yellow alarm. Initiated by EMU.
Cause
Exhaust gas temperature of this
cylinder is too low in comparison
with weighted average.
112407 – LO T-Exhaust A7
Yellow alarm. Initiated by EMU.
Cause
Exhaust gas temperature of this
cylinder is too low in comparison
with weighted average.
112408 – LO T-Exhaust A8
Yellow alarm. Initiated by EMU.
Cause
Exhaust gas temperature of this
cylinder is too low in comparison
with weighted average.
112409 – LO T-Exhaust A9
Yellow alarm. Initiated by EMU.
Cause
Exhaust gas temperature of this
cylinder is too low in comparison
with weighted average.
Corrective action
1. Check igniter.
2. Check emission values (→ Page 47).
3. Check ignition timing (→ Page 176).
4. Check valve drive.
5. Check wiring on the ignition rail/ignition coil for thermal and
mechanical damage.
Corrective action
1. Check igniter.
2. Check emission values (→ Page 47).
3. Check ignition timing (→ Page 176).
4. Check valve drive.
5. Check wiring on the ignition rail/ignition coil for thermal and
mechanical damage.
Corrective action
1. Check igniter.
2. Check emission values (→ Page 47).
3. Check ignition timing (→ Page 176).
4. Check valve drive.
5. Check wiring on the ignition rail/ignition coil for thermal and
mechanical damage.
Corrective action
1. Check igniter.
2. Check emission values (→ Page 47).
3. Check ignition timing (→ Page 176).
4. Check valve drive.
5. Check wiring on the ignition rail/ignition coil for thermal and
mechanical damage.
MS150122/02E 2017-09 | Troubleshooting | 63
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