OPERATION
5-34 / Operating the Engine
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Operating the Engine
5-15. Starting the Engine
Diesel engine starting motors require a significant amount of current during the starting process. Keep all
unnecessary electronic loads turned OFF while starting the engine. Use the following steps for starting the engine:
1. Verify that the parking brake is engaged.
2. Place transmission shifter in N (Neutral).
3. Turn battery master switch to the ON position.
4. Move ignition switch to the ON position.
5. Vehicles with Command Zone™: Wait until prove out completes (approximately four seconds). If this is not done,
it may cause intermittent alarms to occur.
6. Vehicles equipped with Side Roll Protection System: The Side Roll Protection System fault light should
illuminate (bulb check). If the fault light does not illuminate, or remains lit after 30 seconds, contact your Pierce
Dealer. The vehicle may be driven, but should only be done so with the knowledge that the Side Roll Protection
System may be partially or completely inoperative. The cause of the fault indication must be corrected as soon
as possible. See “Side Roll Protection System (Optional)” on page 6-6 for additional information.
7. Push the starter button.
8. When engine starts, release the starter button.
If the engine does not start within 15 seconds, release the starter buttons and allow the starter motor
to cool for 60 seconds before attempting to start the engine again.
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