Starting System - V6 S/C 3.0L Petrol (G2006277): Overview

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The starting system is fitted with a starter motor incorporating a single solenoid. To accommodate the increased motor starts, vehicles with the Auto stop/start system are equipped with an enhanced starter motor.

The starting system is a passive system, controlled by the Powertrain Control Module (PCM). The PCM initiates starting system operation when a valid Smart key is in the vehicle and the ignition switch is operated.

The PCM controls operation of the starter motor using a starter relay in the Engine Junction Box 2 (EJB 2).

The PCM interacts with other vehicle systems to determine when auto stop/start intervention is required. The auto stop/start warning indicator provides a visual indication of when the engine is stopped in a stop/start cycle. The auto stop/start function is automatically activated each time an ignition cycle occurs. However, if required the driver can deactivate the system using the appropriate menu on the Interactive Control Display Module (ICDM).

Vehicles with an auto stop/start system incorporate a brake vacuum sensor to enable the PCM to monitor the pressure in the brake booster during stop/start operation.

The Auto stop/start system uses a Voltage Quality Module (VQM), to provide sufficient battery power is available for repeated engine starts without affecting the operation of the vehicle systems. For additional information, Refer to: BATTERY AND CABLES