Component Parts Location

Left side of engine room

Front side of sub battery

Behind sub battery

No.

Component

Function

Battery sensor

Refer to Battery Sensor .

Alternator

Refer to Alternator .

ECM

• ECM controls alternator via LIN communication.
• ECM transmits engine status and alternator status to BCM via CAN communication.
• Refer to Component Parts Location for detailed installation location.

BCM

• BCM receives battery status from battery sensor via LIN communication.
• BCM receives engine status and alternator status from ECM via CAN communication.
• BCM performs energy management system.

Electronic ignition switch control unit

• Electronic ignition switch transmits signal between BCM and ECM via CAN communication.
• Refer to Component Parts Location for detailed installation location.

Combination meter

Combination meter receives signal from BCM via CAN communication and displays the message.

Decoupling relay

Decoupling relay opens when engine is restarted by stop/start system.

Latching terminal relay 30g

Latching terminal relay 30g opens when the consumers is shut off by energy management system.

Sub battery relay

Sub battery relay closes when engine is restarted by stop/start system.