Circuit/System Description

The accessory wake up serial data 2 circuit is energized by the Hybrid/EV Powertrain Control Module 2 to immediately activate other devices connected to this circuit when the Body Control Module signals the Hybrid/EV Powertrain Control Module 2 that serial data is required.

Depending on the option content, devices that may receive the wake up signal are as follows:

• 14 V Power Module
• Battery Charger
• Battery Energy Control Module
• Electronic Brake Control Module
• A/C Compressor
• Transmission Control Module
• Engine Control Module
• Power Inverter Module