Circuit/System Description

The wake up signal circuit is energized by the hybrid powertrain control module 2 to immediately activate other control modules connected to this circuit when the body control module (BCM) signals the powertrain control module 2 that serial data is required.

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

• 14 V Power Module
• Battery Charger
• Battery Energy Control Module (BECM)
• Electronic Brake Control Module (EBCM)
• A/C Compressor
• Transmission Control Module (TCM)
• Engine Control Module (ECM)
• Power Inverter Module