GM Service Manual Online
For 1990-2009 cars only

Engine Control Module (ECM)

Scan Tool Output Control

Additional Menu Selection(s)

Description

GEN L-Terminal

Output Controls

The engine control module (ECM) commands the generator ON/OFF when selected.

Starter Relay

Output Controls

The ECM commands the Starter Relay ON/OFF when selected.

Engine Control Module (ECM)

Scan Tool Output Control

Additional Menu Selection(s)

Description

GEN L-Terminal

Output Controls

The engine control module (ECM) commands the generator ON/OFF when selected.

Starter Relay

Output Controls

The ECM commands the Starter Relay ON/OFF when selected.