For 1990-2009 cars

## Scan Tool Output Controls 3.1L

Table 1: | Body Control Module (BCM)
Table 2: | Powertrain Control Module (PCM)

#### Body Control Module (BCM)

Scan Tool Output Control | Additional Menu Selection(s) | Description
--- | --- | ---
Display(s) Test | Miscellaneous Test | The BCM sends a command to the instrument panel (IPC) via the serial peripheral interface (SPI) to set all gauges to half scale and to turn on all indicators when you select On.

#### Powertrain Control Module (PCM)

Scan Tool Output Control | Additional Menu Selection(s) | Description
--- | --- | ---
Fans Low Speed | Fan Relays | The scan tool displays a Commanded State of None, Off or On. This allows you to communicate with the PCM and activate or deactivate the cooling fan 1 relay, manually turning the low speed fans On and Off.
Fans High Speed | Fan Relays | The scan tool displays a Commanded State of None, Off or On. This allows you to communicate with the PCM to activate or deactivate the cooling fan 1 relay, manually turning the low speed fans On. After a 3 second delay the PCM will activate the cooling fan S/P relay and the cooling fan 2 relay. This turns the high speed fans On and Off.