For 1990-2009 cars

Table 1: | Body Control Module (BCM)
Table 2: | Engine Control Module (ECM) -- 3.0L (L81)
Table 3: | Powertrain Control Module (PCM) -- 2.2L (L61)

#### Body Control Module (BCM)

Scan Tool Parameter | Data List | Units Displayed | Typical Data Value
--- | --- | --- | ---
Ignition Switch in RUN/Engine running/Automatic Transmission in PARK/Air Conditioner is OFF
Low Coolant | Inputs | Yes/No | No

#### Engine Control Module (ECM) -- 3.0L (L81)

Scan Tool Parameter | Data List | Units Displayed | Typical Data Value
--- | --- | --- | ---
Ignition Switch in RUN/Engine running/Automatic Transmission in PARK/Air Conditioner is OFF
ECT Sensor | Inputs/Outputs | °C/°F | Varies
Fan Control 1 Command | Outputs | On/Off | Varies
Fan Control 2 Command | Outputs | On/Off | Varies
Fan Speed | Outputs | Low/Med/High | No

#### Powertrain Control Module (PCM) -- 2.2L (L61)

Scan Tool Parameter | Data List | Units Displayed | Typical Data Value
--- | --- | --- | ---
Ignition Switch in RUN/Engine running/Automatic Transmission in PARK/Air Conditioner is OFF
ECT Sensor | Inputs/Outputs | °C/°F | Varies
Fan Control 1 Command | Outputs | On/Off | Varies
Fan Control 2 Command | Outputs | On/Off | Varies
FC 1 Relay CKT Open Short to Grnd | Outputs | Yes/No | No
FC 1 Relay CKT Open Short to Grnd | Outputs | Yes/No | No
FC 2 Relay CKT Short to Volts | Outputs | Yes/No | No
FC 2 Relay CKT Short to Volts | Outputs | Yes/No | No