For 1990-2009 cars

Table 1: | Instrument Panel Cluster (IPC)
Table 2: | Engine Control Module (ECM)/Powertrain Control Module (PCM)

#### Instrument Panel Cluster (IPC)

Scan Tool Output Control | Additional Menu Selections | Description
--- | --- | ---
Special Functions | Chime Test | The instrument panel cluster (IPC) turns the chime on when ON is selected from the scan tool. The chime sounds at a low chime rate until commanded OFF.
Special Functions | DIC All Segment Test | All segments of the driver information center (DIC) illuminates when ON is selected from the scan tool.
Special Functions | Dimming | The instrument panel cluster (IPC) dims from 0 - 100 percent when commanded ON from the scan tool.
Special Functions | Display Test | The IPC illuminates all of the indicators for seven seconds when commanded ON from the scan tool. The IPC turns off the indicators when commanded OFF from the scan tool or the IPC turns the indicators OFF after the seven seconds.
Special Functions | IPC Gage Sweep Test | The IPC drives all of the gages at or above maximum for a few seconds when commanded from the scan tool. The IPC Display Test will end after one cycle of the gage sweep.

#### Engine Control Module (ECM)/Powertrain Control Module (PCM)

Scan Tool Output Control | Additional Menu Selections | Description
--- | --- | ---
Special Functions | Malfunction Indicator Lamp (MIL) | The engine control module (ECM)/Powertrain Control Module (PCM) commands the MIL indicator ON and OFF.