Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Scan Tool Data Definitions - Dash Integration Module (DIM)

8 Digit GM Part Number: Scan tool displays: part number - Display indicates the part number of the DDM.

Battery Voltage: Scan tool displays: volts - Display indicates the battery voltage input, 0 - 30 volts is the operating range.

Calibration ID: Scan tool displays: number - Display indicates the 4 digit calibration ID of the DDM.

Daytime Running Lamp: Scan tool displays: On/Off - Display indicates the commanded state of the daytime running lamp relay.

Flash to Pass Switch: Scan tool displays: On/Off - Display indicates the state of the flash to pass switch.

Head Lamp Switch: Scan tool displays: On/Off - Display indicates the state of the flash to pass switch signal. On indicates the flash to pass headlamps are requested on.

High Beam Output Scan tool displays: On/Off - Display indicates the commanded state of the high beam relay.

Incandescent Dim #1: Scan tool displays: On/Off - Display indicates the state of the incandescent lamp ground circuit.

Lights On with Wipers: Scan tool displays: On/Off - Display indicates the state of the wiper/washer system.

Low Beam Output: Scan tool displays: On/Off - Display indicates the commanded state of the low beam relay.

Park Lamp: Scan tool displays: On/Off - Display indicates the state of the park lamp switch.

Park Lamp Relay Output: Scan tool displays: On/Off - Display indicates the commanded state of the park lamp relay.

PROM ID: Scan tool displays: number - Display indicates the 4 digit PROM ID of the DIM.