For 1990-2009 cars

### Instrument Panel Module (IPM)

Steering Wheel Controls Return: The scan tool displays the number of counts corresponding to the signal of the switch pressed.
Battery Voltage Signal: The scan tool displays the battery voltage. The battery voltage input represents the system voltage measured at the moduleignition feed input.
Accessory, Run, or Run/Crank Relay Status: The scan tool displays the status of the respective relay.
Start, Accessory, or OFF LED Duty Cycle: The scan tool displays the percentage of the PWMcontrol signal of the respective LED.

### Rear Integration Module (RIM)

Battery Voltage Signal: The scan tool displays the battery voltage. The battery voltage input represents the system voltage measured at the module ignition feed input.
Run/Crank Terminal Status: The scan tool displays the status of the respective input.
Sunroof Enable Command: The scan tool displays the status of the respective output.

### Remote Control Door Lock Receiver (RCDLR)

Battery Voltage Signal: The scan tool displays the battery voltage. The battery voltage input represents the system voltage measured at the module ignition feed input.
Ignition Mode Switch: The scan tool displays the voltage and the state read by the module from the ignition mode switch.
Ign. Mode Sw. Dimming Command: The scan tool displays the status of the ignition mode switch dimming.
Ignition Switch Trouble: The scan tool displays if the remote control door lock receiver (RCDLR) detected a fault on the ignition mode switch signal circuit.
Invalid Power Moding: The scan tool displays if the RCDLR has detected invalid power mode.
Back up Power Moding: The scan tool displays if back up power mode is active or not.
Run/Crank Relay Command: The scan tool displays if the run/crank relay is controlled or not by the module.
Run/Crank Relay Status: The scan tool displays the status of the run/crank relay status.

### Driver/Passenger Door Module (DDM/PDM)

Door Ajar Switch: The scan tool displays the status of the respective door switch.