GM Service Manual Online
For 1990-2009 cars only

Keyless Entry Control Module Scan Tool Data Parameters

Parameter

Expected Value

Definition

Operating Conditions: Ignition ON

Driver Door Open Switch

Active/Inactive

This parameter indicates that the driver door is more than just ajar, it is open.

Passenger Door Open Switch

Active/Inactive

This parameter indicates that the passenger door is more than just ajar, it is open.

Left Rear Door Ajar Switch

Active/Inactive

This parameter indicates that the driver's side rear door is ajar; it is open, yet the safety latch is engaged.

Exterior Left Rear Door Handle Switch

Active/Inactive

This switch begins the challenge and response to determine if the door should be unlocked. If the vehicle responds correctly to the challenge, the door will be unlocked or unlatched.

Right Rear Door Ajar Switch

Active/Inactive

This parameter indicates that the passenger's side rear door is ajar; it is open, yet the safety latch is engaged.

Exterior Right Rear Door Handle Switch

Active/Inactive

This switch begins the challenge and response to determine if the door should be unlocked. If the vehicle responds correctly to the challenge, the door will be unlocked or unlatched.

Driver Door Ajar Switch

Active/Inactive

This parameter indicates that the driver door is ajar; it is open, yet the safety latch is engaged.

Driver Door Unlock Switch

Active/Inactive

This parameter indicates if the driver door is locked or unlocked.

Exterior Driver Door Handle Switch

Active/Inactive

This switch begins the challenge and response to determine if the door should be unlocked. If the vehicle responds correctly to the challenge, the door will be unlocked or unlatched.

Liftgate Ajar Switch

Active/Not Active

This switch indicates if the rear closure of the vehicle is ajar.

Passenger Door Ajar Switch

Active/Inactive

This parameter indicates that the passenger door is ajar; it is open, yet the safety latch is engaged.

Exterior Passenger Door Handle Switch

Active/Inactive

This switch begins the challenge and response to determine if the door should be unlocked. If the vehicle responds correctly to the challenge, the door will be unlocked or unlatched.

Exterior Driver Door Handle Proximity Sensor

Active, Inactive, Fault

This is a capacitive proximity sensor on the exterior of the driver door handle. It allows the user to lock the door by pressing a small rectangle on the outside of the door handle if a key is detected leaving the vehicle.

Exterior Passenger Door Handle Proximity Sensor

Active, Inactive, Fault

This is a capacitive proximity sensor on the exterior of the driver door handle. It allows the user to lock the door by pressing a small rectangle on the outside of the door handle if a key is detected leaving the vehicle.

Liftgate Handle Switch

Active/Inactive

This switch begins the challenge and response to determine if the rear closure should be unlatched. If the vehicle responds correctly to the challenge, the rear liftgate will be unlatched.