Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCADILLAC2002ELDORADO V8-4.6L VIN YREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESSCAN TOOL TESTING & PROCEDURES - ANTITHEFT SYSTEMSSCAN TOOL DATA DEFINITIONS
2002 Cadillac Eldorado V8-4.6L VIN Y
Scan Tool Data Definitions
2002 Cadillac Eldorado V8-4.6L VIN YSECTION Scan Tool Data Definitions
Door Jamb Switch: The scan tool displays On/Off. The input of the passenger door open switch, where a closed switch (passenger door open) is displayed as On.
Door Key Cyl. Unlock Sw: The scan tool displays On/Off. Display indicates the state of the door lock cylinder switch.
Driver Door Jamb Sw: The scan tool displays On/Off. Display indicates the state of driver door jamb switch, where a closed switch (driver door open) is displayed as On
Horn Output: The scan tool displays On/Off. Display indicates the commanded state of the BCM horn output.
Ignition Switch: The scan tool displays Accessory, Off/Lock, Off/Unlock., Run, Crank. Display indicates the state of the ignition switch.
Low Beam Output: The scan tool displays On/Off. The commanded state of the low beams control.
Park Lamp Relay Output: The scan tool displays On/Off. Display indicates the commanded state of the BCM park lamp relay output.
Theft Deterrent: The scan tool displays Armed, Arm Delay, Armed Initiate, Off, Ready. Display indicates the state of the theft deterrent system.
Trunk Tamper Switch: The scan tool displays On/Off. Display indicates the state of the trunk tamper switch.
PCM/VCM in VTD Fail Enable: The scan tool displays which state the Powertrain Control Module (PCM) is currently in for the Vehicle Theft Deterrent (VTD).
VTD Fuel Disable: The scan tool displays the state of which the fuel delivery system is in.
VTD Password: The scan tool displays if the fuel enable password sent to the Powertrain Control Module (PCM) upon cranking is OK or Incorrect.
VTD Auto Learn Timer: The scan tool displays which state the learn timer for the VTD is currently in.
Door Key Cyl. Unlock Sw: The scan tool displays On/Off. Display indicates the state of the door lock cylinder switch.
Driver Door Jamb Sw: The scan tool displays On/Off. Display indicates the state of driver door jamb switch, where a closed switch (driver door open) is displayed as On
Horn Output: The scan tool displays On/Off. Display indicates the commanded state of the BCM horn output.
Ignition Switch: The scan tool displays Accessory, Off/Lock, Off/Unlock., Run, Crank. Display indicates the state of the ignition switch.
Low Beam Output: The scan tool displays On/Off. The commanded state of the low beams control.
Park Lamp Relay Output: The scan tool displays On/Off. Display indicates the commanded state of the BCM park lamp relay output.
Theft Deterrent: The scan tool displays Armed, Arm Delay, Armed Initiate, Off, Ready. Display indicates the state of the theft deterrent system.
Trunk Tamper Switch: The scan tool displays On/Off. Display indicates the state of the trunk tamper switch.
PCM/VCM in VTD Fail Enable: The scan tool displays which state the Powertrain Control Module (PCM) is currently in for the Vehicle Theft Deterrent (VTD).
VTD Fuel Disable: The scan tool displays the state of which the fuel delivery system is in.
VTD Password: The scan tool displays if the fuel enable password sent to the Powertrain Control Module (PCM) upon cranking is OK or Incorrect.
VTD Auto Learn Timer: The scan tool displays which state the learn timer for the VTD is currently in.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.