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 MANUALSCADILLAC1997SEVILLE SLS V8-4.6L VIN YREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSBODY CONTROL MODULEDESCRIPTION AND OPERATIONBODY CONTROL SYSTEM CIRCUIT DESCRIPTIONWAKE-UP/ASLEEP STATES
1997 Cadillac Seville SLS V8-4.6L VIN Y
Wake-Up/Asleep States
1997 Cadillac Seville SLS V8-4.6L VIN YSECTION Wake-Up/Asleep States
"Wake-ups" are signals that will turn the PZM on and cause it to begin active control and/or monitoring. The PZM is "Asleep" when it has stopped controlling or monitoring and has become idle again. The PZM Wake-ups are:
^ Key in Door Lock Switch
^ Door Ajar Switches
^ Power Door Lock Switches
^ Trunk Ajar Switch
^ Trunk Tamper Switch
^ Ignition "ON"
^ Ignition "ACC"
^ Any Class 2 communication requiring PZM interaction
^ Key in Door Lock Switch
^ Door Ajar Switches
^ Power Door Lock Switches
^ Trunk Ajar Switch
^ Trunk Tamper Switch
^ Ignition "ON"
^ Ignition "ACC"
^ Any Class 2 communication requiring PZM interaction
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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.