Town Car V8-281 4.6L SOHC (1991): Sensors and Switches

Also for this vehicle: Town Car V8-302 5.0L (1987), Town Car V8-4.6L (2008), Town Car V8-4.6L SOHC VIN W (1999), Town Car V8-4.6L VIN V Flex Fuel (2006), Town Car V8-4.6L VIN W (1997), Town Car Factory Service Manual (2007).

Diagnostics Maintenance Engine Transmission Brakes Electrical Steering & suspension Heating & A/C Body & interior

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01Diagnostic Trouble Codes (DTC)Diagnostic Trouble Codes (DTC): Sections
02Relays and Modules Relays and Modules: Sections
03Sensors and Switches Sensors and Switches: Sections
- Sensors and Switches - Accessories and Optional Equipment3 pages
- Sensors and Switches - Body and Frame54 pages
  - Fuel Door Switch › Component Information › Locations
  - Hood Switch / Sensor3 pages
    Hood Sensor/Switch (For Alarm) › Component Information › Locations
    Underhood Lamp Switch › Component Information › Technical Service Bulletins › Hood Lamp Switch - Revised2
  - Power Door Lock Switch › Component Information11 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10
  - Power Mirror Switch › Component Information8 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7
  - Power Seat Switch › Component Information › Locations › Power Lumbar Seat Switch2 3 4
  - Power Trunk / Liftgate Lock Switch › Component Information › Diagrams › Diagram Information and Instructions2 3 4 5 6 7
  - Seat Memory Switch › Component Information › Locations
  - Sunroof / Moonroof Switch › Component Information › Locations
  - Trunk / Liftgate Switch › Component Information18 pages
    Technical Service Bulletins10 pages
    Customer Interest for Trunk / Liftgate Switch: › 9651 › Feb › 96 › Decklid Power Pull-Down - Inoperative2 3 4 5
    All Technical Service Bulletins for Trunk / Liftgate Switch: › 9651 › Feb › 96 › Decklid Power Pull-Down - Inoperative2 3 4 5
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8
- Sensors and Switches - Brakes and Traction Control14 pages
- Sensors and Switches - Cooling System › Engine - Coolant Temperature Sensor/Switch10 pages
- Sensors and Switches - Cruise Control › Cruise Control Switch › Component Information › Service and Repair
- Sensors and Switches - Engine › Oil Pressure Switch <--> [Oil Pressure Sender] › Component Information › Locations
- Sensors and Switches - HVAC19 pages
  - Ambient Temperature Sensor / Switch HVAC › Component Information › Locations › Ambient Temperature Sensor2
  - Blower Motor Switch › Component Information › Testing and Inspection
  - Blower Override Switch › Component Information › Locations
  - Cabin Temperature Sensor / Switch › Component Information › Locations2
  - Thermo Blower Lockout (TBL) Switch <--> [Heater Lockout Switch] › Component Information › Description and Operation2
  - Refrigerant Pressure Sensor / Switch, HVAC › Component Information11 pages
    Technical Service Bulletins8 pages
    Customer Interest for Refrigerant Pressure Sensor / Switch:4 pages
    92204 › Sep › 92 › A/C Clutch - Ticking/Pinging or Popping2
    91155 › Jul › 91 › A/C System - Chemical/Refrigerator Type Odor2
    All Technical Service Bulletins for Refrigerant Pressure Sensor / Switch:4 pages
    92204 › Sep › 92 › A/C Clutch - Ticking/Pinging or Popping2
    91155 › Jul › 91 › A/C System - Chemical/Refrigerator Type Odor2
    Testing and Inspection › Test B1-B62 3
- Sensors and Switches - Instrument Panel24 pages
  - Brake Pad Wear Sensor › Component Information › Locations
  - Door Switch › Component Information › Locations › Door Ajar Switch2
  - Fuel Gauge Sender › Component Information17 pages
    Technical Service Bulletins12 pages
    Customer Interest for Fuel Gauge Sender:6 pages
    9523 › Jan › 95 › Electronic Fuel Gauge - Erratic Readings2
    92233 › Nov › 92 › Digital Fuel Gauge - Displays CO Error Code2 3 4
    All Technical Service Bulletins for Fuel Gauge Sender:6 pages
    9523 › Jan › 95 › Electronic Fuel Gauge - Erratic Readings2
    92233 › Nov › 92 › Digital Fuel Gauge - Displays CO Error Code2 3 4
    Testing and Inspection › Magnetic Type2 3 4 5
  - Key Reminder Switch › Component Information › Locations
  - Parking Brake Warning Switch › Component Information › Locations
  - Temperature Switch (Warning Indicator) › Component Information › Testing and Inspection › Pinpoint Tests2
- Sensors and Switches - Lighting and Horns79 pages
  - Ambient Light Sensor › Component Information › Locations
  - Backup Lamp Switch › Component Information › Locations
  - Brake Light Switch › Component Information › Locations2 3
  - Combination Switch › Component Information › Technical Service Bulletins10 pages
    Customer Interest for Combination Switch: › 01-12-1 › Jun › 01 › Front Wiper Motor - Erratic Operation2 3 4 5
    All Technical Service Bulletins for Combination Switch: › 01-12-1 › Jun › 01 › Front Wiper Motor - Erratic Operation2 3 4 5
  - Door Switch › Component Information › Locations › Door Ajar Switch2
  - Hazard Warning Switch › Component Information18 pages
    Technical Service Bulletins10 pages
    Customer Interest for Hazard Warning Switch: › 01-12-1 › Jun › 01 › Front Wiper Motor - Erratic Operation2 3 4 5
    All Technical Service Bulletins for Hazard Warning Switch: › 01-12-1 › Jun › 01 › Front Wiper Motor - Erratic Operation2 3 4 5
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8
  - Headlamp Dimmer Switch › Component Information20 pages
    Technical Service Bulletins10 pages
    Customer Interest for Headlamp Dimmer Switch: › 01-12-1 › Jun › 01 › Front Wiper Motor - Erratic Operation2 3 4 5
    All Technical Service Bulletins for Headlamp Dimmer Switch: › 01-12-1 › Jun › 01 › Front Wiper Motor - Erratic Operation2 3 4 5
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10
  - Headlamp Switch › Component Information › Locations › Headlamp Switch2
  - Interior Light Switch › Component Information › Locations › Courtesy Lamp Switch2
  - Turn Signal Switch › Component Information18 pages
    Technical Service Bulletins10 pages
    All Technical Service Bulletins for Turn Signal Switch: › 01-12-1 › Jun › 01 › Front Wiper Motor - Erratic Operation2 3 4 5
    Customer Interest for Turn Signal Switch: › 01-12-1 › Jun › 01 › Front Wiper Motor - Erratic Operation2 3 4 5
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8
  - Underhood Lamp Switch › Component Information › Technical Service Bulletins › Hood Lamp Switch - Revised2
- Sensors and Switches - Powertrain Management103 pages
  - Sensors and Switches - Computers and Control Systems55 pages
    Mass Air Flow (MAF) Sensor <--> [Air Flow Meter/Sensor] › Component Information › Technical Service Bulletins6 pages
    Customer Interest for Mass Air Flow (MAF) Sensor: › 98-23-10 › Nov › 98 › Engine - Lean Driveability Symptoms2 3
    All Technical Service Bulletins for Mass Air Flow (MAF) Sensor: › 98-23-10 › Nov › 98 › Engine - Lean Driveability Symptoms2 3
    Barometric Pressure Sensor › Component Information › Description and Operation
    Camshaft Position Sensor › Component Information7 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6
    Coolant Temperature Sensor/Switch (For Computer) › Component Information › Locations2 3
    Crankshaft Position Sensor › Component Information8 pages
    Specifications2
    Diagrams › Diagram Information and Instructions2 3 4 5 6
    Cylinder Identification Sensor › Component Information › Locations2
    Intake Air Temperature Sensor › Component Information › Locations2
    Manifold Pressure/Vacuum Sensor › Component Information › Description and Operation
    Oxygen Sensor › Component Information › Technical Service Bulletins › EGO Sensors - Silicone Contamination2 3 4 5 6
    Power Steering Pressure Switch › Component Information › Locations2
    Pressure Feedback Exhaust Sensor, EGR › Component Information › Technical Service Bulletins › EGR DPFE Sensor - Voltage Range Revision2
    Throttle Full Open Switch › Component Information › Locations
    Throttle Position Sensor › Component Information › Specifications2 3 4 5
    Transmission Position Switch/Sensor, A/T › Component Information › Locations
    Vehicle Speed Sensor › Component Information8 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7
  - Sensors and Switches - Emission Control Systems › Pressure Feedback Exhaust Sensor, EGR › Component Information › Technical Service Bulletins › EGR DPFE Sensor - Voltage Range Revision2
  - Sensors and Switches - Fuel Delivery and Air Induction19 pages
    Mass Air Flow (MAF) Sensor <--> [Air Flow Meter/Sensor] › Component Information › Technical Service Bulletins6 pages
    Customer Interest for Mass Air Flow (MAF) Sensor: › 98-23-10 › Nov › 98 › Engine - Lean Driveability Symptoms2 3
    All Technical Service Bulletins for Mass Air Flow (MAF) Sensor: › 98-23-10 › Nov › 98 › Engine - Lean Driveability Symptoms2 3
    Fuel Pump Inertia Switch <--> [Inertia Fuel Shutoff Switch] › Component Information7 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6
    Throttle Full Open Switch › Component Information › Locations
    Throttle Position Sensor › Component Information › Specifications2 3 4 5
  - Sensors and Switches - Ignition System27 pages
    Camshaft Position Sensor › Component Information7 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6
    Crankshaft Position Sensor › Component Information8 pages
    Specifications2
    Diagrams › Diagram Information and Instructions2 3 4 5 6
    Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Technical Service Bulletins12 pages
    All Technical Service Bulletins for Ignition Switch Lock Cylinder: › 9339 › Feb › 93 › Ignition Switch Lock/Steering Lock - Difficult Operation2 3 4 5 6
    Customer Interest for Ignition Switch Lock Cylinder: › 9339 › Feb › 93 › Ignition Switch Lock/Steering Lock - Difficult Operation2 3 4 5 6
- Sensors and Switches - Restraint Systems10 pages
  - Impact Sensor › Component Information6 pages
    Specifications2 3
    Service and Repair › Front Center Sensor2 3
  - Safing Sensor, Air Bag › Component Information › Specifications2 3
  - Seat Belt Buckle Switch › Component Information › Locations
- Sensors and Switches - Starting and Charging13 pages
  - Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Technical Service Bulletins12 pages
    Customer Interest for Ignition Switch Lock Cylinder: › 9339 › Feb › 93 › Ignition Switch Lock/Steering Lock - Difficult Operation2 3 4 5 6
    All Technical Service Bulletins for Ignition Switch Lock Cylinder: › 9339 › Feb › 93 › Ignition Switch Lock/Steering Lock - Difficult Operation2 3 4 5 6
  - Neutral Safety Switch › Component Information › Service and Repair
- Sensors and Switches - Steering and Suspension9 pages
  - Sensors and Switches - Steering3 pages
    Power Steering Pressure Switch › Component Information › Locations2
    Steering Angle Sensor › Component Information › Service and Repair
  - Sensors and Switches - Suspension6 pages
    Ride Height Sensor, Suspension Control › Component Information › Locations2 3
    Steering Angle Sensor › Component Information › Service and Repair
    Suspension Mode Switch › Component Information › Locations2
- Sensors and Switches - Transmission and Drivetrain3 pages
  - Sensors and Switches - A/T2 pages
    Transmission Position Switch/Sensor, A/T › Component Information › Locations
    Transmission Speed Sensor, A/T › Component Information › Locations
  - Sensors and Switches - M/T › Transmission Speed Sensor, M/T › Component Information › Locations
- Sensors and Switches - Windows and Glass19 pages
  - Heated Glass Element Switch › Component Information › Locations › Heated Windshield Switch2
  - Power Window Switch › Component Information17 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8
    Testing and Inspection › Master Power Window Switch2 3 4 5
    Service and Repair › Master Control2 3
- Sensors and Switches - Wiper and Washer Systems21 pages
  - Washer Fluid Level Switch › Component Information › Locations
  - Windshield Washer Switch › Component Information › Technical Service Bulletins10 pages
    All Technical Service Bulletins for Windshield Washer Switch: › 01-12-1 › Jun › 01 › Front Wiper Motor - Erratic Operation2 3 4 5
    Customer Interest for Windshield Washer Switch: › 01-12-1 › Jun › 01 › Front Wiper Motor - Erratic Operation2 3 4 5
  - Wiper Switch › Component Information › Technical Service Bulletins10 pages
    Customer Interest for Wiper Switch: › 01-12-1 › Jun › 01 › Front Wiper Motor - Erratic Operation2 3 4 5
    All Technical Service Bulletins for Wiper Switch: › 01-12-1 › Jun › 01 › Front Wiper Motor - Erratic Operation2 3 4 5
04Maintenance Maintenance: Sections
05Engine, Cooling and Exhaust Engine, Cooling and Exhaust: Sections
06Powertrain Management Powertrain Management: Sections
07Transmission and Drivetrain Transmission and Drivetrain: Sections
08Brakes and Traction Control Brakes and Traction Control: Sections
09Starting and Charging Starting and Charging: Sections
10Power and Ground Distribution Power and Ground Distribution: Sections
11Steering and Suspension Steering and Suspension: Sections
12Heating and Air Conditioning Heating and Air Conditioning: Sections
13Restraint Systems Restraint Systems: Sections
14Accessories and Optional Equipment Accessories and Optional Equipment: Sections
15Body and Frame Body and Frame: Sections
16Cruise Control Cruise Control: Sections
17Instrument Panel, Gauges and Warning Indicators Instrument Panel, Gauges and Warning Indicators: Sections
18Lighting and Horns Lighting and Horns: Sections
19Windows and Glass Windows and Glass: Sections
20Wiper and Washer Systems Wiper and Washer Systems: Sections