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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 2542 (Seat System - Seats) >> Diagnostic Tests >> Seats >> Pinpoint Tests >> Pinpoint Test S: The Heated Seat is Inoperative - Right Rear, Does Not Operate in High >> Pinpoint Test S: The Heated Seat Is Inoperative - Right Rear, Does Not Operate In High

Pinpoint Test S: The Heated Seat Is Inoperative - Right Rear, Does Not Operate In High

WARNING: This page is about a different car, the 2010 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
  1. S1 CHECK HEATED SEAT SWITCH INPUT RESISTANCE TO THE HEATED SEAT MODULE 
    • Key in OFF position.
    • Disconnect: Right Rear Heated Seat Module C3163
    • Measure resistance between right rear heated seat module C3163-8, circuit 581 (RD), harness side and ground while pressing the heated seat switch.
    • Is resistance less than 75 ohms while pressing the heated seat switch? 
    1. YES  : INSTALL a new heated seat module. REFER to Heated Seat Module - Rear Seat . TEST the system for normal operation.
    2. NO  : Go to  S2.
  2. S2 CHECK CIRCUITS 581 (RD) AND 1020 (DG/VT) FOR AN OPEN OR SHORT TO GROUND 
    • Disconnect: Right Rear Heated Seat Switch C822
      • Fig 1: Checking Circuit 1020 (DG/VT) For An Open Or Short To Ground
      GF0013095Courtesy of FORD MOTOR CO.
    • Measure resistance between:
      • right rear heated seat switch C822-6, circuit 1020 (DG/VT), harness side and right rear heated seat module C3163-8, circuit 581 (RD), harness side.
      • right rear heated seat switch C822-6, circuit 1020 (DG/VT), harness side and ground.
    • Is resistance less than 5 ohms between the heated seat switch and heated seat module and greater than 10,000 ohms between the heated seat switch and ground? 
    1. YES  : Go to  S3.
    2. NO  : REPAIR the circuit(s). TEST the system for normal operation.
  3. S3 CHECK CIRCUIT 581 (RD) FOR A SHORT TO VOLTAGE 
    • Key in ON position.
      • Fig 2: Checking Circuit 1020 (DG/VT) For A Short To Voltage
      GF0013096Courtesy of FORD MOTOR CO.
    • Measure voltage between right rear heated seat module C3163-8, circuit 581 (RD), harness side and ground.
    • Is any voltage present? 
    1. YES  : INSTALL a new heated seat switch. TEST the system for normal operation.
    2. NO  : REPAIR the circuit. TEST the system for normal operation.
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