LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2012 >> Explorer Limited, 3.5 8, AWD >> Repair and Diagnosis >> Body & Frame >> Seats >> Seat System - Seats-Seating - 1ST Row >> Diagnostic Routine(S) >> Diagnostic Routine AH >> Pinpoint Test

Pinpoint Test

NOTE: When taking measurements at DCSM harness connectors, do not insert the electrical probes into the female connector pins. Inserting the probes into connector pins can cause intermittent or open electrical connections after reassembly resulting in DTCs  and system failure. Touching the tip of these connector pins is recommended instead.
  1. CHECK THE TED BLOWER MOTOR CIRCUITS FOR A SHORT TO VOLTAGE
    1. WARNING: Turn the ignition OFF and wait one minute to deplete the backup power supply. Failure to follow this instruction may result in serious personal injury or death in the event of an accidental deployment.

      Ignition OFF.

    2. Disconnect: Driver Seat Side Air Bag C3051.
    3. Disconnect: Passenger Seat Side Air Bag C339.
    4. Disconnect: DCSM C3265C.
    5. Disconnect: Driver Cushion TED C3035.
    6. Disconnect: Driver Backrest TED C3034.
    7. Ignition ON.
    8. Measure:
      DCSM Ground
      G08039478
      G08039479
      C3265C Ground
      Pin Circuit Measurement / Action Pin Circuit
      15 RHS03 (GY/OG)
      G08039480
      		 - Ground
      16 CHS03 (GN/BN)
      G08039481
      		 - Ground

    Is any voltage present? 

    1. Yes: REPAIR the affected circuit. GO to  5  .
    2. No: GO to 2  .
  2. CHECK THE DRIVER TED BLOWER MOTOR CIRCUITS FOR AN OPEN
    1. Ignition OFF.
    2. Measure:
      DCSM Driver Cushion TED
      G08039482
      G08039483
      C3265C C3035
      Pin Circuit Measurement / Action Pin Circuit
      16 CHS03 (GN/BN)
      G08039484
      		 2 CHS03 (GN/BN)
      15 RHS03 (GY/OG)
      G08039485
      		 4 RHS03 (GY/OG)
    3. Measure:
      DCSM Driver Backrest TED
      G08039486
      G08039487
      C3265C C3034
      Pin Circuit Measurement / Action Pin Circuit
      16 CHS03 (GN/BN)
      G08039488
      		 2 CHS03 (GN/BN)
      15 RHS03 (GY/OG)
      G08039489
      		 4 RHS03 (GY/OG)

    Are the resistances less than 3 ohms? 

    1. Yes: GO to 3  .
    2. No: REPAIR the affected circuit. GO to  5  .
  3. CHECK THE RESISTANCE OF THE DRIVER CUSHION AND BACKREST TED BLOWER MOTORS
    1. NOTE: Connect the ohmmeter with the positive lead to pin 2 and the negative lead to pin 4 when measuring. Ohmmeter leads incorrectly connected can result in false readings and lead to incorrect identification of components that are not damaged.

      Measure:

      Driver Cushion TED Driver Cushion TED
      G08039490
      G08039491
      C3035 Component Side C3035 Component Side
      Pin Circuit Measurement / Action Pin Circuit
      2 -
      G08039492
      		 4 -
      Driver Backrest TED Driver Backrest TED
      G08039493
      G08039494
      C3034 Component Side C3034 Component Side
      Pin Circuit Measurement / Action Pin Circuit
      2 -
      G08039495
      		 4 -

    Are the resistances between 4, 000 ohms and 10, 000 ohms? 

    1. Yes: GO to 4  .
    2. No: If the resistance of the cushion TED was not between 4, 000 ohms and 10, 000 ohms, INSTALL a new seat cushion TED. REFER to Seat Cushion Thermo-Electric Device (TED) . GO to  5.

      If the resistance of the backrest TED was not between 4, 000 ohms and 10, 000 ohms, INSTALL a new seat backrest TED. REFER to Seat Backrest Thermo-Electric Device (TED) . GO to  5.

  4. CHECK FOR CORRECT DCSM OPERATION
    1. Ignition OFF.
    2. Disconnect and inspect all DCSM connectors.
    3. Repair:
      • corrosion (install new connector or terminals - clean module pins)
      • damaged or bent pins - install new terminals/pins as necessary
      • pushed-out pins - install new pins as necessary
    4. Reconnect the DCSM connectors. Make sure they seat and latch correctly.
    5. Connect: Driver Backrest TED C3034.
    6. Connect: Driver Cushion TED C3035.
    7. Operate the system and determine if the concern is still present.

    Is the concern still present? 

    1. Yes: CHECK OASIS  for any applicable TSBs  . If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs  address this concern, INSTALL a new DCSM. REFER to Dual Climate Controlled Seat Module (DCSM) . GO to 5  .
    2. No: The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues. GO to 5  .
  5. CHECK FOR SRS DTCs 
    1. WARNING: Turn the ignition OFF and wait one minute to deplete the backup power supply. Failure to follow this instruction may result in serious personal injury or death in the event of an accidental deployment.

      Ignition OFF.

    2. Connect: Driver Seat Side Air Bag C3051.
    3. Connect: Passenger Seat Side Air Bag C339.
    4. Connect: DCSM C3265C (if previously disconnected).
    5. Connect: Driver Backrest TED C3034 (if previously disconnected).
    6. Connect: Driver Cushion TED C3035 (if previously disconnected).
    7. Ignition ON.
    8. Using a scan tool, clear the RCM DTCs  .
    9. Cycle the ignition OFF then ON.
    10. Using a scan tool, perform RCM self-test.

    Are any RCM DTCs retrieved during self-test? 

    1. Yes: REFER to DTC CHART: RESTRAINT CONTROL MODULE (RCM) for pinpoint test direction.
    2. No: The repair is complete. RETURN the vehicle to the customer.
scientia non olet · About LEMON Manuals