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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 CIRCUITS FOR A SHORT TO GROUND
    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: Passenger Seat Side Air Bag C339.
    3. Disconnect: DCSM C3265A.
    4. Measure:
      DCSM Ground
      G08039071
      G08039070
      C3265A Ground
      Pin Circuit Measurement / Action Pin Circuit
      A CHS07 (GY/BU)
      G08039072
      		 - Ground
      B RHS07 (BU)
      G08039073
      		 - Ground
      C CHS06 (BU/BN)
      G08039074
      		 - Ground
      D RHS06 (WH)
      G08039075
      		 - Ground

    Are the resistances greater than 10, 000 ohms? 

    1. Yes: GO to 2  .
    2. No: If the resistances of C3265A-A and/or C3265A-B to ground were not greater than 10, 000 ohms to ground, GO to  6  .

      If resistances of C3265A-C and/or C3265A-D to ground were not greater than 10, 000 ohms to ground, GO to  7  .

  2. CHECK THE TED CIRCUITS FOR A SHORT TO VOLTAGE
    1. Ignition ON.
    2. Measure:
      DCSM Ground
      G08039076
      G08039077
      C3265A Ground
      Pin Circuit Measurement / Action Pin Circuit
      A CHS07 (GY/BU)
      G08039078
      		 - Ground
      B RHS07 (BU)
      G08039079
      		 - Ground
      C CHS06 (BU/BN)
      G08039080
      		 - Ground
      D RHS06 (WH)
      G08039081
      		 - Ground

    Is any voltage present? 

    1. Yes: If voltage is present at C3265A-A and/or C3265A-B, GO to  8  .

      If voltage is present at C3265A-C and/or C3265A-D, GO to  9  .

    2. No: GO to 3  .
  3. CHECK THE TED RESISTANCE
    1. Ignition OFF.
    2. NOTE: Make sure the TEDs  are at room temperature and there is no air blowing across the TEDs  . Do not handle a TED when measuring resistance. These conditions can cause incorrect readings and lead to incorrect identification of components that are not damaged.

      Measure:

      DCSM DCSM
      G08039082
      G08039083
      C3265A C3265A
      Pin Circuit Measurement / Action Pin Circuit
      A CHS07 (GY/BU)
      G08039084
      		 B RHS07 (BU)
      C CHS06 (BU/BN)
      G08039085
      		 D RHS06 (WH)

    Are the resistances between 0.9 and 10 ohms? 

    1. Yes: GO to  10  .
    2. No: If the resistance between DCSM C3265A-A and C3265A-B was not between 0.9 and 10 ohms, GO to  5  .

      If the resistance between DCSM C3265A-C and C3265A-D was not between 0.9 and 10 ohms, GO to 4  .

  4. CHECK THE RESISTANCE OF THE BACKREST TED
    1. Disconnect: Passenger Backrest TED C3039.
    2. Measure:
      Passenger Seat Backrest TED Passenger Seat Backrest TED
      G08039086
      G08039087
      C3039 Component Side C3039 Component Side
      Pin Circuit Measurement / Action Pin Circuit
      1 -
      G08039088
      		 3 -

    Is the resistance between 0.9 and 10 ohms? 

    1. Yes: REPAIR circuit CHS01 (GY/VT) or RHS01 (WH/VT) for an open circuit or high resistance. GO to  11.
    2. No: INSTALL a new seat backrest TED. REFER to Seat Backrest Thermo-Electric Device (TED) . GO to  11.
  5. CHECK THE RESISTANCE OF THE CUSHION TED
    1. Disconnect: Passenger Cushion TED C3040.
    2. Measure:
      Passenger Seat Cushion TED Passenger Seat Cushion TED
      G08039089
      G08039090
      C3040 Component Side C3040 Component Side
      Pin Circuit Measurement / Action Pin Circuit
      1 -
      G08039091
      		 3 -

    Is the resistance between 0.9 and 10 ohms? 

    1. Yes: REPAIR circuit CHS01 (GY/VT) or RHS01 (WH/VT) for an open circuit or high resistance. GO to  11.
    2. No: INSTALL a new seat cushion TED. REFER to Seat Cushion Thermo-Electric Device (TED) . GO to  11.
  6. CHECK THE CUSHION TED CIRCUITS FOR A SHORT TO GROUND
    1. Disconnect: Passenger Cushion TED C3040.
    2. Measure:
      DCSM Ground
      G08039092
      G08039093
      C3265A Ground
      Pin Circuit Measurement / Action Pin Circuit
      A CHS07 (GY/BU)
      G08039094
      		 - Ground
      B RHS07 (BU)
      G08039095
      		 - Ground

    Are the resistances greater than 10, 000 ohms? 

    1. Yes: INSTALL a new seat cushion TED. REFER to Seat Cushion Thermo-Electric Device (TED) . GO to  11.
    2. No: REPAIR the affected circuit. GO to  11.
  7. CHECK THE BACKREST TED CIRCUITS FOR A SHORT TO GROUND
    1. Disconnect: Passenger Backrest TED C3039.
    2. Measure:
      DCSM Ground
      G08039096
      G08039097
      C3265A Ground
      Pin Circuit Measurement / Action Pin Circuit
      C CHS06 (BU/BN)
      G08039098
      		 - Ground
      D RHS06 (WH)
      G08039099
      		 - Ground

    Are the resistances greater than 10, 000 ohms? 

    1. Yes: INSTALL a new seat backrest TED. REFER to Seat Backrest Thermo-Electric Device (TED) . GO to  11.
    2. No: REPAIR the affected circuit. GO to  11.
  8. CHECK THE CUSHION TED CIRCUITS FOR A SHORT TO VOLTAGE
    1. Ignition OFF.
    2. Disconnect: Passenger Cushion TED C3040.
    3. Ignition ON.
    4. Measure:
      DCSM Ground
      G08039100
      G08039101
      C3265A Ground
      Pin Circuit Measurement / Action Pin Circuit
      A CHS07 (GY/BU)
      G08039102
      		 - Ground
      B RHS07 (BU)
      G08039103
      		 - Ground

    Is any voltage present? 

    1. Yes: REPAIR the affected circuit. GO to  11.
    2. No: INSTALL a new seat cushion TED. REFER to Seat Cushion Thermo-Electric Device (TED) . GO to  11.
  9. CHECK THE BACKREST TED CIRCUITS FOR A SHORT TO VOLTAGE
    1. Ignition OFF.
    2. Disconnect: Passenger Backrest TED C3039.
    3. Ignition ON.
    4. Measure:
      DCSM Ground
      G08039104
      G08039105
      C3265A Ground
      Pin Circuit Measurement / Action Pin Circuit
      C CHS06 (BU/BN)
      G08039106
      		 - Ground
      D RHS06 (WH)
      G08039107
      		 - Ground

    Is any voltage present? 

    1. Yes: REPAIR the affected circuit. GO to  11  .
    2. No: INSTALL a new seat backrest TED. REFER to Seat Backrest Thermo-Electric Device (TED) . GO to  11  .
  10. 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: Passenger Cushion TED C3040 (if previously disconnected).
    6. Connect: Passenger Backrest TED C3039 (if previously disconnected).
    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 11  .
    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 11  .
  11. 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: Passenger Seat Side Air Bag C339.
    3. Connect: DCSM C3265A (if previously disconnected).
    4. Connect: Passenger Cushion TED C3040 (if previously disconnected).
    5. Connect: Passenger Backrest TED C3039 (if previously disconnected).
    6. Ignition ON.
    7. Using a scan tool, clear the RCM DTCs  .
    8. Cycle the ignition OFF then ON.
    9. 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.
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