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Home >> Jaguar >> 2010 >> XFR >> Repair and Diagnosis >> Suspension >> Wheels & Tire System >> Wheels & Tires -- XF/X250 >> Wheels And Tires >> Diagnosis And Testing >> Tire Pressure Monitoring System >> Pinpoint Tests >> Pinpoint Test C: Right Front Low Frequency Initiator Circuit

Pinpoint Test C: Right Front Low Frequency Initiator Circuit

  1. C1: CHECK THE INITIATOR CIRCUIT FOR SHORT CIRCUIT TO GROUND 
    1. Ignition off.
    2. Disconnect the right hand front low-frequency initiator electrical connector, C1MC41.
    3. Measure the resistance between:
      C1MC41, HARNESS SIDE BATTERY
      Pin 2 Negative terminal
      G11420582

      Is the resistance less than 10, 000 ohms?

      Yes 

      • GO to   C5 . 

      No 

      • GO to   C2 . 
  2. C2: CHECK THE INITIATOR CIRCUIT FOR SHORT CIRCUIT TO POWER 
    1. Measure the resistance between:
      C1MC41, HARNESS SIDE BATTERY
      Pin 2 Positive terminal

      Is the resistance less than 10, 000 ohms?

      Yes 

      • GO to   C6 . 

      No 

      • GO to C3. 
  3. C3: CHECK THE INITIATOR CIRCUIT FOR SHORT CIRCUIT TO GROUND
    1. Measure the resistance between:
      C1MC41, HARNESS SIDE BATTERY
      Pin 1 Negative terminal

      Is the resistance less than 10, 000 ohms?

      Yes 

      • GO to   C7 . 

      No 

      • GO to  C4.
  4. C4: CHECK THE INITIATOR CIRCUIT FOR SHORT CIRCUIT TO POWER 
    1. Measure the resistance between:
      C1MC41, HARNESS SIDE BATTERY
      Pin 1 Positive terminal

      Is the resistance less than 10, 000 ohms?

      Yes 

      • GO to   C8 . 

      No 

      • GO to   C9 . 
  5. C5: CHECK WHETHER THE SHORT CIRCUIT IS IN THE HARNESS OR THE MODULE 
    1. Disconnect the Tire Pressure Monitoring System module connector, C3MC39A.
    2. Measure the resistance between:
      G11420583
      C1MC41, HARNESS SIDE BATTERY
      Pin 2 Negative terminal

      Is the resistance less than 10, 000 ohms?

      Yes 

      • REPAIR the short circuit. This circuit contains intermediate connector, C13-B. For additional information, refer to the applicable SYSTEM WIRING DIAGRAM. Clear the DTC and run an On Demand Self Test (ODST) using the manufacturer approved diagnostic system to confirm rectification.

      No 

      • INSTALL a new Tire Pressure Monitoring System module. Refer to INSTALLATION  .
  6. C6: CHECK WHETHER THE SHORT CIRCUIT IS IN THE HARNESS OR THE MODULE 
    1. Disconnect the Tire Pressure Monitoring System module connector, C3MC39A.
    2. Measure the resistance between:
      G11420584
      C1MC41, HARNESS SIDE BATTERY
      Pin 2 Positive terminal

      Is the resistance less than 10, 000 ohms?

      Yes 

      • REPAIR the short circuit. This circuit contains intermediate connector, C13-B. For additional information, refer to the applicable SYSTEM WIRING DIAGRAM. Clear the DTC and run an On Demand Self Test (ODST) using the manufacturer approved diagnostic system to confirm rectification.

      No 

      • INSTALL a new Tire Pressure Monitoring System module. Refer to INSTALLATION  .
  7. C7: CHECK WHETHER THE SHORT CIRCUIT IS IN THE HARNESS OR THE MODULE 
    1. Disconnect the Tire Pressure Monitoring System module connector, C3MC39A.
    2. Measure the resistance between:
      C1MC41, HARNESS SIDE BATTERY
      Pin 1 Negative terminal
      G11420585

      Is the resistance less than 10, 000 ohms?

      Yes 

      • REPAIR the short circuit. This circuit contains intermediate connector, C13-B. For additional information, refer to the applicable SYSTEM WIRING DIAGRAM. Clear the DTC and run an On Demand Self Test (ODST) using the manufacturer approved diagnostic system to confirm rectification.

      No 

      • INSTALL a new Tire Pressure Monitoring System module. Refer to INSTALLATION  .
  8. C8: CHECK WHETHER THE SHORT CIRCUIT IS IN THE HARNESS OR THE MODULE 
    1. Disconnect the Tire Pressure Monitoring System module connector, C3MC39A.
    2. Measure the resistance between:
      C1MC41, HARNESS SIDE BATTERY
      Pin 1 Positive terminal
      G11420586

      Is the resistance less than 10, 000 ohms?

      Yes 

      • REPAIR the short circuit. This circuit contains intermediate connector, C13-B. For additional information, refer to the applicable SYSTEM WIRING DIAGRAM. Clear the DTC and run an On Demand Self Test (ODST) using the manufacturer approved diagnostic system to confirm rectification.

      No 

      • INSTALL a new Tire Pressure Monitoring System module. Refer to INSTALLATION  .
  9. C9: CHECK THE INITIATOR CIRCUIT FOR HIGH RESISTANCE 
    1. Measure the resistance between:
      C3MC39A, HARNESS SIDE C1MC41, HARNESS SIDE
      Pin 16 Pin 2

      Is the resistance greater than 5 ohms?

      Yes 

      • REPAIR the high resistance circuit. This circuit contains intermediate connector, C13-B. For additional information, refer to the applicable SYSTEM WIRING DIAGRAM. Clear the DTC and run an On Demand Self Test (ODST) using the manufacturer approved diagnostic system to confirm rectification.

      No 

      • GO to   C10 . 
  10. C10: CHECK THE INITIATOR CIRCUIT FOR HIGH RESISTANCE 
    1. Measure the resistance between:
      C3MC39A, HARNESS SIDE C1MC41, HARNESS SIDE
      Pin 15 Pin 1

      Is the resistance greater than 5 ohms?

      Yes 

      • REPAIR the high resistance circuit. This circuit contains intermediate connector, C13-B. For additional information, refer to the applicable SYSTEM WIRING DIAGRAM. Clear the DTC and run an On Demand Self Test (ODST) using the manufacturer approved diagnostic system to confirm rectification.

      No 

      • INSTALL a new right hand front low-frequency initiator. Refer to INSTALLATION .
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