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Home >> Land Rover >> 2020 >> Defender 110 S >> Repair and Diagnosis >> General Information >> Specifications Index >> Diagnostic Trouble Code Index DTC: Infotainment Compute Control Module (ICCM) -- Defender/L663 >> Diagnostic Trouble Code Index - DTC: Infotainment Compute Control Module (ICCM) (G2400897) >> Description And Operation >> Infotainment Compute Control Module >> DTC B14A4-13: APIX Display Link - Instrument Pack - Circuit open >> Action
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DTC B14A4-13: APIX Display Link - Instrument Pack - Circuit open: Action

  1. Check that the navigation display is showing on the instrument panel cluster control module, if the display is working go to step  14. If there is no display go to step 2
  2. Using the Jaguar Land Rover approved diagnostic equipment, perform routine - On Demand Self Test (0x0202) and read the Diagnostic Trouble Code(s). If the DTC is set go to step 3, if the DTC is no longer set go to step  14
  3. Refer to the electrical circuit diagrams and disconnect the front display cable from the front infotainment control module and the instrument panel cluster control module
  4. Measure the resistance between pin 1 of the front infotainment control module connector harness side and pin 4 of the instrument panel cluster control module connector harness side
  5. If the resistance is greater than 1Ω, replace the cable and go to step  2, if not go to step 6
  6. Measure the resistance between pin 2 of the front infotainment control module connector harness side and pin 3 of the instrument panel cluster control module connector harness side
  7. If the resistance is greater than 1Ω, replace the cable and go to step  2, if not go to step 8
  8. Measure the resistance between pin 3 of the front infotainment control module connector harness side and pin 2 of the instrument panel cluster control module connector harness side
  9. If the resistance is greater than 1Ω, replace the cable and go to step  2, if not go to step 10
  10. Measure the resistance between pin 4 of the front infotainment control module connector harness side and pin 1 of the instrument panel cluster control module connector harness side
  11. If the resistance is greater than 1Ω, replace the cable and go to step  2, if not go to step 12
  12. Reconnect the front display cable back to the front infotainment control module and the instrument panel cluster control module. Check the front infotainment control module software release notes to see if a repair is available and update the front infotainment control module and repeat step  2. If no software update is available go to step 13
  13. Check the instrument panel cluster control module for any internal failure Diagnostic Trouble Code(s) and follow the DTC index
  14. Check for other Diagnostic Trouble Code(s) relating to the customer concern and follow the DTC index
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