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HOMESERVICE MANUALSMAZDA20133 I SV, 2.0L ENG VIN G, AUTOMATIC TRANSREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCOLLISION/AVOIDANCEON-BOARD DIAGNOSTIC [BLIND SPOT MONITORING SYSTEM]DTC U3000:4A [BLIND SPOT MONITORING (BSM CONTROL MODULE ASSEMBLY ABNORMALITY)]NOTES
2013 Mazda 3 i SV, 2.0L Eng VIN G, Automatic Trans

DTC U3000:4A [BLIND SPOT MONITORING (BSM control module assembly abnormality)]: Notes

2013 Mazda 3 i SV, 2.0L Eng VIN G, Automatic TransSECTION Notes
DESCRIPTION BSM control module assembly abnormality
DETECTION CONDITION 
  • A logic is provided to monitor for incorrect installation in order to prevent the left and right BSM control modules from being installed in reverse of each other. Terminal E of the BSM control module (LH) monitors the body ground condition, and terminal E of the BSM control module (RH) monitors the BSM OFF switch condition. The circuit is open during non-operation of the BSM OFF switch. It can be determined that the left and right BSM control modules have been installed in reverse if the following conditions occur:
    • A short to ground condition of BSM control module (RH) terminal E continues for 180 s or more  .
    • An open circuit condition of BSM control module (LH) terminal E continues for 0.9 s or more  .
POSSIBLE CAUSE 
  • BSM control module (LH) and BSM control module (RH) have been installed such that their left and right positions are reversed.
  • BSM OFF switch connector or terminal malfunction
  • BSM OFF switch malfunction
  • BSM control module (RH) connector or terminal malfunction
  • Short to ground in wiring harness between BSM control module (RH) terminal E and BSM OFF switch terminal C
  • BSM control module (LH) connector or terminal malfunction
  • Open circuit in wiring harness between BSM control module (LH) terminal E and body ground
  • BSM control module (LH) malfunction
  • BSM control module (RH) malfunction
G08137637
RENDER: 1.0x

NO RELATED

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