DTC U1A4B:54 [BLIND SPOT MONITORING (BSM) CONTROL MODULE]
id1502b5015100
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Description |
Radar aiming is not performed or radar sensor axis is deviated (Blind spot monitoring (BSM) control module (RH)) |
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Detection condition
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• Malfunction in radar aiming of the blind spot monitoring (BSM) control module (RH) detected for 1 s or more with the ignition switched ON (engine off or on).
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Fail-safe
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• Blind spot monitoring (BSM) system is stopped.
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Possible cause
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• Blind spot monitoring (BSM) radar aiming (RH) was not performed.
• Deviation of blind spot monitoring (BSM) control module (RH) radar sensor axis
• Blind spot monitoring (BSM) control module (RH) malfunction
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System wiring diagram
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Not applicable
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Diagnostic Procedure
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Step |
Inspection |
Action |
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1
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PERFORM BLIND SPOT MONITORING (BSM) CONTROL MODULE (RH) RADAR AIMING
• Perform the blind spot monitoring (BSM) control module (RH) radar aiming.
• Clear the DTC for the blind spot monitoring (BSM) control module using the M-MDS.
• Switch the ignition ON (engine off or on) and wait for 2.5 s or more.
• Retrieve the blind spot monitoring (BSM) control module DTCs using the M-MDS.
• Is the same DTC displayed?
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Yes
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Perform the blind spot monitoring (BSM) control module (RH) radar aiming again, then go to the next step.
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No
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Go to Step 3.
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2
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VERIFY THAT REPAIRS HAVE BEEN COMPLETED
• Clear the DTC for the blind spot monitoring (BSM) control module using the M-MDS.
• Switch the ignition ON (engine off or on) and wait for 2.5 s or more.
• Retrieve the blind spot monitoring (BSM) control module DTCs using the M-MDS.
• Is the same DTC displayed?
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Yes
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Replace the blind spot monitoring (BSM) control module, then go to the next step.
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No
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Go to the next step.
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3
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VERIFY IF OTHER DTCs DISPLAYED
• Are any other DTCs displayed?
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Yes
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Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
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No
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DTC troubleshooting completed.
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