DTC U0405:00 [INSTRUMENT CLUSTER]
id0902e8997600
Description |
Error signal received from radar unit |
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Detection condition
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• Instrument cluster receives error signals from the radar unit with the ignition switched ON (engine off or on).
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Fail-safe function
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Not applicable
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Possible cause
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• DTCs are stored in the radar unit.
• Radar unit malfunction
• Instrument cluster malfunction
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System wiring diagram
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Not applicable
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Diagnostic Procedure
Step |
Inspection |
Action |
|
---|---|---|---|
1
|
VERIFY RADAR UNIT DTCs
• Retrieve the radar unit DTCs using the M-MDS.
(See DTC INSPECTION [RADAR UNIT].)
• Are any DTCs displayed?
|
Yes
|
Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [RADAR UNIT].)
|
No
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Go to the next step.
|
||
2
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VERIFY IF MALFUNCTIONING LOCATION IS RADAR UNIT DEPENDING ON REPEATABILITY
• Clear the DTC for the instrument cluster using the M-MDS.
• Switch the ignition ON (engine off or on) and wait for 20 s or more.
• Retrieve the instrument cluster DTCs using the M-MDS.
• Is the same DTC displayed?
|
Yes
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Replace the radar unit, then go to the next step.
|
No
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Go to Step 4.
|
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3
|
VERIFY THAT REPAIRS HAVE BEEN COMPLETED
• Clear the DTC for the instrument cluster using the M-MDS.
• Switch the ignition ON (engine off or on) and wait for 20 s or more.
• Retrieve the instrument cluster DTCs using the M-MDS.
• Is the same DTC displayed?
|
Yes
|
Repeat the inspection from Step 1.
• If the malfunction recurs, replace the instrument cluster.
Go to the next step.
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No
|
Go to the next step.
|
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4
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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.
|
No
|
DTC troubleshooting completed.
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