DTC B1D13:12 [BCM]
id0902f5389600
Malfunction Location
Detection Condition
Possible Causes
System Wiring Diagram
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Diagnostic Procedure
Step |
Inspection |
Action |
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---|---|---|---|
1
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PERFORM DTC INSPECTION
• Clear the DTCs using the M-MDS.
(See CLEARING DTC [BCM].)
• Turn the interior light switch on.
• Perform the BCM DTC inspection using the M-MDS.
(See DTC INSPECTION [BCM].)
• Is the DTC B1D13:12 displayed?
|
Yes
|
Go to the next step.
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No
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DTC troubleshooting completed.
|
||
2
|
VERIFY INTERIOR LIGHT CONNECTOR CONDITION
• Turn the ignition switch to the LOCK position.
• Disconnect the negative battery cable.
• Disconnect the interior light connector.
• Inspect the connection condition and wiring harness.
• Are the connector terminals normal without damage, deformation, corrosion, or disconnection?
|
Yes
|
Go to the next step.
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No
|
Repair or replace the connector, then go to the final step.
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3
|
VERIFY BCM CONNECTOR CONDITION
• Disconnect the BCM connector.
• Inspect the connection condition and wiring harness.
• Are the connector terminals normal without damage, deformation, corrosion, or disconnection?
|
Yes
|
Go to the next step.
|
No
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Repair or replace the related wiring harness, then go to the final step.
|
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4
|
VERIFY WIRING HARNESS BETWEEN INTERIOR LIGHT AND BCM FOR SHORT TO POWER SUPPLY
• Interior light and BCM connectors are disconnected.
• Reconnect the negative battery cable.
• Measure the voltage at the BCM terminal 3I (wiring harness-side).
• Is there any voltage?
|
Yes
|
Repair or replace the related wiring harness, then go to the final step.
|
No
|
Go to the next step.
|
||
5
|
VERIFY INTERIOR LIGHT CONDITION
• Inspect the interior light.
(See INTERIOR LIGHT INSPECTION.)
• Is the interior light normal?
|
Yes
|
Go to the next step.
|
No
|
Replace the interior light, then go to the final step.
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6
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VERIFY TROUBLESHOOTING COMPLETED
• Reconnect all disconnected connectors.
• Reconnect the negative battery cable.
• Clear the DTCs using the M-MDS.
(See CLEARING DTC [BCM].)
• Turn the interior light switch on.
• Perform the BCM DTC inspection using the M-MDS.
(See DTC INSPECTION [BCM].)
• Is the DTC B1D13:12 displayed?
|
Yes
|
Replace the BCM.
|
No
|
DTC troubleshooting completed.
|