DTC B10E7:12 [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM]
id09021c399700
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DESCRIPTION |
Short to power supply in IG1 relay circuit |
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DETECTION CONDITION
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• IG1 relay output monitor is on for 0.5 s when the ignition switch is off.
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POSSIBLE CAUSE
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• Relay block connector or terminals malfunction
• Keyless control module connector or terminals malfunction
• Short to power supply in wiring harness between the following terminals:
• Relay block malfunction
• Keyless control module malfunction
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Diagnostic Procedure
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Step |
Inspection |
Action |
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1
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INSPECT RELAY BLOCK CONNECTOR AND TERMINALS
• Switch the ignition to off.
• Disconnect the negative battery cable.
• Disconnect the relay block connector.
• Inspect the connector and terminals (corrosion, damage, pin disconnection).
• Is there any malfunction?
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Yes
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Repair or replace the connector or terminals, then go to Step 5.
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No
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Go to the next step.
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2
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INSPECT KEYLESS CONTROL MODULE CONNECTOR AND TERMINALS
• Disconnect the keyless control module connector.
• Inspect the connector and terminals (corrosion, damage, pin disconnection).
• Is there any malfunction?
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Yes
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Repair or replace the connector or terminals, then go to Step 5.
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No
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Go to the next step.
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3
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INSPECT IG1 RELAY OUTPUT CIRCUIT FOR SHORT TO POWER SUPPLY
• Relay block and keyless control module connectors are disconnected.
• Reconnect the negative battery cable.
• Measure the voltage at the following terminal (wiring harness-side):
• Is there any voltage?
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Yes
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Repair or replace the wiring harness for a possible short to power supply, then go to Step 5.
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No
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Go to the next step.
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4
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INSPECT RELAY BLOCK
• Inspect the relay block.
• Is there any malfunction?
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Yes
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Replace the relay block, then go to the next step.
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No
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Go to the next step.
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5
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VERIFY TROUBLESHOOTING COMPLETED
• Make sure to reconnect the disconnected connectors.
• Reconnect the negative battery cable.
• Switch the ignition to off using the advanced key.
• Clear the DTC from the keyless control module using the M-MDS.
• Switch the ignition to off using the advanced key.
• Perform the advanced keyless entry and push button start system DTC inspection using the M-MDS.
• Is the same DTC present?
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Yes
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Replace the keyless 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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6
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VERIFY THAT NO OTHER DTCs ARE PRESENT
• Are any DTCs present?
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Yes
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Go to the applicable DTC inspection.
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No
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DTC troubleshooting completed.
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