DTC U3003:16 [POSITION MEMORY CONTROL SYSTEM]
id0902z8969600
DTC U3003:16 |
Battery voltage low |
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DETECTION CONDITION
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Voltage from battery power supply remains at 9 V or less for 5 s or more
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POSSIBLE CAUSE
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• Battery malfunction
• Open or short circuit in wiring harness between position memory control module and battery
• Open or short circuit in wiring harness between battery module and GND
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Diagnostic procedure
STEP |
INSPECTION |
ACTION |
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1
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INSPECT BATTERY
• Turn the ignition switch to LOCK position.
• Disconnect the negative battery cable.
• Check the battery voltage.
• Is there any malfunction?
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Yes
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Replace the battery.
Go to the next step.
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No
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Go to the next step.
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2
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INSPECT POSITON MEMORY CONTROL MODULE CONNECTOR CONDITION
• Disconnect the position memory 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 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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INSPECT POSITION MEMORY CONTROL MODULE CIRCUIT FOR OPEN CIRCUIT
• Disconnect the positive battery cable.
• Position memory control module connector is disconnected.
• Inspect for continuity between the following terminals (wiring harness-side):
• Is there continuity?
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Yes
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Go to the next step.
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No
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Repair or replace the wiring harness for possible open circuit, then go to the next step.
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4
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INSPECT NEGATIVE BATTERY CABLE
• Inspect the negative battery cable.
• Is there continuity?
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Yes
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Go to the next step.
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No
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Repair or replace the wiring harness for possible open circuit, then go to the next step.
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5
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VERIFY TROUBLESHOOTING COMPLETED
• Make sure to reconnect all disconnected connectors.
• Reconnect the positive battery cable.
• Reconnect the negative battery cable.
• Clear the DTC using the M-MDS. (See CLEARING DTC [POSITION MEMORY CONTROL SYSTEM].)
• Switch the ignition to ON.
• Perform the DTC inspection using the M-MDS.
• Is the same DTC present?
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Yes
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Replace the front seat slide adjuster. (See FRONT SEAT SLIDE ADJUSTER REMOVAL/INSTALLATION.)
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No
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DTC troubleshooting completed.
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