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Keyless/Power Door Locks/Security System Symptom Troubleshooting - Doors automatically relock 30 seconds after being unlocked with the remote even though a door has been opened
Doors automatically relock 30 seconds after being unlocked with the remote even though a door has been opened
NOTE: Before troubleshooting, check the B-CAN DTCs. If any DTC is indicated, troubleshoot the indicated DTC first.
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1. |
Determine possible failure area (body control module, others):
Determine possible failure area (body control module, others)
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?1. |
Without moonroof: Turn the ceiling light switch to the MIDDLE position. |
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?2. |
With moonroof: Turn the interior light switch to the DOOR position and ceiling light switch to the MIDDLE position. |
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?3. |
Turn the vehicle to the OFF (LOCK) mode. |
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?4. |
Watch the individual map lights, the ceiling light, and the door indicators on the gauge control module. | |
Do the individual map lights and door indicators come on when the door is open, and go off when the door is closed?
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2. |
Open wire check (FL DOOR SW, FR DOOR SW, RL DOOR SW, RR DOOR SW, TRUNK SW lines):
Open wire check (FL DOOR SW, FR DOOR SW, RL DOOR SW, RR DOOR SW, TRUNK SW lines)
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?1. |
Disconnect the following connectors.
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Body control module connector D (40P)
Each door switch 1P connector
Trunk lid latch 3P connector | |
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?2. |
Check for continuity between test points 1 and 2 respectively.
Driver's door switch
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Test condition |
Vehicle OFF (LOCK) mode
Body control module connector D (40P): disconnected
Each door switch 1P connector: disconnected
Trunk lid latch 3P connector: disconnected |
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Test point 1 |
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Test point 2 |
Driver's door switch 1P connector No. 1 | |
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Front passenger's door switch
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Test condition |
Vehicle OFF (LOCK) mode
Body control module connector D (40P): disconnected
Each door switch 1P connector: disconnected
Trunk lid latch 3P connector: disconnected |
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Test point 1 |
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Test point 2 |
Front passenger's door switch 1P connector No. 1 | |
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Left rear door switch
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Test condition |
Vehicle OFF (LOCK) mode
Body control module connector D (40P): disconnected
Each door switch 1P connector: disconnected
Trunk lid latch 3P connector: disconnected |
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Test point 1 |
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Test point 2 |
Left rear door switch 1P connector No. 1 | |
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Right rear door switch
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Test condition |
Vehicle OFF (LOCK) mode
Body control module connector D (40P): disconnected
Each door switch 1P connector: disconnected
Trunk lid latch 3P connector: disconnected |
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Test point 1 |
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Test point 2 |
Right rear door switch 1P connector No. 1 | |
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Trunk lid latch switch
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Test condition |
Vehicle OFF (LOCK) mode
Body control module connector D (40P): disconnected
Each door switch 1P connector: disconnected
Trunk lid latch 3P connector: disconnected |
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Test point 1 |
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Test point 2 |
Trunk lid latch 3P connector No. 1 | |
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Is there continuity?
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The FL DOOR SW, FR DOOR SW, RL DOOR SW, and RR DOOR SW wires are OK. Replace the bad door switch.? |
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The TRUNK SW wire is OK. Faulty trunk lid latch switch or GND line, go to step 3. |
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Repair an open or high resistance in the wire between the body control module and the door switch/trunk lid latch switch.? |
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3. |
Open wire check (GND line):
Open wire check (GND line)
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?1. |
Check for continuity between test points 1 and 2.
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Test condition |
Vehicle OFF (LOCK) mode
Body control module connector D (40P): disconnected
Each door switch 1P connector: disconnected
Trunk lid latch 3P connector: disconnected |
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Test point 1 |
Trunk lid latch 3P connector No. 2 |
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Test point 2 |
Body ground | |
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Is there continuity?
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Repair an open or high resistance in the ground wire or poor ground (G701).? | |