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:
|
Refer to the Electrical Wiring Diagrams for the location of the under-dash fuse/relay box connectors. |
|
Before troubleshooting, check the B-CAN DTCs. If any DTC is indicated, troubleshoot the indicated DTC first. |
1. |
Determine possible failure area (MICU, others):
Determine possible failure area (MICU, others)
?1. |
Move the interior light switch to the DOOR position. |
?2. |
Press the engine start/stop button to select the OFF mode. |
?3. |
Watch the individual map light and the door indicators on the gauge control module. | |
Do the individual map light and door indicators come on when the door is open, and go off when the door is closed?
2. |
Open wire check (FL DOOR SW, FR DOOR SW, TRUNK SW lines):
Open wire check (FL DOOR SW, FR DOOR SW, TRUNK SW lines)
?1. |
Disconnect the following connectors.
|
?2. |
Check for continuity between test points 1 and 2 respectively.
Driver's door switch
Test condition |
IG LOCK (0) or OFF mode Under-dash fuse/relay box connector D (44P): disconnected Under-dash fuse/relay box connector S (18P): disconnected Each door switch 1P connector: disconnected Trunk lid latch switch 3P connector: disconnected |
Test circuit |
FL DOOR SW |
Test point 1 |
Under-dash fuse/relay box connector D (44P) No. 22 (BRN) |
Test point 2 |
Driver's door switch 1P connector No. 1 (BRN) | |
|
Passenger's door switch
Test condition |
IG LOCK (0) or OFF mode Under-dash fuse/relay box connector D (44P): disconnected Under-dash fuse/relay box connector S (18P): disconnected Each door switch 1P connector: disconnected Trunk lid latch switch 3P connector: disconnected |
Test circuit |
FR DOOR SW |
Test point 1 |
Under-dash fuse/relay box connector S (18P) No. 13 (LT GRN) |
Test point 2 |
Passenger's door switch 1P connector No. 1 (LT GRN) | |
|
Trunk lid latch switch
Test condition |
IG LOCK (0) or OFF mode Under-dash fuse/relay box connector D (44P): disconnected Under-dash fuse/relay box connector S (18P): disconnected Each door switch 1P connector: disconnected Trunk lid latch switch 3P connector: disconnected |
Test circuit |
TRUNK SW |
Test point 1 |
Under-dash fuse/relay box connector D (44P) No. 37 (WHT) |
Test point 2 |
Trunk lid latch switch 3P connector No. 1 (WHT) | |
|
| |
Is there continuity?
|
|
|
The FL DOOR SW, FR DOOR SW wires are OK. Replace the bad door switch.? |
|
|
|
The TRUNK SW wire is OK. Faulty trunk lid latch switch or GND line, go to step 3. |
|
|
|
Repair an open or high resistance in the wire between the MICU and the door switch/trunk lid latch switch.? |
3. |
Open wire check (GND line):
Open wire check (GND line)
?1. |
Check for continuity between test points 1 and 2.
Test condition |
IG LOCK (0) or OFF mode Under-dash fuse/relay box connector D (44P): disconnected Under-dash fuse/relay box connector S (18P): disconnected Each door switch 1P connector: disconnected Trunk lid latch switch 3P connector: disconnected |
Test circuit |
GND |
Test point 1 |
Trunk lid latch switch 3P connector No. 2 (BLK) |
Test point 2 |
Body ground | |
|
| |
Is there continuity?
|
|
|
|
|
|
|
Repair an open or high resistance in the ground wire or poor ground (G603).? | |