Power Door Locks/Keyless
WARNING: This page is about a different car, the 2009 Acura MDX, 2008 Acura MDX, and 2007 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
- If the door lock system works properly, but the vehicle does not start, refer to the immobilizer-keyless control unit symptom troubleshooting information (see
SYMPTOM TROUBLESHOOTING INFORMATION
).NOTE: All functions work with the key out of the ignition switch. Only the panic function will work with the key in the ignition switch and in the LOCK (0) position. There is no keyless function with the ignition turned ON (II).POWER DOOR LOCKS/KEYLESS SYMPTOM TROUBLESHOOTING CHART
No. Symptom Check Items 1 The: doors will not lock or unlock. (1) - MICU input test (see CONTROL UNIT INPUT TEST )
- Driver's door key cylinder switch test (see DOOR KEY CYLINDER SWITCH TEST )
- Door lock switch test (see DOOR LOCK SWITCH TEST )
- Door lock knob switch test (see DOOR LOCK KNOB SWITCH TEST )
2 The doors will not lock. (1) - MICU input test (see CONTROL UNIT INPUT TEST )
- Door lock knob switch test (see DOOR LOCK KNOB SWITCH TEST )
- Driver's door switch test (check the door switch ON/OFF information with the HDS)
3 The doors will not unlock. (1) - MICU input test (see CONTROL UNIT INPUT TEST )
- Driver's door lock knob switch test (see DOOR LOCK KNOB SWITCH TEST )
4 Keyless operation does not work (LOCK, UNLOCK, PANIC). Symptom troubleshooting (see KEYLESS OPERATION DOES NOT WORK (LOCK, UNLOCK, PANIC) ). 5 Doors will not unlock with the transmitter, but will unlock with the door switch. Symptom troubleshooting (see DOORS WILL NOT UNLOCK (OR LOCK) WITH THE TRANSMITTER, BUT WILL UNLOCK (LOCK) WITH THE DOOR SWITCH ). 6 Doors will not lock with the transmitter, but will lock with the door switch. Symptom troubleshooting (see DOORS WILL NOT UNLOCK (OR LOCK) WITH THE TRANSMITTER, BUT WILL UNLOCK (LOCK) WITH THE DOOR SWITCH ). 7 Doors automatically relock 30,60, or 90 seconds after being unlocked with the transmitter even though a door has been opened. - Driver's door switch test.
- Symptom troubleshooting (see DOORS AUTOMATICALLY RELOCK 30,60, OR 90 SECONDS AFTER BEING UNLOCKED WITH THE TRANSMITTER EVEN THOUGH A DOOR HAS BEEN OPENED ).
8 The horn does not sound and/or the headlights do not flash when PANIC button on the transmitter pressed. Symptom troubleshooting (see THE HORN DOES NOT SOUND AND/OR THE HEADLIGHTS DO NOT FLASH WHEN THE PANIC BUTTON ON THE TRANSMITTER IS PRESSED ). 9 Keyless lock or unlock operation will work even though the ignition key is in the ignition switch. Ignition key switch test (see TEST ). (1) If only one door is not working properly, check that door's lock actuator first, then check the other items listed in this table.