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Part One






Keyless/Power Door Locks/Security System Symptom Troubleshooting - Security alarm system will not arm

Security alarm system will not arm

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. Switch information check:

Switch information check
-1. Turn the ignition switch to ON (II).

-2. Select SECURITY from the BODY ELECTRICAL menu, and enter the DATA LIST with the HDS.

-3. Check the ON/OFF information in the DATA LIST when each switch is operating.
* TRUNK LID/TAILGATE SWITCH
* SECURITY HOOD SWITCH
* DRIVER'S DOOR LOCK KNOB SWITCH (UNLOCK)
* FRONT PASSENGER'S DOOR LOCK KNOB SW (UNLOCK)
* DRIVER'S REAR DOOR LOCK KNOB SW (UNLOCK)
* PASSENGER'S REAR DOOR LOCK KNOB SW (UNLOCK)
* DRIVER'S DOOR SWITCH
* FRONT PASSENGER'S DOOR SWITCH
* LEFT REAR DOOR SWITCH
* RIGHT REAR DOOR SWITCH
* DRIVER'S DOOR KEY CYLINDER SWITCH (LOCK)
* DRIVER'S DOOR KEY CYLINDER SWITCH (UNLOCK)

Is each switch information OK?
-YES- Intermittent failure, the system is OK at this time.
-NG- Trunk lid latch switch circuit troubleshooting: go to step 2.
-NG- Security hood switch circuit troubleshooting: go to step 8.
-NG- Driver's door lock knob switch circuit troubleshooting: go to step 14.
-NG- Front passenger's door lock knob switch circuit troubleshooting: go to step 20.
-NG- Left rear door lock knob switch circuit troubleshooting: go to step 26.
-NG- Right rear door lock knob switch circuit troubleshooting: go to step 32.
-NG- Driver's door switch circuit troubleshooting: go to step 38.
-NG- Front passenger's door switch circuit troubleshooting: go to step 43.
-NG- Left rear door switch circuit troubleshooting: go to step 48.
-NG- Right rear door switch circuit troubleshooting: go to step 53.
-NG- Driver's door key cylinder switch circuit troubleshooting: go to step 58.

2. Keyless/power door locks/security system check 1:

Keyless/power door locks/security system check 1
-1. With the trunk closed, select SECURITY with the HDS, and enter the DATA LIST.

-2. Check the ON/OFF information of the TRUNK LID/TAILGATE SWITCH in the DATA LIST.

Is information indicator ON?
-YES- Go to step 3.
-NO- Go to step 5.

3. Determine possible failure area (trunk lid latch switch, others):

Determine possible failure area (trunk lid latch switch, others)
-1. Disconnect the following connector.





-2. Check the ON/OFF information of the TRUNK LID/TAILGATE SWITCH in the DATA LIST.

Is information indicator OFF?
-YES- Faulty trunk lid latch switch, replace the trunk lid latch Service and Repair.
-NO- Go to step 4.

4. Shorted wire check (TRUNK_SW line):

Shorted wire check (TRUNK_SW line)
-1. Disconnect the following connector.





-2. Check for continuity between test points 1 and 2.









Is there continuity?
-YES- Repair a short to ground in the wire.
-NO- Faulty MICU, replace the under-dash fuse/relay box Service and Repair.

5. Keyless/power door locks/security system check 2:

Keyless/power door locks/security system check 2
-1. Disconnect the following connector.





-2. Connect terminals A and B with a jumper wire.









-3. Check the ON/OFF information of the TRUNK LID/TAILGATE SWITCH in the DATA LIST.

Is information indicator ON?
-YES- Go to step 6.
-NO- Go to step 7.

6. Open wire check (GND line):

Open wire check (GND line)
-1. Check for continuity between test points 1 and 2.









Is there continuity?
-YES- Faulty trunk lid latch switch, replace the trunk lid latch Service and Repair.
-NO- Repair an open or high resistance in the ground wire or poor ground (G701).

7. Open wire check (TRUNK_SW line):

Open wire check (TRUNK_SW line)
-1. Connect terminals A and B with a jumper wire.









-2. Check the ON/OFF information of the TRUNK LID/TAILGATE SWITCH in the DATA LIST.

Is information indicator ON?
-YES- Repair an open or high resistance in the wire.
-NO- Faulty MICU, replace the under-dash fuse/relay box Service and Repair.

8. Keyless/power door locks/security system check 1:

Keyless/power door locks/security system check 1
-1. With the hood closed, select SECURITY with the HDS, and enter the DATA LIST.

-2. Check the ON/OFF information of the SECURITY HOOD SWITCH in the DATA LIST.

Is information indicator ON?
-YES- Go to step 9.
-NO- Go to step 11.

9. Determine possible failure area (hood latch, others):

Determine possible failure area (hood latch, others)
-1. Disconnect the following connector.





-2. Check the ON/OFF information of the SECURITY HOOD SWITCH in the DATA LIST.

Is information indicator OFF?
-YES- Faulty security hood switch, replace the hood latch Service and Repair.
-NO- Go to step 10.

10. Shorted wire check (HOOD_SW line):

Shorted wire check (HOOD_SW line)
-1. Disconnect the following connector.





-2. Check for continuity between test points 1 and 2.









Is there continuity?
-YES- Repair a short to ground in the wire.
-NO- Faulty MICU, replace the under-dash fuse/relay box Service and Repair.

11. Keyless/power door locks/security system check 2:

Keyless/power door locks/security system check 2
-1. Disconnect the following connector.





-2. Connect terminals A and B with a jumper wire.









-3. Check the ON/OFF information of the SECURITY HOOD SWITCH in the DATA LIST.

Is information indicator ON?
-YES- Go to step 12.
-NO- Go to step 13.

12. Open wire check (GND line):

Open wire check (GND line)
-1. Check for continuity between test points 1 and 2.









Is there continuity?
-YES- Faulty security hood switch, replace the hood latch Service and Repair.
-NO- Repair an open or high resistance in the ground wire or poor ground (G401).

13. Open wire check (HOOD_SW line):

Open wire check (HOOD_SW line)
-1. Connect terminals A and B with a jumper wire.









-2. Check the ON/OFF information of the SECURITY HOOD SWITCH in the DATA LIST.

Is information indicator ON?
-YES- Repair an open or high resistance in the wire.
-NO- Faulty MICU, replace the under-dash fuse/relay box Service and Repair.

14. Keyless/power door locks/security system check 1:

Keyless/power door locks/security system check 1
-1. With the driver's door lock knob switch in LOCK position, select SECURITY with the HDS, and enter the DATA LIST.

-2. Check the ON/OFF information of the DRIVER'S DOOR LOCK KNOB SWITCH (UNLOCK) in the DATA LIST.

Is information indicator ON?
-YES- Go to step 15.
-NO- Go to step 17.

15. Determine possible failure area (driver's door latch, others):

Determine possible failure area (driver's door latch, others)
-1. Disconnect the following connector.





-2. Check the ON/OFF information of the DRIVER'S DOOR LOCK KNOB SWITCH (UNLOCK) in the DATA LIST.

Is information indicator OFF?
-YES- Faulty driver's door lock knob switch, replace the driver's door latch Front Door Latch Removal and Installation (4-door).
-NO- Go to step 16.

16. Shorted wire check (DR_SILCON_UNLOCK line):

Shorted wire check (DR_SILCON_UNLOCK line)
-1. Disconnect the following connector.





-2. Check for continuity between test points 1 and 2.









Is there continuity?
-YES- Repair a short to ground in the wire.
-NO- Faulty MICU, replace the under-dash fuse/relay box Service and Repair.

17. Keyless/power door locks/security system check 2:

Keyless/power door locks/security system check 2
-1. Disconnect the following connector.





-2. Connect terminals A and B with a jumper wire.









-3. Check the ON/OFF information of the DRIVER'S DOOR LOCK KNOB SWITCH (UNLOCK) in the DATA LIST.

Is information indicator ON?
-YES- Go to step 18.
-NO- Go to step 19.

18. Open wire check (GND line):

Open wire check (GND line)
-1. Check for continuity between test points 1 and 2.









Is there continuity?
-YES- Faulty driver's door lock knob switch, replace the driver's door latch Front Door Latch Removal and Installation (4-door).
-NO- Repair an open or high resistance in the ground wire or poor ground (G502).

19. Open wire check (DR_SILCON_UNLOCK line):

Open wire check (DR_SILCON_UNLOCK line)
-1. Connect terminals A and B with a jumper wire.









-2. Check the ON/OFF information of the DRIVER'S DOOR LOCK KNOB SWITCH (UNLOCK) in the DATA LIST.

Is information indicator ON?
-YES- Repair an open or high resistance in the wire.
-NO- Faulty MICU, replace the under-dash fuse/relay box Service and Repair.

20. Keyless/power door locks/security system check 1:

Keyless/power door locks/security system check 1
-1. With the front passenger's door lock knob switch in LOCK position, select SECURITY with the HDS, and enter the DATA LIST.

-2. Check the ON/OFF information of the FRONT PASSENGER'S DOOR LOCK KNOB SWITCH (UNLOCK) in the DATA LIST.

Is information indicator ON?
-YES- Go to step 21.
-NO- Go to step 23.

21. Determine possible failure area (front passenger's door latch, others):

Determine possible failure area (front passenger's door latch, others)
-1. Disconnect the following connector.





-2. Check the ON/OFF information of the FRONT PASSENGER'S DOOR LOCK KNOB SWITCH (UNLOCK) in the DATA LIST.

Is information indicator OFF?
-YES- Faulty front passenger's door lock knob switch, replace the front passenger's door latch Front Door Latch Removal and Installation (4-door).
-NO- Go to step 22.

22. Shorted wire check (AS_SILCON_UNLOCK line):

Shorted wire check (AS_SILCON_UNLOCK line)
-1. Disconnect the following connector.





-2. Check for continuity between test points 1 and 2.









Is there continuity?
-YES- Repair a short to ground in the wire.
-NO- Faulty MICU, replace the under-dash fuse/relay box Service and Repair.

23. Keyless/power door locks/security system check 2:

Keyless/power door locks/security system check 2
-1. Disconnect the following connector.





-2. Connect terminals A and B with a jumper wire.









-3. Check the ON/OFF information of the FRONT PASSENGER'S DOOR LOCK KNOB SWITCH (UNLOCK) in the DATA LIST.

Is information indicator ON?
-YES- Go to step 24.
-NO- Go to step 25.

24. Open wire check (GND line):

Open wire check (GND line)
-1. Check for continuity between test points 1 and 2.









Is there continuity?
-YES- Faulty front passenger's door lock knob switch, replace the front passenger's door latch Front Door Latch Removal and Installation (4-door).
-NO- Repair an open or high resistance in the ground wire or poor ground (G504).

25. Open wire check (AS_SILCON_UNLOCK line):

Open wire check (AS_SILCON_UNLOCK line)
-1. Connect terminals A and B with a jumper wire.









-2. Check the ON/OFF information of the FRONT PASSENGER'S DOOR LOCK KNOB SWITCH (UNLOCK) in the DATA LIST.

Is information indicator ON?
-YES- Repair an open or high resistance in the wire.
-NO- Faulty MICU, replace the under-dash fuse/relay box Service and Repair.

26. Keyless/power door locks/security system check 1:

Keyless/power door locks/security system check 1
-1. With the left rear door lock knob switch in LOCK position, select SECURITY with the HDS, and enter the DATA LIST.

-2. Check the ON/OFF information of the DRIVER'S REAR DOOR LOCK KNOB SWITCH (UNLOCK) in the DATA LIST.

Is information indicator ON?
-YES- Go to step 27.
-NO- Go to step 29.

27. Determine possible failure area (left rear door latch, others):

Determine possible failure area (left rear door latch, others)
-1. Disconnect the following connector.





-2. Check the ON/OFF information of the DRIVER'S REAR DOOR LOCK KNOB SWITCH (UNLOCK) in the DATA LIST.

Is information indicator OFF?
-YES- Faulty left rear door lock knob switch, replace the left rear door latch Service and Repair.
-NO- Go to step 28.

28. Shorted wire check (RR_L_SILCON_UNLOCK line):

Shorted wire check (RR_L_SILCON_ UNLOCK line)
-1. Disconnect the following connector.





-2. Check for continuity between test points 1 and 2.









Is there continuity?
-YES- Repair a short to ground in the wire.
-NO- Faulty MICU, replace the under-dash fuse/relay box Service and Repair.

29. Keyless/power door locks/security system check 2:

Keyless/power door locks/security system check 2
-1. Disconnect the following connector.





-2. Connect terminals A and B with a jumper wire.









-3. Check the ON/OFF information of the DRIVER'S REAR DOOR LOCK KNOB SWITCH (UNLOCK) in the DATA LIST.

Is information indicator ON?
-YES- Go to step 30.
-NO- Go to step 31.

30. Open wire check (GND line):

Open wire check (GND line)
-1. Check for continuity between test points 1 and 2.









Is there continuity?
-YES- Faulty left rear door lock knob switch, replace the left rear door latch Service and Repair.
-NO- Repair an open or high resistance in the ground wire or poor ground (G602).

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