Part Two

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.

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

-1. Turn the ignition switch to LOCK (0).

-2. Disconnect the following connector.






-3. Check the parameter(s) below with the HDS.






Is information indicator OFF?
-YES- Faulty front passenger's door lock knob switch; replace the front passenger's door latch Service and Repair.
-NO- Go to step 22.

22. 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- The AS SILCON UNLOCK wire is OK. Faulty MICU; replace the under-dash fuse/relay box Under-Dash Fuse/Relay Box Removal and Installation.

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

-1. Turn the ignition switch to LOCK (0).

-2. Disconnect the following connector.






-3. Connect terminals A and B with a jumper wire.










-4. Check the parameter(s) below with the HDS.






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

24. Open wire check (GND line):

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










Is there continuity?
-YES- The GND wire is OK. Faulty front passenger's door lock knob switch; replace the front passenger's door latch Service and Repair.
-NO- Repair an open or high resistance in the ground wire or poor ground (G503).

25. Open wire check (AS SILCON UNLOCK line):

-1. Connect terminals A and B with a jumper wire.










-2. Check the parameter(s) below with the HDS.






Is information indicator ON?
-YES- Repair an open or high resistance in the wire.
-NO- The AS SILCON UNLOCK wire is OK. Faulty MICU; replace the under-dash fuse/relay box Under-Dash Fuse/Relay Box Removal and Installation.

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

-1. With the left rear door lock knob switch in LOCK position, check the parameter(s) below with the HDS.






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

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

-1. Turn the ignition switch to LOCK (0).

-2. Disconnect the following connector.





-3. Check the parameter(s) below with the HDS.






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 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- The RR DR SILCON UNLOCK wire is OK. Faulty MICU; replace the under-dash fuse/relay box Under-Dash Fuse/Relay Box Removal and Installation.

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

-1. Turn the ignition switch to LOCK (0).

-2. Disconnect the following connector.






-3. Connect terminals A and B with a jumper wire.










-4. Check the parameter(s) below with the HDS.






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

30. Open wire check (GND line):

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










Is there continuity?
-YES- The GND wire is OK. 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 (G601).

31. Open wire check (RR DR SILCON UNLOCK line):

-1. Connect terminals A and B with a jumper wire.










-2. Check the parameter(s) below with the HDS.






Is information indicator ON?
-YES- Repair an open or high resistance in the wire.
-NO- The RR DR SILCON UNLOCK wire is OK. Faulty MICU; replace the under-dash fuse/relay box Under-Dash Fuse/Relay Box Removal and Installation.

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

-1. With the right rear door lock knob switch in LOCK position, check the parameter(s) below with the HDS.






Is information indicator ON?
-YES- Go to step 33.
-NO- Go to step 35.

33. Determine possible failure area (right rear door latch, others):

-1. Turn the ignition switch to LOCK (0).

-2. Disconnect the following connector.






-3. Check the parameter(s) below with the HDS.






Is information indicator OFF?
-YES- Faulty right rear door lock knob switch; replace the right rear door latch Service and Repair.
-NO- Go to step 34.

34. Shorted wire check (RR 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- The RR AS SILCON UNLOCK wire is OK. Faulty MICU; replace the under-dash fuse/relay box Under-Dash Fuse/Relay Box Removal and Installation.

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

-1. Turn the ignition switch to LOCK (0).

-2. Disconnect the following connector.






-3. Connect terminals A and B with a jumper wire.










-4. Check the parameter(s) below with the HDS.






Is information indicator ON?
-YES- Go to step 36.
-NO- Go to step 37.

36. Open wire check (GND line):

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










Is there continuity?
-YES- The GND wire is OK. Faulty right rear door lock knob switch; replace the right rear door latch Service and Repair.
-NO- Repair an open or high resistance in the ground wire or poor ground (G604).

37. Open wire check (RR AS SILCON UNLOCK line):

-1. Connect terminals A and B with a jumper wire.










-2. Check the parameter(s) below with the HDS.






Is information indicator ON?
-YES- Repair an open or high resistance in the wire.
-NO- The RR AS SILCON UNLOCK wire is OK. Faulty MICU; replace the under-dash fuse/relay box Under-Dash Fuse/Relay Box Removal and Installation.

38. Keyless/power door locks/security system check:

-1. With the driver's door closed, check the parameter(s) below with the HDS.






Is information indicator ON?
-YES- Go to step 39.
-NO- Go to step 41.

39. Driver's door switch operation check:

-1. Turn the ignition switch to LOCK (0).

-2. Remove the driver's door switch.

-3. Disconnect the following connector.






-4. Check for continuity between test points 1 and 2.










Is there no continuity when you push the switch and is there continuity when you release the switch?
-YES- Go to step 40.
-NO- Replace the driver's door switch.

40. Shorted wire check (DR DOOR 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- The DR DOOR SW wire is OK. Faulty MICU; replace the under-dash fuse/relay box Under-Dash Fuse/Relay Box Removal and Installation.