Honda HR-V Owners & Service Manuals

Honda HR-V: Keyless/Power Door Locks/Security System Symptom Troubleshooting - Security Alarm System Will Not Arm

Honda HR-V (2015-2021) Service Manual / Accessories & Equipment / Security System Keyless Entry System - Testing & Troubleshooting / Symptom Troubleshooting / Keyless/Power Door Locks/Security System Symptom Troubleshooting - Security Alarm System Will Not Arm

NOTE: Before troubleshooting, check the B-CAN DTCs. If any DTC is indicated, troubleshoot the indicated DTC first.

1. Switch information check:

  1. Turn the vehicle to the ON mode.
  2. Check the parameter(s) below with the HDS.

Security System Keyless Entry System - Testing & Troubleshooting

Is each switch information OK?

YES

Intermittent failure, the system is OK at this time.

NO

Tailgate latch switch circuit troubleshooting: go to step 2.

NO

Security hood switch circuit troubleshooting: go to step 8.

NO

Driver's door lock knob switch circuit troubleshooting: go to step 14.

NO

Front passenger's door lock knob switch circuit troubleshooting: go to step 20.

NO

Left rear door lock knob switch circuit troubleshooting: go to step 26.

NO

Right rear door lock knob switch circuit troubleshooting: go to step 32.

NO

Driver's door switch circuit troubleshooting: go to step 38.

NO

Front passenger's door switch circuit troubleshooting: go to step 43.

NO

Left rear door switch circuit troubleshooting: go to step 48.

NO

Right rear door switch circuit troubleshooting: go to step 53.

NO

Driver's door key cylinder switch circuit troubleshooting: go to step 58.

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

  1. With the tailgate closed, check the parameter(s) below with the HDS.

Security System Keyless Entry System - Testing & Troubleshooting

Is information indicator ON?

YES

Go to step 3.

NO

Go to step 5.

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

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Disconnect the following connector.

Tailgate latch switch 2P connector

  1. Turn the vehicle to the ON mode.
  2. Check the parameter(s) below with the HDS.

Security System Keyless Entry System - Testing & Troubleshooting

Is information indicator OFF?

YES

Faulty tailgate latch switch; replace the tailgate latch.

NO

Go to step 4.

4. Shorted wire check (TAIL GATE SW line):

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Disconnect the following connector.

Under-dash fuse/relay box connector N (52P)

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

Security System Keyless Entry System - Testing & Troubleshooting

Is there continuity?

YES

Repair a short to ground in the wire.

NO

The TAIL GATE SW wire is OK. Faulty MICU; replace the under-dash fuse/relay box.

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

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Disconnect the following connector.

Tailgate latch switch 2P connector

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

Security System Keyless Entry System - Testing & Troubleshooting

Security System Keyless Entry System - Testing & Troubleshooting

  1. Turn the vehicle to the ON mode.
  2. Check the parameter(s) below with the HDS.

Security System Keyless Entry System - Testing & Troubleshooting

Is information indicator ON?

YES

Go to step 6.

NO

Go to step 7.

6. Open wire check (GND line):

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Check for continuity between test points 1 and 2.

Security System Keyless Entry System - Testing & Troubleshooting

Security System Keyless Entry System - Testing & Troubleshooting

Is there continuity?

YES

The GND wire is OK. Faulty tailgate latch switch; replace the tailgate latch.

NO

Repair an open or high resistance in the ground wire or poor ground (G504).

7. Open wire check (TAIL GATE SW line):

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

Security System Keyless Entry System - Testing & Troubleshooting

  1. Check the parameter(s) below with the HDS.

Security System Keyless Entry System - Testing & Troubleshooting

Is information indicator ON?

YES

Repair an open or high resistance in the wire.

NO

The TAIL GATE SW wire is OK. Faulty MICU; replace the under-dash fuse/relay box.

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

  1. With the hood opened, check the parameter(s) below with the HDS.

Security System Keyless Entry System - Testing & Troubleshooting

Security System Keyless Entry System - Testing & Troubleshooting

Is information indicator OFF?

YES

Go to step 9.

NO

Go to step 11.

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

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Disconnect the following connector.

Security hood switch 2P connector

  1. Turn the vehicle to the ON mode.
  2. Check the parameter(s) below with the HDS.

Security System Keyless Entry System - Testing & Troubleshooting

Is information indicator ON?

YES

Faulty security hood switch; replace the hood latch.

NO

Go to step 10.

10.Shorted wire check (HOOD SW line):

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Disconnect the following connector.

Under-dash fuse/relay box connector Q (40P)

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

Security System Keyless Entry System - Testing & Troubleshooting

Security System Keyless Entry System - Testing & Troubleshooting

Is there continuity?

YES

Repair a short to ground in the wire.

NO

The HOOD SW wire is OK. Faulty MICU; replace the under-dash fuse/relay box.

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

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Disconnect the following connector.

Security hood switch 2P connector

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

Security System Keyless Entry System - Testing & Troubleshooting

Security System Keyless Entry System - Testing & Troubleshooting

  1. Turn the vehicle to the ON mode.
  2. Check the parameter(s) below with the HDS.

Security System Keyless Entry System - Testing & Troubleshooting

Is information indicator OFF?

YES

Go to step 12.

NO

Go to step 13.

12.Open wire check (GND line):

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Check for continuity between test points 1 and 2.

Security System Keyless Entry System - Testing & Troubleshooting

Security System Keyless Entry System - Testing & Troubleshooting

Is there continuity?

YES

The GND wire is OK. Faulty security hood switch; replace the hood latch.

NO

Repair an open or high resistance in the ground wire or poor ground (G302).

13.Open wire check (HOOD SW line):

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

Security System Keyless Entry System - Testing & Troubleshooting

  1. Check the parameter(s) below with the HDS.

Security System Keyless Entry System - Testing & Troubleshooting

Is information indicator OFF?

YES

Repair an open or high resistance in the wire.

NO

The HOOD SW wire is OK. Faulty MICU; replace the under-dash fuse/relay box.

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

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

Security System Keyless Entry System - Testing & Troubleshooting

Is information indicator ON?

YES

Go to step 15.

NO

Go to step 17.

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

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Disconnect the following connector.

Driver's door latch 10P connector

  1. Turn the vehicle to the ON mode.
  2. Check the parameter(s) below with the HDS.

Security System Keyless Entry System - Testing & Troubleshooting

Is information indicator OFF?

YES

Faulty driver's door lock knob switch; replace the driver's door latch.

NO

Go to step 16.

16.Shorted wire check (DR SILCON UNLOCK line):

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Disconnect the following connector.

Under-dash fuse/relay box connector D (24P)

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

Security System Keyless Entry System - Testing & Troubleshooting

Is there continuity?

YES

Repair a short to ground in the wire.

NO

The DR SILCON UNLOCK wire is OK. Faulty MICU; replace the under-dash fuse/relay box.

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

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Disconnect the following connector.

Driver's door latch 10P connector

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

Security System Keyless Entry System - Testing & Troubleshooting

Security System Keyless Entry System - Testing & Troubleshooting

  1. Turn the vehicle to the ON mode.
  2. Check the parameter(s) below with the HDS.

Security System Keyless Entry System - Testing & Troubleshooting

Is information indicator ON?

YES

Go to step 18.

NO

Go to step 19.

18.Open wire check (GND line):

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Check for continuity between test points 1 and 2.

Security System Keyless Entry System - Testing & Troubleshooting

Security System Keyless Entry System - Testing & Troubleshooting

Is there continuity?

YES

The GND wire is OK. Faulty driver's door lock knob switch; replace the driver's door latch.

NO

Repair an open or high resistance in the ground wire or poor ground (G401).

19.Open wire check (DR SILCON UNLOCK line):

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

Security System Keyless Entry System - Testing & Troubleshooting

  1. Check the parameter(s) below with the HDS.

Security System Keyless Entry System - Testing & Troubleshooting

Is information indicator ON?

YES

Repair an open or high resistance in the wire.

NO

The DR SILCON UNLOCK wire is OK. Faulty MICU; replace the under-dash fuse/relay box.

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

  1. With the front passenger's door lock knob switch in LOCK position, check the parameter(s) below with the HDS.

Security System Keyless Entry System - Testing & Troubleshooting

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):

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Disconnect the following connector.

Front passenger's door latch 10P connector

  1. Turn the vehicle to the ON mode.
  2. Check the parameter(s) below with the HDS.

Security System Keyless Entry System - Testing & Troubleshooting

Is information indicator OFF?

YES

Faulty front passenger's door lock knob switch; replace the front passenger's door latch.

NO

Go to step 22.

22.Shorted wire check (AS SILCON UNLOCK line):

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Disconnect the following connector.

Under-dash fuse/relay box connector A (16P)

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

Security System Keyless Entry System - Testing & Troubleshooting

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.

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

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Disconnect the following connector.

Front passenger's door latch 10P connector

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

Security System Keyless Entry System - Testing & Troubleshooting

Security System Keyless Entry System - Testing & Troubleshooting

  1. Turn the vehicle to the ON mode.
  2. Check the parameter(s) below with the HDS.

Security System Keyless Entry System - Testing & Troubleshooting

Is information indicator ON?

YES

Go to step 24.

NO

Go to step 25.

24.Open wire check (GND line):

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Check for continuity between test points 1 and 2.

Security System Keyless Entry System - Testing & Troubleshooting

Security System Keyless Entry System - Testing & Troubleshooting

Is there continuity?

YES

The GND wire is OK. Faulty front passenger's door lock knob switch; replace the front passenger's door latch.

NO

Repair an open or high resistance in the ground wire or poor ground (G403).

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

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

Security System Keyless Entry System - Testing & Troubleshooting

  1. Check the parameter(s) below with the HDS.

Security System Keyless Entry System - Testing & Troubleshooting

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.

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.

Security System Keyless Entry System - Testing & Troubleshooting

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 vehicle to the OFF (LOCK) mode.
  2. Disconnect the following connector.

Left rear door latch 10P connector

  1. Turn the vehicle to the ON mode.
  2. Check the parameter(s) below with the HDS.

Security System Keyless Entry System - Testing & Troubleshooting

Is information indicator OFF?

YES

Faulty left rear door lock knob switch; replace the left rear door latch.

NO

Go to step 28.

28.Shorted wire check (RR L SILCON UNLOCK line):

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Disconnect the following connector.

Under-dash fuse/relay box connector N (52P)

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

Security System Keyless Entry System - Testing & Troubleshooting

Is there continuity?

YES

Repair a short to ground in the wire.

NO

The RR L SILCON UNLOCK wire is OK. Faulty MICU; replace the under-dash fuse/relay box.

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

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Disconnect the following connector.

Left rear door latch 10P connector

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

Security System Keyless Entry System - Testing & Troubleshooting

Security System Keyless Entry System - Testing & Troubleshooting

  1. Turn the vehicle to the ON mode.
  2. Check the parameter(s) below with the HDS.

Security System Keyless Entry System - Testing & Troubleshooting

Is information indicator ON?

YES

Go to step 30.

NO

Go to step 31.

30.Open wire check (GND line):

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Check for continuity between test points 1 and 2.

Security System Keyless Entry System - Testing & Troubleshooting

Security System Keyless Entry System - Testing & Troubleshooting

Is there continuity?

YES

The GND wire is OK. Faulty left rear door lock knob switch; replace the left rear door latch.

NO

Repair an open or high resistance in the ground wire or poor ground (G502).

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

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

Security System Keyless Entry System - Testing & Troubleshooting

  1. Check the parameter(s) below with the HDS.

Security System Keyless Entry System - Testing & Troubleshooting

Is information indicator ON?

YES

Repair an open or high resistance in the wire.

NO

The RR L SILCON UNLOCK wire is OK. Faulty MICU; replace the under-dash fuse/relay box.

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.

Security System Keyless Entry System - Testing & Troubleshooting

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 vehicle to the OFF (LOCK) mode.
  2. Disconnect the following connector.

Right rear door latch 10P connector

  1. Turn the vehicle to the ON mode.
  2. Check the parameter(s) below with the HDS.

Security System Keyless Entry System - Testing & Troubleshooting

Is information indicator OFF?

YES

Faulty right rear door lock knob switch; replace the right rear door latch.

NO

Go to step 34.

34.Shorted wire check (RR R SILCON UNLOCK line):

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Disconnect the following connector.

Under-dash fuse/relay box connector N (52P)

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

Security System Keyless Entry System - Testing & Troubleshooting

Is there continuity?

YES

Repair a short to ground in the wire.

NO

The RR R SILCON UNLOCK wire is OK. Faulty MICU; replace the under-dash fuse/relay box.

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

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Disconnect the following connector.

Right rear door latch 10P connector

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

Security System Keyless Entry System - Testing & Troubleshooting

Security System Keyless Entry System - Testing & Troubleshooting

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Check the parameter(s) below with the HDS.

Security System Keyless Entry System - Testing & Troubleshooting

Is information indicator ON?

YES

Go to step 36.

NO

Go to step 37.

36.Open wire check (GND line):

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Check for continuity between test points 1 and 2.

Security System Keyless Entry System - Testing & Troubleshooting

Security System Keyless Entry System - Testing & Troubleshooting

Is there continuity?

YES

The GND wire is OK. Faulty right rear door lock knob switch; replace the right rear door latch.

NO

Repair an open or high resistance in the ground wire or poor ground (G501).

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

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

Security System Keyless Entry System - Testing & Troubleshooting

  1. Check the parameter(s) below with the HDS.

Security System Keyless Entry System - Testing & Troubleshooting

Is information indicator ON?

YES

Repair an open or high resistance in the wire.

NO

The RR R SILCON UNLOCK wire is OK. Faulty MICU; replace the under-dash fuse/relay box.

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

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

Security System Keyless Entry System - Testing & Troubleshooting

Is information indicator ON?

YES

Go to step 39.

NO

Go to step 41.

39.Driver's door switch operation check:

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Remove the driver's door switch.
  3. Disconnect the following connector.

Driver's door switch 1P connector

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

Security System Keyless Entry System - Testing & Troubleshooting

Security System Keyless Entry System - Testing & Troubleshooting

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.

Under-dash fuse/relay box connector N (52P)

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

Security System Keyless Entry System - Testing & Troubleshooting

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.

41.Driver's door switch operation check:

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Remove the driver's door switch.
  3. Disconnect the following connector.

Driver's door switch 1P connector

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

Security System Keyless Entry System - Testing & Troubleshooting

Security System Keyless Entry System - Testing & Troubleshooting

Is there no continuity when you push the switch and is there continuity when you release the switch?

YES

Go to step 42.

NO

Replace the driver's door switch.

42.Open wire check (DR DOOR SW line):

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

Security System Keyless Entry System - Testing & Troubleshooting

  1. Check the parameter(s) below with the HDS.

Security System Keyless Entry System - Testing & Troubleshooting

Is information indicator ON?

YES

Repair an open or high resistance in the wire.

NO

The DR DOOR SW wire is OK. Faulty MICU; replace the under-dash fuse/relay box.

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

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

Security System Keyless Entry System - Testing & Troubleshooting

Is information indicator ON?

YES

Go to step 44.

NO

Go to step 46.

44.Front passenger's door switch operation check:

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Remove the front passenger's door switch.
  3. Disconnect the following connector.

Remove the front passenger's door switch.

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

Security System Keyless Entry System - Testing & Troubleshooting

Security System Keyless Entry System - Testing & Troubleshooting

Is there no continuity when you push the switch and is there continuity when you release the switch?

YES

Go to step 45.

NO

Replace the front passenger's door switch.

45.Shorted wire check (AS DOOR SW line):1

  1. Disconnect the following connector.

Under-dash fuse/relay box connector N (52P)

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

Security System Keyless Entry System - Testing & Troubleshooting

Is there continuity?

YES

Repair a short to ground in the wire.

NO

The AS DOOR SW wire is OK. Faulty MICU; replace the under-dash fuse/relay box.

46.Front passenger's door switch operation check:

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Remove the front passenger's door switch.
  3. Disconnect the following connector.

Front passenger's door switch 1P connector

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

Security System Keyless Entry System - Testing & Troubleshooting

Security System Keyless Entry System - Testing & Troubleshooting

Is there no continuity when you push the switch and is there continuity when you release the switch?

YES

Go to step 47.

NO

Replace the front passenger's door switch.

47.Open wire check (AS DOOR SW line):

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

Security System Keyless Entry System - Testing & Troubleshooting

  1. Check the parameter(s) below with the HDS.

Security System Keyless Entry System - Testing & Troubleshooting

Is information indicator ON?

YES

Repair an open or high resistance in the wire.

NO

The AS DOOR SW wire is OK. Faulty MICU; replace the under-dash fuse/relay box.

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

  1. With the left rear door closed, check the parameter(s) below with the HDS.

Security System Keyless Entry System - Testing & Troubleshooting

Is information indicator ON?

YES

Go to step 49.

NO

Go to step 51.

49.Left rear door switch operation check:

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Remove the left rear door switch.
  3. Disconnect the following connector.

Left rear door switch 1P connector

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

Security System Keyless Entry System - Testing & Troubleshooting

Security System Keyless Entry System - Testing & Troubleshooting

Is there no continuity when you push the switch and is there continuity when you release the switch?

YES

Go to step 50.

NO

Replace the left rear door switch.

50.Shorted wire check (RR DR DOOR SW line):

  1. Disconnect the following connector.

Under-dash fuse/relay box connector N (52P)

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

Security System Keyless Entry System - Testing & Troubleshooting

Is there continuity?

YES

Repair a short to ground in the wire.

NO

The RR DR DOOR SW wire is OK. Faulty MICU; replace the under-dash fuse/relay box.

51.Left rear door switch operation check:

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Remove the left rear door switch.
  3. Disconnect the following connector.

Left rear door switch 1P connector

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

Security System Keyless Entry System - Testing & Troubleshooting

Security System Keyless Entry System - Testing & Troubleshooting

Is there no continuity when you push the switch and is there continuity when you release the switch?

YES

Go to step 52.

NO

Replace the left rear door switch.

52.Open wire check (RR DR DOOR SW line):

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

Security System Keyless Entry System - Testing & Troubleshooting

  1. Check the parameter(s) below with the HDS.

Security System Keyless Entry System - Testing & Troubleshooting

Is information indicator ON?

YES

Repair an open or high resistance in the wire.

NO

The RR DR DOOR SW wire is OK. Faulty MICU; replace the under-dash fuse/relay box.

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

  1. With the right rear door closed, check the parameter(s) below with the HDS.

Security System Keyless Entry System - Testing & Troubleshooting

Is information indicator ON?

YES

Go to step 54.

NO

Go to step 56.

54.Right rear door switch operation check:

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Remove the right rear door switch.
  3. Disconnect the following connector.

Right rear door switch 1P connector

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

Security System Keyless Entry System - Testing & Troubleshooting

Security System Keyless Entry System - Testing & Troubleshooting

Is there no continuity when you push the switch and is there continuity when you release the switch?

YES

Go to step 55.

NO

Replace the right rear door switch.

55.Shorted wire check (RR AS DOOR SW line):

  1. Disconnect the following connector.

Under-dash fuse/relay box connector N (52P)

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

Security System Keyless Entry System - Testing & Troubleshooting

Is there continuity?

YES

Repair a short to ground in the wire.

NO

The RR AS DOOR SW wire is OK. Faulty MICU; replace the under-dash fuse/relay box.

56.Right rear door switch operation check:

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Remove the right rear door switch.
  3. Disconnect the following connector.

Right rear door switch 1P connector

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

Security System Keyless Entry System - Testing & Troubleshooting

Security System Keyless Entry System - Testing & Troubleshooting

Is there no continuity when you push the switch and is there continuity when you release the switch?

YES

Go to step 57.

NO

Replace the right rear door switch.

57.Open wire check (RR AS DOOR SW line):

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

Security System Keyless Entry System - Testing & Troubleshooting

  1. Check the parameter(s) below with the HDS.

Security System Keyless Entry System - Testing & Troubleshooting

Is information indicator ON?

YES

Repair an open or high resistance in the wire.

NO

The RR AS DOOR SW wire is OK. Faulty MICU; replace the under-dash fuse/relay box.

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

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Disconnect the following connector.

Driver's door latch 10P connector

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

Security System Keyless Entry System - Testing & Troubleshooting

Security System Keyless Entry System - Testing & Troubleshooting

  1. Turn the vehicle to the ON mode.
  2. Check the parameter(s) below with the HDS.

Security System Keyless Entry System - Testing & Troubleshooting

Is information indicator ON?

YES

Go to step 59.

NO

Go to step 61.

59.Driver's door key cylinder switch operation check:

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Test the driver's door key cylinder switch.

Is the switch OK?

YES

Go to step 60.

NO

Faulty driver's door key cylinder switch; replace the driver's door latch.

60.Open wire check (GND line):

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

Security System Keyless Entry System - Testing & Troubleshooting

Security System Keyless Entry System - Testing & Troubleshooting

Is there continuity?

YES

The GND wire is OK. Faulty MICU; replace the under-dash fuse/relay box.

NO

Repair an open or high resistance in the ground wire or poor ground (G401).

61.Open wire check (DR KEY CYL LOCK line):

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

Security System Keyless Entry System - Testing & Troubleshooting

  1. Check the parameter(s) below with the HDS.

Security System Keyless Entry System - Testing & Troubleshooting

Is information indicator ON?

YES

Repair an open or high resistance in the wire.

NO

The DR KEY CYL LOCK wire is OK. Faulty MICU; replace the under-dash fuse/relay box.

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