Keyless Access System Symptom Troubleshooting - The key-in reminder does not sound
The key-in reminder does not sound
1.
Open wire check (driver's door switch line):

Open wire check (driver's door switch line)
?1.
Turn the interior light switch to DOOR position.

?2.
Open the driver's door.

Do the individual map lights come on?

     
YES
     
     
     
The driver's door switch wire is OK. Go to step 2.
     
NO
     
     
     
Open or high resistance in the wire. If the wire is OK, replace the driver's door switch.?
2.
Determine possible failure area (gauge control module, others):

Determine possible failure area (gauge control module, others)
?1.
Select GAUGES from the BODY ELECTRICAL SYSTEM SELECT menu with the HDS.

  

?2.
Select FUNCTIONAL TESTS from the TEST MODE menu with the HDS, and enter SELF TEST.

Does the key-in reminder sound?

     
YES
     
     
     
Go to step 3.
     
NO
     
     
     
3.
Determine possible failure area (keyless access control unit, others):

Determine possible failure area (keyless access control unit, others)
?1.
Open the driver's door.

?2.
Connect terminals A and B with a jumper wire.
Terminals A
Keyless access control unit connector A (32P) No. 2
Terminals B
Body ground

Does the key-in reminder sound?

     
YES
     
     
     
     
NO
     
     
     
Go to step 4.
4.
Open wire check (KEY SW line):

Open wire check (KEY SW line)
?1.
Turn the vehicle to the OFF (LOCK) mode.

?2.
Disconnect the following connectors.
Under-dash fuse/relay box connector D (24P)
Keyless access control unit connector A (32P)

?3.
Check for continuity between test points 1 and 2.
Test condition
Vehicle OFF (LOCK) mode
Under-dash fuse/relay box connector D (24P): disconnected
Keyless access control unit connector A (32P): disconnected


Is there continuity?

     
YES
     
     
     
The KEY SW wire is OK. Faulty MICU; replace the under-dash fuse/relay box.?
     
NO
     
     
     
Repair an open or high resistance in the wire.?