Keyless Buzzer Circuit Troubleshooting (2013-15)
- Open wire check (GND line):
Press the engine start/stop button to select the OFF mode.
- 2. Disconnect the following connector.
Keyless buzzer 3P connector - 3. Check for continuity between test points 1 and 2.
Test condition OFF modeKeyless buzzer 3P connector: disconnected Test circuit GND Test point 1 Keyless buzzer 3P connector No. 3 (BLK) Test point 2 Body ground Is there continuity?
YES
The GND wire is OK. Go to step 2.
NO
Repair an open or high resistance in the ground wire or poor ground (G601).
- Open wire check (SMART BUZZER line):
Disconnect the following connector.
Under-dash fuse/relay box connector X (10P) - 2. Connect terminals A and B with a jumper wire.
Terminal A Keyless buzzer 3P connector No. 2 (BRN) Terminal B Body ground - 3. Check for continuity between test points 1 and 2.
Test condition OFF modeKeyless buzzer 3P connector: disconnectedKeyless buzzer 3P connector: jumped to body groundUnder-dash fuse/relay box connector X (10P): disconnected Test circuit SMART BUZZER Test point 1 Under-dash fuse/relay box connector X (10P) No. 3 (BRN) Test point 2 Body ground Is there continuity?
YES
The SMART BUZZER wire is not open. Go to step 3.
NO
Repair an open or high resistance in the wire.
- Shorted wire check (SMART BUZZER line):
Remove the jumper wire.
- 2. Check for continuity between test points 1 and 2.
Test condition OFF modeKeyless buzzer 3P connector: disconnectedUnder-dash fuse/relay box connector X (10P): disconnected Test circuit SMART BUZZER Test point 1 Under-dash fuse/relay box connector X (10P) No. 3 (BRN) Test point 2 Body ground Is there continuity?
YES
Repair a short to ground in the wire.
NO
The SMART BUZZER wire is OK. Go to step 4.
- Keyless buzzer check (substitution):
Substitute a known-good keyless buzzer.
- 2. Check the keyless buzzer function.
Does the keyless buzzer sound?
YES
Replace the original keyless buzzer .
NO