Toyota Tacoma 2015-2018 Service Manual: Entry Interior Alarm does not Sound

Toyota Tacoma 2015-2018 Service Manual / Door Lock / Smart Key System(for Entry Function) / Entry Interior Alarm does not Sound

DESCRIPTION

The smart key system (for Entry Function) uses the buzzer in the combination meter assembly to perform various vehicle interior warnings. When the conditions of each warning are met, the certification ECU (smart key ECU assembly) sends a buzzer activation request signal to the combination meter assembly via CAN communication and the buzzer sounds.

CAUTION / NOTICE / HINT

NOTICE:

The smart key system (for Entry Function) uses a multiplex communication system (LIN communication system) and the CAN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the smart key system (for Entry Function) after confirming that the communication systems are functioning properly (See page ).
Before replacing the certification ECU (smart key ECU assembly), refer to the smart key system (for Entry Function) (See page ).

PROCEDURE

1.	CHECK ENTRY DOOR LOCK OPERATION

(a) Check that the entry functions operate normally (See page OK: ).

OK:

Entry functions operate normally.

GO TO METER / GAUGE SYSTEM

GO TO OTHER PROBLEM

Driver Side Door Entry Lock Function does not Operate

DESCRIPTION If the entry lock function does not operate for the driver door only, but the entry unlock function operates, the request code is being transmitted properly from the driver door. In t ...

Room Oscillator does not Recognize Key

DESCRIPTION If code verification cannot be performed in the vehicle interior, there may be problems with the communication between the vehicle (indoor electrical key antenna assembly (front floor ...

Other materials:

Front Axle Hub Bolt
Installation INSTALLATION PROCEDURE 1. INSTALL FRONT AXLE HUB BOLT (a) Install a new hub bolt through the axle hub. (b) Install the washer plate, as shown in the illustration, through the hub bolt, and install the hub bolt by tightening the hub nut. 2. INSTALL FRONT DISC 3. INSTALL FRON ...

Removal
REMOVAL PROCEDURE 1. REMOVE FUEL DELIVERY PIPE ASSEMBLY LH (FUEL PRESSURE SENSOR) (See page ) NOTICE: Do not remove the fuel pressure sensor from the fuel delivery pipe sub-assembly LH. If a fuel pressure sensor is removed, replace the fuel delivery pipe sub-assembly LH (fu ...

How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Use these procedures to troubleshoot the rear view monitor system. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CUSTOMER PROBLEM ANALYSIS ...