Toyota Tacoma (2015-2018) Service Manual: 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
.gif)
). - 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:
Entry functions operate normally.
| OK | .gif) |
GO TO METER / GAUGE SYSTEM |
| NG | |
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 Differential Oil Temperature Sensor Circuit Low (P17C7)
DESCRIPTION
This DTC is output when a short to ground in the oil temperature sensor is detected.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
P17C7
Front Differential Oil Temperature Sensor Circuit Low
...
Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter
DESCRIPTION
for Navigation Function:
The navigation receiver assembly receives a vehicle speed signal from
the combination meter assembly and sends the signal to navigation receiver
assembly.
for Automatic Sound Levelizer (ASL):
This circuit is necessary for the Aut ...
Installation
INSTALLATION
CAUTION / NOTICE / HINT
PROCEDURE
1. INSTALL REAR AIRBAG SENSOR LH
(a) Check that the ignition switch is OFF.
(b) Check that the cable is disconnected from the battery negative (-) terminal.
CAUTION:
After disconnecting the cable from the terminal, wait for at least 90 seconds
...
