Toyota Tacoma (2015-2018) Service Manual: Wireless Door Lock Control System(w/o Smart Key System)

Wireless Door Lock Tuner Circuit Malfunction (B1242)

DESCRIPTION The door control receiver is used to receive radio waves relating to the entry functions of the electrical key transmitter sub-assembly. The certification ECU (smart key ECU assembly) ...

Precaution

PRECAUTION 1. DOOR CONTROL RECEIVER EXPRESSIONS (a) The type of door control receiver used on this model differs according to the specifications of the vehicle. The expressions listed in the table ...

Other materials:

All Door Entry Lock/Unlock Functions do not Operate, but Wireless Functions Operate
DESCRIPTION When the wireless operation can be used to lock and unlock the doors, communication between the electrical key and TPMS receiver assembly and certification ECU (smart key ECU assembly) is normal. If the entry lock and unlock functions do not operate, the entry cancel function may ...

Data List / Active Test
DATA LIST / ACTIVE TEST 1. READ DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or sig ...

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 this case, there may be a problem related to the front door outside handle assembly LH (lock sensor ...