Toyota Tacoma (2015-2018) Service Manual: Wireless Door Lock Control System(w/o Smart Key System)
- Precaution
- Parts Location
- System Description
- System Diagram
- How To Proceed With Troubleshooting
- Operation Check
- Customize Parameters
- Problem Symptoms Table
- Registration
- Diagnosis System
- Terminals Of Ecu
- Data List / Active Test
- No Answer-Back
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:
Transmitter Battery(w/ Smart Key System)
Replacement
REPLACEMENT
CAUTION / NOTICE / HINT
NOTICE:
Take extra care when handling these precision electronic components.
PROCEDURE
1. REMOVE TRANSMITTER BATTERY
(a) Push the release hook knob and extract the mechanical key as shown
in the illustration.
Text in Illustra ...
Status Signal Circuit
DESCRIPTION
This circuit sends a smart key system status signal from the certification ECU
(smart key ECU assembly) to the mobile wireless charger cradle assembly. Based on
this signal, the mobile wireless charger cradle assembly suspends or resumes wireless
charging.
WIRING DIAGRAM
CAUTI ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK 4 WHEEL DRIVE CONTROL ECU
Text in Illustration
*a
Component with harness connected
(4 Wheel Drive Control ECU)
-
-
(a) Measure the resistance and voltage according to the value(s) in the table
below.
...
