- 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 ...
Related Tacoma materials
Initialization
INITIALIZATION
1. ZERO POINT CALIBRATION
NOTICE:
Make sure that the front passenger seat is not occupied before performing the
operation.
HINT:
Perform the zero point calibration and sensitivity check if any of the following
conditions apply.
The occupant detection ECU is replaced. ...
Open in Bus 2 Main Bus Line
DESCRIPTION
There may be an open circuit in one of the CAN main bus lines and/or a central
gateway ECU (network gateway ECU) branch lines when the resistance between terminals
18 (CA4H) and 17 (CA4L) of the central gateway ECU (network gateway ECU) is 70 Ω
or higher.
Detection It ...
Data Signal Circuit between Stereo Jack Adapter and Extension Module
DESCRIPTION
The No. 1 stereo jack adapter assembly sends the sound data signal or image data
signal from a USB device to the navigation receiver assembly via this circuit.
WIRING DIAGRAM
PROCEDURE
1.
CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - NO. 1 STE ...