Toyota Tacoma (2015-2018) Service Manual: Lin Communication System
- Precaution
- Parts Location
- System Description
- System Diagram
- How To Proceed With Troubleshooting
- Terminals Of Ecu
- Data List / Active Test
- Diagnosis System
- Dtc Check / Clear
- Communication Malfunction between ECUs Connected by LIN (B2785)
- No Response from Steering Lock ECU (B2786)
- Diagnostic Trouble Code Chart
- Sliding Roof ECU Communication Stop (B1273)
- Driver Side Door ECU Communication Stop (B2321)
- LIN Communication Bus Malfunction (B2325)
- P/W Master Switch Communication Stop (B1206)
- Lost Communication with Power Source Control (B278C)
- Front Passenger Side Door ECU Communication Stop (B2322)
Precaution
PRECAUTION
1. EXPRESSIONS OF IGNITION SWITCH
HINT:
The type of ignition switch used on this model differs according to the specifications
of the vehicle. The expressions listed in the table below ...
Other materials:
Antenna Coil Open / Short (B2784)
DESCRIPTION
When an open or short circuit is detected in the transponder key amplifier coil
built into the engine switch, the certification ECU (smart key ECU assembly) stores
this DTC. This DTC is also stored as a past DTC.
DTC Code
DTC Detection Condition
Tro ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. CONNECT TECHSTREAM
(a) Warm up the engine.
(b) Turn the ignition switch to off.
(c) Connect the Techstream to the DLC3.
(d) Turn the ignition switch to ON.
(e) Turn the Techstream on.
(f) Enter the following menus: Chassis / ABS/VSC/TRAC / Active Test.
2. ...
Steering Pad Switch Circuit
DESCRIPTION
This circuit sends an operation signal from the steering pad switch assembly
to the radio and display receiver assembly.
If there is an open in the circuit, the audio system cannot be operated using
the steering pad switch assembly.
If there is a short in the circuit, the same con ...
