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:
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK ENGINE SWITCH
(a) Measure the resistance and voltage according to the value(s) in the table
below.
Terminal No. (Symbol)
Input/Output
Wiring Color
Terminal Description
Condition
Specified Condition
...
Four Wheel Drive (4WD) Range Signal Circuit Range / Performance (P279E)
DESCRIPTION
When the transfer position switch is switched, the 2-4 terminal and LO terminal
change to one of the following ON/OFF combinations listed in the table below.
Terminal
2WD
Between 2WD and H4
H4
Between H4 and L4
L4
...
Vehicle Control History
VEHICLE CONTROL HISTORY
1. Function Overview
(a) The vehicle control history is a function that records control data (record
data) when triggered by specific vehicle behavior. When DTCs are not detected according
to information provided by customers, by checking the vehicle control history, it ...
