Toyota Tacoma (2015-2018) Service Manual: System Diagram
SYSTEM DIAGRAM
Precaution
PRECAUTION
1. EXPRESSIONS OF IGNITION SWITCH
The type of ignition switch used on this model differs depending on the specifications
of the vehicle. The expressions listed in the table below are us ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use this procedure to troubleshoot the seat heater system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
...
Other materials:
Engine Immobiliser System Circuit Short to Battery (B279A12)
DESCRIPTION
When the communication line (IMI - EFIO) between the ECM and certification ECU
(smart key ECU assembly) is stuck high, the ECM stores this DTC.
DTC Code
DTC Detection Condition
Trouble Area
DTC Output Confirmation Operation
...
Extension Module Malfunction (B1552,B158A,B15BA)
DESCRIPTION
These DTCs are stored when a malfunction occurs in the extension module.
DTC Code
DTC Detection Condition
Trouble Area
B1552
Internal malfunction of the extension module
Stereo component tuner assembly
...
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the back sonar or clearance sonar switch assembly on.
(d) Turn the Techstream on.
(e) Enter the following menus: Body Electrical / Intuitive P/A / Trouble Codes.
(f) Check for D ...
