Toyota Tacoma (2015-2018) Service Manual: System Diagram
SYSTEM DIAGRAM
Communication Table
|
Transmitting ECU (Transmitter) |
Receiving ECU (Receiver) |
Signal |
Line |
|---|---|---|---|
|
Certification ECU (Smart Key ECU Assembly) |
Main Body ECU (Multiplex Network Body ECU) |
|
CAN |
|
Main Body ECU (Multiplex Network Body ECU) |
Combination Meter Assembly |
Wireless door lock hazard warning light request signal |
CAN |
System Description
SYSTEM DESCRIPTION
1. WIRELESS DOOR LOCK CONTROL SYSTEM
The wireless door lock control system can be used to lock and unlock all doors
from a distance. The system is controlled by an electrical ke ...
Customize Parameters
CUSTOMIZE PARAMETERS
PROCEDURE
1. CUSTOMIZE WIRELESS DOOR LOCK CONTROL SYSTEM (w/ Smart Key System)
HINT:
The following items can be customized.
NOTICE:
When the customer requests a chan ...
Other materials:
Transfer L4 Position Switch Circuit (C1268)
DESCRIPTION
A-TRAC is activated if wheel skid is detected while the transfer is in the L4
position.
DTC Code
DTC Detecting Condition
Trouble Areas
C1268
L4 detection switch signal input to skid control ECU (master cylinder
solenoid ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) When troubleshooting OBD II (On-Board Diagnostics) vehicles, an OBD II scan
tool (complying with SAE J1978) must be connected to the DLC3 (Data Link Connector
3) of the vehicle. Various data in the vehicle ECM (Engine Control Module) can be
then read.
(b) ...
How To Proceed With Troubleshooting
PROCEDURE
1.
CHECK TIRE AND WHEEL SYSTEM
DIAGNOSIS OF IRREGULAR TIRE WEAR
GO TO STEP 11
DIAGNOSIS OF TIRE VIBRATION
2.
TIGHTEN WHEEL NUTS
...
