SYSTEM DIAGRAM
1. DOOR BUS LINES
2. CERTIFICATION BUS LINES (w/ Smart Key System)

Related Tacoma materials
SD Card Communication Malfunction (B158C)
DESCRIPTION
The navigation receiver assembly stores this DTC when the SD card cannot be mounted
when inserted into the SD card slot.
DTC Code
DTC Detection Condition
Trouble Area
B158C ...
Vehicle Speed Sensor (C1A45)
DESCRIPTION
The blind spot monitor sensor receives vehicle speed signals from the skid control
ECU (brake actuator assembly) via CAN communication.
DTC Code
DTC Detection Condition
Trouble Area
...
Definition Of Terms
DEFINITION OF TERMS
Term
Definition
Monitor Description
Description of what the ECM monitors and how it detects malfunctions
(monitoring purpose and details).
...