CAUTION
This is a warning against anything which may cause injury to people if the warning is ignored. You are informed about what you must or must not do in order to reduce the risk of injury to yourself and others.
NOTICE
This is a warning against anything which may cause damage to the vehicle or its equipment if the warning is ignored. You are informed about what you must or must not do in order to avoid or reduce the risk of damage to your Toyota and its equipment.
Symbols used in illustrationsDiagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
VSC System
DTC Code
Detection Item
See page
C1201
Engine Control System Malfunction
C1203
ECM Communication Circuit Malfunction
C120B
...
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)
...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
When troubleshooting a vehicle with the diagnosis system, the only difference
from the usual troubleshooting procedure is connecting the Techstream to the vehicle
and reading various data output from the vehicle's skid control ECU (brake actuator
assembly) ...