Toyota Venza: Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
The ECU stores trouble codes when malfunctions occur.
The diagnostic system allows for reading of the trouble codes from the DLC3 using the Techstream.
Use the Techstream to help diagnose and repair the problem.
2. CHECK DLC3
(a) Check the DLC3 (See page .gif)
).
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are lis ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)
(a) Disconnect the 2A, 2C and 2F main body ECU (driver side junction block assembly)
connectors.
(b) Measure the vo ...
Other materials about Toyota Venza:
Transfer System
Precaution
PRECAUTION
Prior to starting any work, clean the transfer assembly to prevent sand
or mud deposits from entering the assembly.
When removing any light alloy components such as the transfer cover,
do not pry on the component wi ...
Steering Position Sensor Malfunction (B2414)
DESCRIPTION
The AFS ECU (headlight swivel ECU assembly) receives signals indicating the swerve-angle
from the steering angle sensor using CAN communication.
DTC No.
DTC Detection Condition
Trouble Area
B241 ...
Random Access Memory (RAM) (P0604)
MONITOR DESCRIPTION
The ECM continuously monitors its internal memory status. This self-check ensures
that the ECM is functioning properly. It is diagnosed by internal "mirroring" of
the main CPU and sub CPU to detect Random Access Memory (RAM) ...
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