Toyota Venza: Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
The ECU stores trouble codes when trouble occurs on the vehicle.
The diagnostic system allows for reading of the trouble codes from the DLC3.
Use the Techstream to check and solve 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 main body ECU (driver side junction block assembly) connectors.
(b) Measure the resistance and vol ...
Other materials about Toyota Venza:
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
When troubleshooting OBD II (On-Board Diagnostics) vehicles, an OBD
II scan tool (complying with SAE J1987) must be connected to the DLC3 (Data
Link Connector 3) of the vehicle. Various data in the vehicle ECM ( ...
Sensor (Motor) Failure (B2341,B2344)
DESCRIPTION
When the sliding roof ECU (sliding roof drive gear sub-assembly) detects a motor
malfunction and the sliding roof operation is stopped, DTC B2341 is output.
When the sliding roof ECU (sliding roof drive gear sub-assembly) detects a gear
malfu ...
Speed Signal Circuit
DESCRIPTION
The headlight leveling ECU assembly receives the vehicle speed signal from the
combination meter assembly.
HINT:
A voltage of 12 V or 5 V is output from each ECU and then input to the
combination meter. The signal is changed to a p ...
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