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:
ECU Power Source Circuit
DESCRIPTION
This circuit provides power for main body ECU (driver side junction block assembly)
operation.
WIRING DIAGRAM
PROCEDURE
1.
CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY (MAIN BODY ECU (POWER SOURCE))
...
All Door Entry Lock/Unlock Functions do not Operate, but Wireless Functions
Operate
DESCRIPTION
When the wireless door lock and unlock functions operate, the communication circuit
between the door lock receiver assembly and certification ECU (smart key ECU assembly)
is normal. When the entry lock and unlock functions do not operate, radi ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT CHARCOAL CANISTER ASSEMBLY
(a) Visually check the charcoal canister assembly.
(1) Visually check the charcoal canister assembly for cracks or damage.
If cracks or damage are found, replace the charcoal canister ...
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