Toyota Venza: Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) The certification ECU (smart key ECU assembly) control the vehicle smart key system functions. Smart key system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). In some cases, a malfunction may be occurring in the smart key system. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs.
2. CHECK DLC3
(a) Check the DLC3 (See page .gif)
).
3. INSPECT BATTERY VOLTAGE
(a) Measure the battery voltage.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery.
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 listed in order
...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
(a) Disconnect the D25 certification ECU (smart key ECU assembly) connector.
(b) Measure the voltage and resistance according ...
Other materials about Toyota Venza:
Inspection
INSPECTION
PROCEDURE
1. INSPECT FUEL PUMP ASSEMBLY WITH FILTER
(a) Inspect fuel pump resistance.
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
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Evaporator Temperature Sensor Circuit (B1413/13)
DESCRIPTION
The evaporator temperature sensor is installed on the evaporator in the air conditioning
unit to detect the cooled air temperature that has passed through the evaporator
and to control the air conditioning. It sends appropriate signals to the ...
Emission Control System
Parts Location
PARTS LOCATION
ILLUSTRATION
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT FUEL CUT-OFF RPM
(a) Increase the engine speed to at least 3500 rpm.
(b) Use a sound scope to check for injector operating soun ...
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