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:
USB Device Malfunction (B1585)
DESCRIPTION
This DTC is stored when a malfunction occurs in a connected device.
DTC No.
DTC Detection Condition
Trouble Area
B1585
When any of the following conditions is met:
A non m ...
Door Control Switch
Components
COMPONENTS
ILLUSTRATION
Inspection
INSPECTION
PROCEDURE
1. INSPECT DOOR CONTROL SWITCH ASSEMBLY
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Conn ...
Lost Communication with Gateway Module (MS Bus) (U1002)
DESCRIPTION
The main body ECU will store this DTC when no signals can be received
from the ECUs that have been memorized as those that are connected to the
CAN MS bus.
When the main body ECU receives a response signal from the ECUs connecte ...
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