Toyota Venza: Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) The transponder key ECU assembly controls the vehicle's immobiliser system functions. Immobiliser system data and Diagnostic Trouble Code (DTC) can be read through the vehicle's Data Link Connector 3 (DLC3).
In some cases, a malfunction may be occurring in the immobiliser system even though the security indicator light is not illuminated.
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 lis ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK TRANSPONDER KEY AMPLIFIER
(a) Disconnect the D21 transponder key amplifier connector.
(b) Measure the resistance according to the value(s) in the table below.
HINT:
Me ...
Other materials about Toyota Venza:
Precaution
PRECAUTION
1. NOTICE FOR INITIALIZATION:
NOTICE:
When disconnecting the cable from the negative (-) battery terminal, initialize
the following systems after the cable is reconnected.
System Name
See Procedure
Back D ...
Certification ECU Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
Certification ECU Communication Stop Mode
"Smart Access/Smart Key/Wireless Tuner" is not displayed on
"CAN Bus Check&q ...
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
HINT:
If a DTC is displayed during the DTC check, check the parts listed in
the table below and proceed to the "See page" given.
If multiple suspected areas are listed, the potential causes of the
s ...
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