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:
Compressor Solenoid Circuit (B1451/51)
DESCRIPTION
In this circuit, the A/C compressor receives a refrigerant compression demand
signal from the A/C amplifier.
Based on this signal, the A/C compressor changes the amount of compressor output.
DTC No.
DTC Detection Conditio ...
Reassembly
REASSEMBLY
CAUTION / NOTICE / HINT
HINT:
Use high-temperature grease to lubricate the bearings, gears and return spring
when assembling the starter.
PROCEDURE
1. INSTALL PLANETARY GEAR
(a) Apply grease to the planetary gears and pin parts of ...
Power Back Door Warning System does not Operate
DESCRIPTION
When the power back door warning system does not operate, one of the following
may be malfunctioning: 1) power back door warning buzzer circuit, 2) wireless door
lock control system or 3) power back door ECU.
WIRING DIAGRAM
CAUTION / NOTIC ...
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