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:
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE TRANSMISSION WIRE
2. REMOVE ATF TEMPERATURE SENSOR ASSEMBLY
(a) Remove the 4 bolts, ATF temperature sensor assembly and clamp from
the valve body assembly.
Text in Illustration
*1
...
Removal
REMOVAL
PROCEDURE
1. REMOVE FRONT SEAT HEADREST ASSEMBLY
2. REMOVE FRONT SEAT REAR OUTER TRACK COVER
3. REMOVE FRONT SEAT REAR INNER TRACK COVER
4. REMOVE FRONT SEAT ASSEMBLY
5. REMOVE SLIDE AND VERTICAL POWER SEAT SWITCH KNOB
6. REMOVE RECL ...
Fuel Pump Control Circuit
DESCRIPTION
1. w/o Smart Key System
When the engine is cranked, the starter relay drive signal output from the ignition
switch is input into the STA terminal of the ECM, and the NE signal generated by
the crankshaft position sensor is also input into the ...
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