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:
Rear Left Center Sensor Malfunction (C1AE7)
DESCRIPTION
The No. 1 ultrasonic sensor (rear left center sensor) is installed on the rear
bumper. The ECU detects obstacles based on signals received from the No. 1 ultrasonic
sensor (rear left center sensor). If the No. 1 ultrasonic sensor (rear left ce ...
Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL FRONT DIFFERENTIAL CASE REAR TAPERED ROLLER BEARING
(a) Using SST and a press, install a new front differential case rear
tapered roller bearing (inner race) to the front differential case.
SST: 09726-36010
...
Transmission Fluid Pressure Sensor / Switch "E" Circuit Low (P0989,P0990)
DESCRIPTION
ATF pressure switch No. 3 is installed in the lock-up solenoid ATF output passage
and is used to detect a malfunction in the lock-up solenoid.
DTC No.
DTC Detection Condition
Trouble Area
P0989
...
0.152