Toyota Venza: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
- 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 of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Power Back Door cannot be Operated Using Any Switch |
Back door closer system |
|
|
Initialize power back door ECU (Power back door motor unit) |
- |
|
|
Meter/gauge system |
- |
|
|
Main body ECU (Driver side junction block assembly) |
- |
|
|
Touch sensor circuit |
- |
|
|
Power back door main switch circuit |
- |
|
|
Power back door ECU (Power back door motor unit) |
- |
|
|
Wire harness or connector |
- |
|
|
Power Back Door cannot be Opened or Closed Using the Power Back Door Switch |
Power back door control switch |
|
|
Power back door ECU (Power back door motor unit) |
- |
|
|
Main body ECU (Driver side junction block assembly) |
- |
|
|
Wire harness or connector |
- |
|
|
Power Back Door cannot be Closed Using the Power Back Door Closer Switch |
Power back door closer switch |
|
|
Power back door ECU (Power back door motor unit) |
- |
|
|
Wire harness or connector |
- |
|
|
Jam Protection Function Activates During Power Back Door Operation |
Fitting condition of back door |
|
|
Touch sensor circuit |
- |
|
|
Power back door ECU (Power back door motor unit) |
- |
|
|
Wire harness or connector |
- |
|
|
Power Back Door Warning System does not Operate |
Power back door warning buzzer |
|
|
Hazard warning light circuit |
- |
|
|
Power back door ECU (Power back door motor unit) |
- |
|
|
Wire harness or connector |
- |
|
|
Only Wireless Control Function is Inoperative (w/ Smart Key System) |
Proceed to: All Door Entry Lock/Unlock Functions and Wireless Functions do not Operate. |
|
|
Only Wireless Control Function is Inoperative (w/o Smart Key System) |
Proceed to: Only Wireless Control Function is Inoperative |
|
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Initialization
INITIALIZATION
1. RESET BACK DOOR CLOSE POSITION
NOTICE:
Perform initialization of the power back door system (power back door ECU initialization)
if one of the following is performed:
Th ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) The power back door ECU (power back door motor unit) controls the power back
door system functions. Power back door system data and Diagnostic Trouble Code (DTC ...
Other materials about Toyota Venza:
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the intuitive parking assist
system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT ...
Precaution
PRECAUTION
1. PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable from the negative (-) battery terminal, initialize
the following system after the cable is reconnected.
System Name
...
IG2 Signal Malfunction (B2788)
DESCRIPTION
The steering lock ECU (steering lock actuator assembly) receives power from the
IG2 relay. When the voltage value indicated by the IG signal from the certification
ECU (smart key ECU assembly) equals to the voltage that is applied to the steer ...
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