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:
Back Door Closer Switch Malfunction (B2251)
DESCRIPTION
The power back door ECU (power back door motor unit)*1 or back door closer ECU
(multiplex network door ECU)*2 receives signals from the latch switch, sector switch
and back door courtesy switch, which are built into the back door lock. Based o ...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE TRANSFER AND TRANSAXLE SETTING STUD BOLT
(a) Remove the 4 transfer and transaxle setting stud bolts.
2. REMOVE NO. 2 TRANSFER CASE PLUG
(a) Remove the No. ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK TIRE PRESSURE WARNING ECU
HINT:
Inspect the connectors from the back side while the connectors are connected.
(a) Disconnect the L14 tire pressure warning antenna and receiver connector.
(b) Measure the voltage according to the ...
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