Toyota Venza: 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 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.
Smart Key System|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Entry answer-back buzzer does not sound |
Wireless door lock control system |
|
|
Certification ECU (smart key ECU assembly) |
- |
|
|
All door entry lock/unlock functions and wireless functions do not operate |
Power door lock control system |
|
|
Key |
- |
|
|
Key battery |
- |
|
|
Fuse (EFI NO. 1, ECU-B) |
- |
|
|
Wire harness or connector |
- |
|
|
Door control receiver assembly |
- |
|
|
Certification ECU (Smart key ECU assembly) |
- |
|
|
All door entry lock/unlock functions do not operate, but wireless functions operate |
Key |
|
|
Certification ECU (Smart key ECU assembly) |
- |
|
|
Driver side door entry unlock function does not operate |
Power door lock control system |
|
|
Front door outside handle assembly (for driver side) |
- |
|
|
Certification ECU (Smart key ECU assembly) |
- |
|
|
Wire harness or connector |
- |
|
|
Front passenger side door entry unlock function does not operate |
Power door lock control system |
|
|
Front door outside handle assembly (for front passenger side) |
- |
|
|
Certification ECU (Smart key ECU assembly) |
- |
|
|
Wire harness or connector |
- |
|
|
Driver side door entry lock and unlock functions do not operate |
Power door lock control system |
|
|
Front door outside handle assembly (for driver side) |
- |
|
|
Certification ECU (Smart key ECU assembly) |
- |
|
|
Wire harness or connector |
- |
|
|
Front passenger side door entry lock and unlock functions do not operate |
Power door lock control system |
|
|
Front door outside handle assembly (for front passenger side) |
- |
|
|
Certification ECU (Smart key ECU assembly) |
- |
|
|
Wire harness or connector |
- |
|
|
Driver side door entry lock function does not operate |
Power door lock control system |
|
|
Front door outside handle assembly (for driver side) |
- |
|
|
Certification ECU (Smart key ECU assembly) |
- |
|
|
Wire harness or connector |
- |
|
|
Front passenger side door entry lock function does not operate |
Power door lock control system |
|
|
Front door outside handle assembly (for front passenger side) |
- |
|
|
Certification ECU (Smart key ECU assembly) |
- |
|
|
Wire harness or connector |
- |
|
|
Room oscillator does not recognize key |
Indoor electrical key oscillator (for front floor) |
|
|
Indoor electrical key oscillator (for center floor) |
- |
|
|
Indoor electrical key oscillator (for rear floor) |
- |
|
|
Certification ECU (Smart key ECU assembly) |
- |
|
|
Wire harness or connector |
- |
|
|
Entry interior alarm does not sound |
Meter / gauge system |
|
|
Certification ECU (Smart key ECU assembly) |
- |
|
|
Back door entry unlock function does not operate |
Power door lock control system |
|
|
Back door opener switch assembly |
- |
|
|
Certification ECU (Smart key ECU assembly) |
- |
|
|
Wire harness or connector |
- |
|
|
Back door entry lock and unlock functions do not operate |
Power door lock control system |
|
|
Outside electrical key oscillator (for rear side) |
- |
|
|
Certification ECU (Smart key ECU assembly) |
- |
|
|
Back door opener switch assembly |
- |
|
|
Wire harness or connector |
- |
|
|
Back door entry lock function does not operate |
Power door lock control system |
|
|
Back door opener switch assembly |
- |
|
|
Certification ECU (Smart key ECU assembly) |
- |
|
|
Wire harness or connector |
- |
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Customize Parameters
CUSTOMIZE PARAMETERS
1. CUSTOMIZING FUNCTION WITH TECHSTREAM
HINT:
The items in the table below can be customized.
NOTICE:
When the customer requests a change in a function, first make su ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) The certification ECU (smart key ECU assembly) control the vehicle smart
key system functions. Smart key system data and Diagnostic Trouble Codes (DTCs)
can b ...
Other materials about Toyota Venza:
Cold Start Idle Air Control System Performance (P050A)
MONITOR DESCRIPTION
This monitor will run when the engine is started at an engine coolant temperature
of -10 to 50°C (14 to 122°F). The DTC is stored after the engine idles for 13
seconds (2 trip detection logic).
The DTC is designed to monitor the idl ...
Parking Brake Switch Circuit
DESCRIPTION
This circuit is from the parking brake switch assembly to the radio and display
receiver assembly.
WIRING DIAGRAM
PROCEDURE
1.
CHECK BRAKE WARNING LIGHT
(a) Check that the brake warning light comes on when t ...
TRAC OFF Indicator Light does not Come ON
DESCRIPTION
The skid control ECU is connected to the combination meter via CAN communication.
WIRING DIAGRAM
Refer to TRAC OFF Indicator Light Remains ON (See page
).
PROCEDURE
1.
CHECK CAN COMMUNICATION SYSTEM
(a) Check ...
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