Toyota Venza manuals

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.
  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Front Power Seat Control System (w/ Memory)

Symptom

Suspected Area

See page

Front Power Seat does not Operate with Front Power Seat Switch

Position control ECU and switch assembly


Wire harness or connector

-

One or more Power Seat Motors do not Operate

Separate type front seat cushion assembly


Position control ECU and switch assembly

-

Wire harness or connector

-

Power Seat Position is not Memorized

Position control ECU and switch assembly


Outer mirror control ECU assembly LH

-

Main body ECU (driver side junction block assembly)

-

Seat memory switch

-

Wire harness or connector

-

Power Seat does not Return to Memorized Position

SFI system (for 1AR-FE)


SFI system (for 2GR-FE)

-

Lighting system (int)

-

Position control ECU and switch assembly

-

Main body ECU (driver side junction block assembly)

-

Outer mirror control ECU assembly LH

-

Wireless Transmitter Memory Function does not Operate

Power door lock control system


Lighting system (int)

-

Smart key system (for start function)*

-

Position control ECU and switch assembly

-

Main body ECU (driver side junction block assembly)

-

Certification ECU (smart key ECU assembly)*

-

Wireless-linked Return Function does not Operate

Wireless door lock control system (w/ smart key system)


Wireless door lock control system (w/o smart key system)

-

Lighting system (int)

-

Smart key system (for entry function)*

-

Main body ECU (driver side junction block assembly)

-

Position control ECU and switch assembly

-

Certification ECU (smart key ECU assembly)*

-

Power Seat Power Easy Access System Function does not Operate

Position control ECU and switch assembly


Main body ECU (driver side junction block assembly)

-

Front seat inner belt assembly LH

-

Wire harness or connector

-

Only Lumbar Support Adjustment Function does not Operate

Front lumbar power seat switch


Lumbar support adjuster assembly


Wire harness or connector

-

  • *: w/ Smart Key System
Customize Parameters
CUSTOMIZE PARAMETERS 1. CUSTOMIZING FUNCTION WITH TECHSTREAM (REFERENCE) HINT: When the customer requests a change in a function, first make sure that the function can be customized. ...

Diagnosis System
DIAGNOSIS SYSTEM 1. DESCRIPTION (a) Front power seat control system (w/ Memory) data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3) of the vehicle. When ...

Other materials about Toyota Venza:

Weight limits
• The gross trailer weight must never exceed TWR described in the table. • The gross combination weight must never exceed the GCWR described in the table. • The gross vehicle weight must never exceed the GVWR indicated on the Certification Label. ...

On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. CHECK FOR FUEL PUMP OPERATION AND INSPECT FOR FUEL LEAK (a) Check fuel pump operation. (1) Connect the Techstream to the DLC3. (2) Turn the ignition switch to ON and turn the Techstream on. NOTICE: Do not start the eng ...

Check CAN Bus Line for Short to +B
DESCRIPTION There may be a short circuit between the CAN bus main wire and +B when no resistance exists between terminals 6 (CANH) and 16 (BAT) or 14 (CANL) and 16 (BAT) of the DLC3. Symptom Trouble Area No resistan ...

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