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.

Illuminated Entry System

Symptom

Suspected Area

See page

Only roof console box assembly does not illuminate.

Bulb

-

Harness or connector

-

Only step or spot light assembly does not illuminate.

Bulb

-

Harness or connector

-

Only transponder key amplifier does not illuminate. (w/o Smart Key System)

Transponder key amplifier


Harness or connector

-

Only engine switch illumination does not illuminate. (w/ Smart Key System)

Engine switch illumination circuit


Certification ECU (Smart key ECU assembly)


Illuminated entry system does not operate normally.

DOME fuse

-

Door courtesy switch circuit


Door unlock detection switch circuit


IG signal circuit


ACC signal circuit


Interior light circuit


Engine switch illumination circuit


Main body ECU (Driver side junction block assembly)


Vanity Light

Symptom

Suspected Area

See page

Vanity light does not illuminate.

Bulb

-

Harness or connector

-

Glove Box Light

Symptom

Suspected Area

See page

Glove box light does not illuminate.

Glove box light assembly


Harness or connector

-

Front Door Courtesy Light

Symptom

Suspected Area

See page

Front door courtesy light does not illuminate.

Bulb

-

Courtesy light assembly


Front door courtesy light switch


Harness or connector

-

Battery Saving Control

Symptom

Suspected Area

See page

Battery saving function does not operate.

Door courtesy light switch circuit


Door unlock detection switch circuit


IG signal circuit


ACC signal circuit


Interior light auto cut circuit


Main body ECU (Driver side junction block assembly)


Interior Light Power Source Control

Symptom

Suspected Area

See page

All the interior lights that receive power via the dome cut relay do not illuminate. (The DOME fuse is normal.)

Interior light power source circuit


Main body ECU (Driver side junction block assembly)


All the interior lights that receive power via the dome cut relay do not illuminate. (Although the DOME fuse is replaced, the fuse breaks again.)

Roof console box assembly


Courtesy light assembly


No. 2 room light assembly


Harness or connector (Including all light components that are part of the wire harness)

-

Luggage Compartment Light

Symptom

Suspected Area

See page

Luggage compartment light does not illuminate.

Bulb

-

No. 2 room light assembly


Back door courtesy switch


Harness or connector

-

Operation Check
OPERATION CHECK 1. INSPECT ILLUMINATED ENTRY SYSTEM OPERATION NOTICE: Perform this inspection with the customize parameters at the initial setting. HINT: The interior light control illuminates th ...

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY) (a) Disconnect the 2A and 2F main body ECU (driver side junction block assembly) connectors. (b) Measure the voltag ...

Other materials about Toyota Venza:

Steering Lock Position Signal Circuit Malfunction (B2285)
DESCRIPTION This DTC is stored when serial communication signals and LIN communication signals in the circuit between the power management control ECU and steering lock actuator assembly (steering lock ECU) are inconsistent. DTC No. ...

Fuel Pump Control Circuit
DESCRIPTION 1. w/o Smart Key System When the engine is cranked, the starter relay drive signal output from the ignition switch is input into the STA terminal of the ECM, and the NE signal generated by the crankshaft position sensor is also input into the ...

Theft Deterrent System Presence Detection (B279C)
DESCRIPTION If an ECM that is incompatible with the engine immobiliser system is installed, the ECM stores this DTC. DTC No. DTC Detection Condition Trouble Area B279C When an ECM that is incompa ...

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