Toyota Venza: Problem Symptoms Table

Toyota Venza Service Manual / Networking / Lin Communication System / 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.

LIN Communication System

Symptom	Suspected Area	See page
A/C LIN Line Communication Malfunction	LIN communication line
	A/C control assembly
	A/C amplifier assembly
Lighting LIN Line Communication Malfunction	LIN communication error

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the LIN communication system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROU ...

Terminals Of Ecu

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

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Starting the engine
Shift the shift lever to “P” and apply the brakes. Touch the Toyota emblem side of the electronic key to the “ENGINE START STOP” switch. An alarm will sound to indicate that the start function cannot detect the electronic key that is touched ...

Lost Communication with Power Source Control (B278C)
DESCRIPTION This DTC is stored when LIN communication between the certification ECU (smart key ECU assembly) and power management control ECU stops for more than 10 seconds. DTC Code DTC Detection Condition Trouble Area ...

Installation
INSTALLATION PROCEDURE 1. INSTALL FRONT NO. 1 STABILIZER BAR BUSHING (a) Install the 2 front No. 1 stabilizer bar bushings to the front stabilizer bar as shown in the illustration. Text in Illustration *1 ...