Toyota Venza: How To Proceed With Troubleshooting

Toyota Venza Service Manual / Seat / Front Power Seat Control System(w/ Memory) / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

Use the following procedure to troubleshoot the front power seat control system (w/ Memory).
*: Use the Techstream.

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

2.	CUSTOMER PROBLEM ANALYSIS

(a) Interview the customer to confirm the trouble (See page ).

3.	INSPECT BATTERY VOLTAGE

(a) Measure the vehicle battery voltage.

Standard Voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.

4.	CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

(a) Use the Techstream to check if the CAN communication system is functioning normally (See page ).

Result	Proceed to
CAN DTC is not output	A
CAN DTC is output	B

GO TO CAN COMMUNICATION SYSTEM

5.	CHECK FOR DTC*

(a) Check for DTCs and note any codes that are output (See page ).

(b) Clear the DTCs.

Result	Proceed to
DTC is not output	A
DTC is output	B

GO TO DIAGNOSTIC TROUBLE CODE CHART

6.	PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table (See page ).

Result	Proceed to
Fault is not listed in problem symptoms table	A
Fault is listed in problem symptoms table	B

GO TO STEP 8

7.	OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Operation Check (See page )

(b) Data List / Active Test (See page )

8.	REPAIR OR REPLACE

9.	CONFIRMATION TEST

END

System Diagram

SYSTEM DIAGRAM Communication Table Sender Receiver Signal Line ECM Main Body ECU (Driver Side Junction Block Assembly) ...

Operation Check

OPERATION CHECK 1. CHECK POWER SEAT FUNCTION (a) Check the basic functions. Text in Illustration *1 Slide Function *2 Front Vertical Function ...

Other materials about Toyota Venza:

How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Use the following procedures to troubleshoot the tire pressure warning system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT ...

Differential System
Precaution PRECAUTION Before disassembly, clean the outside of the differential assembly and remove any sand or mud to prevent it from entering the inside of the assembly during disassembly and installation. When removing an installed pa ...

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK POWER BACK DOOR ECU (POWER BACK DOOR MOTOR UNIT) (w/ POWER BACK DOOR SYSTEM) (a) Disconnect the L20 power back door ECU connector. (b) Measure the voltage and resistance according to the value(s) in the table below. ...