Toyota Venza: How To Proceed With Troubleshooting

Toyota Venza Service Manual / Brake Control / Dynamic Control Systems / Vehicle Stability Control System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

*: Use the Techstream.

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

2.	CUSTOMER PROBLEM ANALYSIS

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

HINT:

Interview the customer to confirm the following:

History of brake fluid replacement.
Whether the engine was stopped intentionally when driving.
Whether the brake and accelerator pedals were depressed simultaneously.

3.	CHECK DTC AND FREEZE FRAME DATA*

(a) Check and record DTCs and Freeze Frame Data.

(b) Clear the DTCs and Freeze Frame Data (See page for DTC Check/Clear, or See page
for Freeze Frame Data).

(1) Reconfirm the DTCs based on the recorded DTCs and Freeze Frame Data (See page for DTC Check/Clear, and See page
for Freeze Frame Data).

HINT:

When DTCs indicating CAN communication system malfunctions are output, repair the CAN communication system before repairing each corresponding sensor (See page ).

If any of the DTCs U0100/65, U0123/62, U0124/95 and U0126/63 is output together with a CAN communication DTC, first check the appropriate sensor for a momentary open circuit (See page
).

Result	Proceed to
DTC is output	A
DTC is not output (Problem symptom does not occur)	B
DTC is not output (Problem symptom occurs)	C

GO TO STEP 5

GO TO STEP 6

4.	DIAGNOSTIC TROUBLE CODE CHART

(a) Proceed to Diagnostic Trouble Code Chart (See page ).

GO TO STEP 7

5.	SYMPTOM SIMULATION

(a) Proceed to How to Proceed with Troubleshooting (See page ).

GO TO STEP 6

6.	PROBLEM SYMPTOMS TABLE

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

7.	CIRCUIT INSPECTION*

8.	IDENTIFICATION OF PROBLEM

9.	REPAIR OR REPLACEMENT

10.	CONFIRMATION TEST*

END

System Diagram

SYSTEM DIAGRAM Transmitting ECU (Transmitter) Receiving ECU Signal Communication Method Skid control ECU Steering angle sen ...

Calibration

CALIBRATION 1. DESCRIPTION (a) Follow the chart below to perform calibration. Parts to be Replaced Necessary Operation Brake actuator assembly (Skid control E ...

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