Toyota Venza: How To Proceed With Troubleshooting

Toyota Venza Service Manual / Lighting (ext) / Lighting System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

Use the following procedure to troubleshoot the lighting system.
*: Use the Techstream.

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

2.	CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK

3.	INSPECT 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.	INSPECT CAN COMMUNICATION SYSTEM*

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

Result	Proceed to
CAN communication system DTC is not output.	A
CAN communication system DTC is output.	B

GO TO CAN COMMUNICATION SYSTEM

5.	CHECK FOR DTC*

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

GO TO STEP 8

6.	PROBLEM SYMPTOMS TABLE

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) Data List / Active Test (See page )

(b) Terminals of ECU (See page )

8.	ADJUST, REPAIR OR REPLACE

9.	CONFIRMATION TEST

END

System Diagram

SYSTEM DIAGRAM 1. AUTOMATIC LIGHT CONTROL SYSTEM 2. LIGHT AUTO TURN-OFF SYSTEM Communication Table Transmitter Receiver Line Data Name ...

Operation Check

OPERATION CHECK 1. AUTOMATIC LIGHT CONTROL SYSTEM OPERATION CHECK (a) Turn the ignition switch to ON. (b) Turn the light control switch to the AUTO position. (c) Cover the automatic light control ...

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