Toyota Venza manuals

Toyota Venza: How To Proceed With Troubleshooting

Toyota Venza Service Manual / 1ar-fe Engine Control / Sfi System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

*: Use the Techstream.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP


NEXT

2.

CUSTOMER PROBLEM ANALYSIS


NEXT

3.

CONNECT TECHSTREAM TO DLC3*

HINT:

If the display indicates a communication fault with the Techstream, inspect the DLC3. When any CAN communication system DTCs are output, perform troubleshooting on the CAN communication system first.


NEXT

4.

CHECK DTC AND FREEZE FRAME DATA*

HINT:

Record or print DTCs and freeze frame data, if necessary.


NEXT

5.

CLEAR DTC AND FREEZE FRAME DATA*


NEXT

6.

CONDUCT VISUAL INSPECTION


NEXT

7.

SELECT CHECK MODE DIAGNOSIS*

HINT:

Refer to Check Mode Procedure (See page ).



NEXT

8.

CONFIRM PROBLEM SYMPTOMS

HINT:

  • Refer to Problem Symptoms Table (See page ).

  • If the engine does not start, first perform the "Check For DTC" procedure and "Conduct Basic Inspection" procedure below.

Result

Proceed to

Malfunction does not occur

A

Malfunction occurs

B


B

GO TO STEP 10


A

9.

SIMULATE SYMPTOMS

HINT:

Refer to Problem Symptoms Table (See page
).


NEXT

10.

CHECK DTC*

HINT:

Refer to DTC Check / Clear (See page ).


Result

Proceed to

Trouble code

A

No code

B


B

GO TO STEP 12


A

11.

REFER TO DTC CHART

HINT:

Refer to Diagnostic Trouble Code Chart (See page ).



NEXT

12.

CONDUCT BASIC INSPECTION

Result

Proceed to

Malfunctioning parts not confirmed

A

Malfunctioning parts confirmed

B


B

GO TO STEP 17


A

13.

REFER TO PROBLEM SYMPTOMS TABLE

HINT:

Refer to Problem Symptoms Table (See page
).

Result

Proceed to

Malfunctioning circuit confirmed

A

Malfunctioning parts confirmed

B


B

GO TO STEP 17


A

14.

CHECK ECM POWER SOURCE CIRCUIT

HINT:

Refer to ECM Power Source Circuit (See page
).


NEXT

15.

CONDUCT CIRCUIT INSPECTION

Result

Proceed to

Malfunction not confirmed

A

Malfunction confirmed

B


B

GO TO STEP 18


A

16.

CHECK FOR INTERMITTENT PROBLEMS


NEXT

17.

CONDUCT PARTS INSPECTION


NEXT

18.

IDENTIFY PROBLEM


NEXT

19.

ADJUST AND/OR REPAIR


NEXT

20.

CONDUCT CONFIRMATION TEST


NEXT

END

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