Toyota Venza: How To Proceed With Troubleshooting

Toyota Venza Service Manual / U660e Automatic Transmission / Transaxle / Automatic Transaxle System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

The TCM of this system is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there is no trouble in the CAN and multiplex communication system.
*: Use the Techstream.

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

2.	CUSTOMER PROBLEM ANALYSIS

3.	INSPECT BATTERY VOLTAGE

Standard Voltage:

11 to 14 V

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

4.	CONNECT TECHSTREAM TO DLC3*

5.	CHECK AND CLEAR DTCS AND FREEZE FRAME DATA*

(a) Refer to DTC Check / Clear (See page ).

6.	VISUAL INSPECTION

7.	SELECT CHECK MODE DIAGNOSIS*

(a) Refer to Check Mode Procedure (See page
).

8.	PROBLEM SYMPTOM CONFIRMATION

(a) Refer to Road Test (See page ).

Result	Proceed to
Symptom does not occur	A
Symptom occurs	B

GO TO STEP 10

9.	SYMPTOM SIMULATION

(a) Refer to Symptom Simulation (See page
).

10.	DTC CHECK*

(a) Refer to DTC Check / Clear (See page ).

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

GO TO STEP 18

11.	BASIC INSPECTION

(a) Refer to Park/Neutral Position Switch (See page ).

(b) Refer to Shift Lever Assembly (See page
).

GO TO STEP 21

12.	MECHANICAL SYSTEM TESTS

(a) Refer to Mechanical System Tests (See page ).

GO TO STEP 17

13.	HYDRAULIC TEST

(a) Refer to Hydraulic Test (See page ).

GO TO STEP 17

14.	MANUAL SHIFTING TEST

(a) Refer to Manual Shifting Test (See page
).

GO TO STEP 16

15.	PROBLEM SYMPTOMS TABLE CHAPTER 1

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

GO TO STEP 19

16.	PROBLEM SYMPTOMS TABLE CHAPTER 2

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

17.	COMPONENT INSPECTION

GO TO STEP 21

18.

DTC CHART

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

19.	CIRCUIT INSPECTION

20.	IDENTIFICATION OF PROBLEM

21.	REPAIR OR REPLACE

22.	CONFIRMATION TEST

END

System Diagram

SYSTEM DIAGRAM The configuration of the electronic control system in the U660E automatic transaxle is as shown in the following chart. ...

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