Toyota Venza: How To Proceed With Troubleshooting

Toyota Venza Service Manual / Cruise Control / Cruise Control System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

Use the following procedure to troubleshoot the cruise control system.
*: Use the Techstream.

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

2.	INSPECT BATTERY VOLTAGE

Standard Voltage:

11 to 14 V

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

3.	CHECK COMMUNICATION FUNCTION OF CONTROLLER AREA NETWORK (CAN)*

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

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

GO TO CAN COMMUNICATION SYSTEM (DTC CHART)

4.	CHECK FOR DTCs*

Refer to DTC Check / Clear (See page ).

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

(b) Clear the DTCs.

Result	Proceed to
DTC does not reoccur	A
DTC reoccurs	B

GO TO DTC CHART

5.	PROBLEM SYMPTOMS TABLE

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 7

6.	OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Terminals of ECM (See page ).

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

7.	ADJUST, REPAIR OR REPLACE

8.	CONFIRMATION TEST

END

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SYSTEM DESCRIPTION 1. CRUISE CONTROL SYSTEM This system is controlled by the ECM, and is activated by the throttle position sensor and motor. The ECM controls the following functions: ON-OFF, - SE ...

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