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

System Description

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 ...

Road Test

ROAD TEST 1. PROBLEM SYMPTOM CONFIRMATION (a) Inspect the SET function. Text in Illustration *1 ON/OFF *2 - SET (1) Turn the cruise con ...

Other materials about Toyota Venza:

Reassembly
REASSEMBLY CAUTION / NOTICE / HINT HINT: Perform "Inspection After Repair" after replacing the piston or piston ring (See page ). PROCEDURE 1. INSTALL STUD BOLT NOTICE: If a stud bolt is deformed or the threads are damaged, replace it. (a) ...

Random Access Memory (RAM) (P0604)
MONITOR DESCRIPTION The ECM continuously monitors its internal memory status. This self-check ensures that the ECM is functioning properly. It is diagnosed by internal "mirroring" of the main CPU and sub CPU to detect Random Access Memory (RAM) ...

Removal
REMOVAL PROCEDURE 1. REMOVE TAIL EXHAUST PIPE ASSEMBLY (for 1AR-FE) 2. REMOVE TAIL EXHAUST PIPE ASSEMBLY (for 2GR-FE) 3. REMOVE CENTER EXHAUST PIPE ASSEMBLY (for 1AR-FE) 4. REMOVE CENTER EXHAUST PIPE ASSEMBLY (for 2GR-FE) 5. REMOVE PROPELLER ...