Toyota Venza: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
The cruise control main switch cannot be turned on |
Cruise control switch circuit |
|
|
CRUISE main indicator light circuit |
|
|
|
CAN communication line |
|
|
|
ECM (for 1AR-FE) |
|
|
|
ECM (for 2GR-FE) |
|
|
|
Vehicle speed setting cannot be performed (the CRUISE main indicator light on the combination meter illuminates when the main switch is turned on, but turns off when SET function is operating) |
Cruise control switch circuit |
|
|
ECM (for 1AR-FE) |
|
|
|
ECM (for 2GR-FE) |
|
|
|
Vehicle speed setting cannot be performed (the CRUISE main indicator light on the combination meter illuminates when the main switch is turned on, and remains illuminated when SET function is operating) |
Stop light switch circuit |
|
|
Vehicle speed sensor circuit |
|
|
|
Cruise control switch circuit |
|
|
|
Automatic transaxle system (for U760E) |
|
|
|
Automatic transaxle system (for U760F) |
|
|
|
Automatic transaxle system (for U660E) |
|
|
|
Automatic transaxle system (for U660F) |
|
|
|
ECM (for 1AR-FE) |
|
|
|
ECM (for 2GR-FE) |
|
|
|
The cruise control is canceled while it is operating |
Stop light switch circuit |
|
|
Automatic transaxle system (for U760E) |
|
|
|
Automatic transaxle system (for U760F) |
|
|
|
Automatic transaxle system (for U660E) |
|
|
|
Automatic transaxle system (for U660F) |
|
|
|
Cruise control switch circuit |
|
|
|
Vehicle speed sensor circuit |
|
|
|
Park/neutral position switch circuit (for U760E) |
|
|
|
Park/neutral position switch circuit (for U760F) |
|
|
|
Park/neutral position switch circuit (for U660E) |
|
|
|
Park/neutral position switch circuit (for U660F) |
|
|
|
ECM (for 1AR-FE) |
|
|
|
ECM (for 2GR-FE) |
|
|
|
Pulling back on the cruise control main switch does not cancel the cruise control (The CRUISE main indicator light remains on) |
Cruise control switch circuit |
|
|
ECM (for 1AR-FE) |
|
|
|
ECM (for 2GR-FE) |
|
|
|
Pulling back on the cruise control main switch does not cancel the cruise control (The CRUISE main indicator light goes off) |
ECM (for 1AR-FE) |
|
|
ECM (for 2GR-FE) |
|
|
|
The cruise control is not canceled when vehicle speed drops below the low speed limit (The CRUISE main indicator light remains on) |
Vehicle speed sensor circuit |
|
|
ECM (for 1AR-FE) |
|
|
|
ECM (for 2GR-FE) |
|
|
|
The cruise control is not canceled when vehicle speed drops below the low speed limit (The CRUISE main indicator light goes off) |
ECM (for 1AR-FE) |
|
|
ECM (for 2GR-FE) |
|
|
|
Depressing the brake pedal does not cancel the cruise control (The CRUISE main indicator light remains on) |
Stop light switch circuit |
|
|
ECM (for 1AR-FE) |
|
|
|
ECM (for 2GR-FE) |
|
|
|
Depressing the brake pedal does not cancel the cruise control (The CRUISE main indicator light goes off) |
ECM (for 1AR-FE) |
|
|
ECM (for 2GR-FE) |
|
|
|
Moving the shift lever does not cancel the cruise control |
Automatic transaxle system (for U760E) |
|
|
Automatic transaxle system (for U760F) |
|
|
|
Automatic transaxle system (for U660E) |
|
|
|
Automatic transaxle system (for U660F) |
|
|
|
ECM (for 1AR-FE) |
|
|
|
ECM (for 2GR-FE) |
|
|
|
Hunting (Speed is not constant) |
Vehicle speed sensor circuit |
|
|
SFI SYSTEM (for 1AR-FE) |
|
|
|
SFI SYSTEM (for 2GR-FE) |
|
|
|
ECM (for 1AR-FE) |
|
|
|
ECM (for 2GR-FE) |
|
|
|
The CRUISE main indicator light remains blinking |
TC and CG terminal circuit |
|
|
ECM (for 1AR-FE) |
|
|
|
ECM (for 2GR-FE) |
|
|
|
The SET indicator light does not illuminate (SET function operates normally) |
CRUISE SET indicator light circuit |
|
|
ECM (for 1AR-FE) |
|
|
|
ECM (for 2GR-FE) |
|
.gif)
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 ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
The ECM controls the cruise control system of the vehicle. The data and DTCs
relating to the cruise control system can be read from the DLC3 of the vehicle.
If ei ...
Other materials about Toyota Venza:
Installation
INSTALLATION
PROCEDURE
1. INSTALL BRAKE ACTUATOR ASSEMBLY
(a) Install the brake actuator assembly to the brake actuator bracket
assembly with the 2 nuts.
Torque:
8.0 N·m {82 kgf·cm, 71 in·lbf}
NOTICE:
Do not remov ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
...
System Diagram
SYSTEM DIAGRAM
Communication Table
Transmitting ECU (Transmitter)
Receiving ECU (Receiver)
Signal
Line
Certification ECU
(Smart key ECU assembly)
Main body ECU
(Driver side junc ...
0.1477