Toyota Sienna Service Manual: Road test
1. PROBLEM SYMPTOM CONFIRMATION
- Inspect the SET function.
- Turn the cruise control main switch on.
- Drive at the required speed between 40 km/h (25 mph) and 200 km/h (125 mph).
- Push the cruise control main switch to - (COAST)/SET.
- After releasing the switch, check that the vehicle cruises at the set speed.
- Inspect the + (ACCEL) function.
- Turn the cruise control main switch on.
- Drive at the required speed between 40 km/h (25 mph) and 200 km/h (125 mph).
- Push the cruise control main switch to - (COAST)/SET.
- Check that vehicle speed increases while the cruise control main switch is pushed to + (ACCEL)/RES (RESUME), and that the vehicle cruises at the newly set speed when the switch is released.
- Push the cruise control main switch to + (ACCEL)/RES (RESUME) and then release it immediately. Check that vehicle speed increases by approximately 1.6 km/h (1.0 mph) (tap-up control).
- Inspect the - (COAST) function.
- Turn the cruise control main switch on.
- Drive at the required speed between 40 km/h (25 mph) and 200 km/h (125 mph).
- Push the cruise control main switch to - (COAST)/SET.
- Check that vehicle speed decreases while the cruise control main switch is pushed to - (COAST)/SET, and that the vehicle cruises at the newly set speed when the switch is released.
- Push the cruise control main switch to -
(COAST)/SET, and then release it immediately.
Check that vehicle speed decreases by approximately 1.6 km/h (1.0 mph) (tap-down control).
- Inspect the CANCEL function.
- Turn the cruise control main switch on.
- Drive at the required speed between 40 km/h (25 mph) and 200 km/h (125 mph).
- Push the cruise control main switch to - (COAST)/SET.
- When performing any one of the following, check that the cruise control system is canceled and that the normal driving mode is reset.
- Depressing the brake pedal
- Moving the shift lever from the D or 4 to the N, 3, 2 or L position
- Turning the cruise control main switch off
- Pulling the cruise control main switch to CANCEL
- Inspect the RES (RESUME) function.
- Turn the cruise control main switch on.
- Drive at the required speed between 40 km/h (25 mph) and 200 km/h (125 mph).
- Push the cruise control main switch to - (COAST)/SET.
- Cancel the cruise control system by performing any of the above operations (other than turning the main switch off).
- After pushing the cruise control main switch to + (ACCEL)/RES (RESUME) at a driving speed of more than 40 km/h (25 mph), check that the vehicle resumes the speed set prior to the cancellation.
How to proceed with
troubleshooting
HINT:
Use the following procedures to troubleshoot the cruise
control system.
*: Use the intelligent tester.
1 VEHICLE BROUGHT TO WORKSHOP
2 PROBLEM SYMPTOM CONFIRMATION
3 CHE ...
Problem symptoms table
HINT:
Use the table below to help determine the cause of the
problem symptom. The likely causes of the problem are
indicated in descending order. Check each suspected area
in order. Re ...
Other materials:
Console box
Press the tab.
Type A
Type B
Sliding the console box (type B)
From front
Press the tab and slide the console box.
From rear
Pull up the lever and slide the console
box.
Console box light
The console box light turns on when the headlight switch is on.
...
Problem symptoms table
POWER SLIDE DOOR SYSTEM
Symptom
Suspected Area
Power slide door LH does not operate when switch* is
pressed (* switch indicates satellite switch for power
slide door LH and power slide door control switch LH)
ECU-B fuse
Power slide door main switch ...
Lost Communication with Cruise Control Front
Distance Range Sensor
DTC U0235 Lost Communication with Cruise Control Front
Distance Range Sensor
DESCRIPTION
The laser sensor and distance control ECU transmit the data for general
vehicle control and diagnosis
function along the communication line. The laser sensor transmits information
about the vehicle in fr ...