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:
Diagnosis system
1. CHECK DLC3
The vehicle's ECU uses ISO 15765-4 for
communication protocol. The terminal arrangement
of the DLC3 complies with SAE J1962 and matches
the ISO 15765-4 format.
NOTICE:
*: Before measuring the resistance, leave the
vehicle as is for at least 1 minute and do not
...
Installation
1. INSTALL NO. 1 REAR DIFFERENTIAL SUPPORT
(a) Install the No. 1 rear differential support to the rear
differential carrier assembly with the 2 bolts and 2
nuts.
Torque: 85 N*m (867 kgf*cm, 63 ft.*lbf)
HINT:
Hold the bolt and tighten the nut.
2. INSTALL REAR DIFFERENTIAL DYNAMIC DAMPER
...
Warning light and indicator light bulb check
(a) Check the warning lights.
(1) Release parking brake pedal.
(2) When the ignition switch is turned to the ON
position, check that the ABS warning light,
BRAKE warning light, VSC warning light, TRAC
OFF indicator light (2WD) and SLIP indicator
light stay on for approx. 3 seconds.
HI ...