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:
ACIS Control Circuit
DESCRIPTION
This circuit opens and closes the Intake Air Control Valve (IACV) in response
to changes in the engine
load in order to increase the intake efficiency (ACIS: Acoustic Control
Induction System).
When the engine speed is between 0 and 4450 rpm and the throttle valve opening
angl ...
Front passenger side power
window switch
Inspection
1. INSPECT POWER WINDOW REGULATOR SWITCH ASSEMBLY
Check the resistance between the switch terminals
when the switch is operated.
Standard
If the result is not as specified, replace the switch
assembly. ...
Back door courtesy switch
INSPECTION
1. BACK DOOR LOCK ASSEMBLY (WITH OUT POWER BACK DOOR)
Inspect back door courtesy light switch operation.
Check that there is resistance between the
terminal 5 and the terminal 6 when the back
door is open and closed.
Resistance:
Back door is open:
10 k& ...
