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:
Door LOCK Position Circuit
DESCRIPTION
This circuit detects the state of the door lock detection sensor and send it
to the Multiplex network body
ECU.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 READ VALUE OF INTELLIGENT TESTER
Connect the intelligent tester to DLC3.
Turn the ignition switch ON and push the i ...
Installation
1. INSTALL FRONT PASSENGER AIRBAG ASSEMBLY
Install the front passenger airbag assembly with the
2 screws.
2. INSTALL INSTRUMENT PANEL SUB-ASSEMBLY
3. CONNECT FRONT PASSENGER AIRBAG ASSEMBLY CONNECTOR
Connect the connector to the front passenger airbag
assembly.
...
Security Horn Circuit
DESCRIPTION
During the alarm sounding state, the relay in the ECU turns on and off in a
cycle of approximately 0.2
seconds, causing the security horn to sound.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT SECURITY HORN ASSEMBLY
Disconnect the T1 security horn connector.
C ...
