Toyota Sienna Service Manual: Precaution
1. HANDLING PRECAUTION FOR CRUISE CONTROL
SYSTEM
- Turn the cruise control main switch off when not
using the cruise control system.
- Be careful as the vehicle speed increases when
driving downhill with the cruise control system on.
- The + (ACCEL)/RES (RESUME) operation changes
according to the cruise control system status. When
the cruise control system is operating, the +
(ACCEL) function operates. When the cruise control
system is not operating, the RES (RESUME)
function operates.
- If the CRUISE main indicator light blinks while the
cruise control system is operating, turn the cruise
control main switch off to reset the cruise control
system. After the reset, if the cruise control main
switch cannot be turned on, or the cruise control
system is canceled immediately after turning the
cruise control main switch on, the system may have
a malfunction.
- Do not use the cruise control system where the road
conditions are as follows:
- Heavy traffic
- Steep decline
- Roads with sharp turns
- Icy or snowy roads
- Slippery roads
PARTS LOCATION

SYSTEM DIAGRAM

Communication Table:


1. CRUISE CONTROL SYSTEM
This system is controlled by the ECM, and is activated by
the throttle position sensor and motor. The ECM controls
the following functions: ON-OFF, - (COAST)/SET, +
(ACCEL ...
Other materials:
Сamshaft timing oil control valve assembly
COMPONENTS
ON-VEHICLE INSPECTION
1. INSPECT CAMSHAFT TIMING CONTROL VALVE ASSEMBLY
(a) Connect the intelligent tester to the DLC3.
(b) Turn the ignition switch to the ON position.
(c) Start the engine and warm it up.
(d) Select the intelligent tester from the ACTIVE TEST
...
How to proceed with
troubleshooting
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
Interview the customer and confirm the trouble.
Confirm the problem by duplicating the conditions
described by the customer
3 BASIC INSPECTION
Basic inspection.
Measure the battery voltage.
Standard voltage:
11 ...
Problem symptoms table
ENTIRE SYSTEM
METER GAUGES
WARNING LIGHTS
INDICATOR LIGHTS
BUZZER
ACCESSORY METER ASSEMBLY
...