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:
System description
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:
Adjustment
HINT:
If the malfunction does not disappear by following the
procedure in ADJUSTMENT and the rear No. 2 seat
assembly needs to be replaced, do not disassemble the rear
No. 2 seat assembly.
1. ADJUST FRONT LEG
HINT:
Perform the following procedure if the inner leg does not
lock.
P ...
Insufficient Coolant Temperature for Closed
Loop Fuel Control
DTC P0125 Insufficient Coolant Temperature for Closed
Loop Fuel Control
DESCRIPTION
Refer to DTC P0115
DTC No.
DTC Detection Condition
Trouble Area
P0125
Engine coolant temperature (ECT) does not reach
closed-loop enabling temperature for 20 minutes (t ...
Distance Control ECU Malfunction
DTC P1617 Distance Control ECU Malfunction
DESCRIPTION
In the dynamic laser cruise control system, the ECM and the distance control
ECU communicate with one
another to control the system based on some designation information. If the
designation information of the
ECM and distance control ECU ...
