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:
Center Airbag Sensor Assembly Communication
Circuit Malfunction
DTC B1790 Center Airbag Sensor Assembly Communication
Circuit Malfunction
DESCRIPTION
The center airbag sensor assembly communication circuit consists of the
occupant classification ECU and
the center airbag sensor assembly.
DTC B1790 is recorded when a malfunction is detected in the center ...
Removal
1. REMOVE ENGINE ASSEMBLY WITH TRANSAXLE
HINT:
(See page EM-34)
2. REMOVE TRANSVERSE ENGINE ENGINE MOUNTING INSULATOR
(a) Remove the 3 nuts and transverse engine engine
mounting insulator.
3. REMOVE FRONT SUSPENSION ARM SUBASSEMBLY LOWER NO.1 LH
(a) Remove the 2 bolts on the front sid ...
Parts location
HOW TO PROCEED WITH
TROUBLESHOOTING
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
(a) Confirm problem symptoms.
3 CHECK AND CLEAR DTCS
4 PROBLEM SYMPTOM CONFIRMATION
5 SYMPTOM SIMULATION
6 DTC CHECK (OTHER THAN MULTIPLEX DTC)
7 DTC CHART
8 PROBLEM SYMP ...
