Toyota Sienna Service Manual: Vehicle stability control system
Parts location
- System description
- How to proceed with troubleshooting
- Calibration
- Test mode procedure
- Terminals of ecu
- Dtc check / clear
- Freeze frame data
- Data list / active test
- Diagnostic trouble code chart
- Problem symptoms table
TS and CG Terminal Circuit
DESCRIPTION
The Test Mode (signal check) circuit detects trouble in the sensor or switch
signal, which cannot be
detected by the DTC check.
Connecting terminals TS and CG of the DLC3 starts the ...
System description
1. SYSTEM DESCRIPTION
(a) ABS
(Anti-lock Brake System)
The ABS helps prevent wheels from locking when
the brake is applied firmly or when braking on a
slippery surface.
(b) EBD
(Electronic Brak ...
Other materials:
Stuck in Deceleration Sensor
DESCRIPTION
The yaw rate sensor and deceleration sensor signal is sent to the skid
control ECU through the CAN
communication system. When there is a malfunction in the communication, it will
be detected by the
diagnosis function.
WIRING DIAGRAM
INSPECTION PROCEDURE
HINT:
When ...
Voice Recognition Difficulty
INSPECTION PROCEDURE
1 CHECK CONDITION
Check if the system's voice recognition level is low by
using only one particular voice.
OK:
System's voice recognition level is low with any
voice.
2 CHECK MAP DISC
Check that the map disc is not deformed or cracked.
OK:
No deformation ...
Reassembly
1. INSTALL UNDERDRIVE CLUTCH DRUM O-RING
(a) Coat a new O-ring with ATF, and install it to the
underdrive clutch drum.
NOTICE:
Make sure that the O-ring is not twisted or
pinched.
2. INSTALL UNDERDRIVE CLUTCH PISTON SET
(a) Coat the underdrive clutch piston with ATF, and
install it t ...