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:
Disassembly
1. REMOVE CONTROL KNOB SUB-ASSEMBLY (for Manual Air Conditioning System)
(a) Remove the control knob sub-assembly.
2. REMOVE AIR CONDITIONING CONTROL BULB
(a) Remove the air conditioning control bulb.
Reassembly
1. INSTALL AIR CONDITIONING CONTROL BULB
2. INSTALL CONTROL KNOB SUB-ASSEM ...
Brake Switch
DESCRIPTION
The stop light switch is a duplex system that transmits two signals: STP and
ST1-. These two signals are
used by the ECM to monitor whether or not the brake system is working properly.
If the signals, which
indicate the brake pedal is being depressed or released, are detected ...
Vehicle Speed Sensor Malfunction
DTC P0500 Vehicle Speed Sensor Malfunction
DTC P0503 Vehicle Speed Sensor "A" Intermittent / Erratic /
High
DESCRIPTION
The cruise control system uses the same vehicle speed signal that is sent to the
ECM for the SFI system.
If DTC P0500 is detected, perform the diagnosis using th ...
