Toyota Sienna Service Manual: Freeze frame data
1. FREEZE FRAME DATA
(a) Whenever a DTC is detected or the ABS operates, the skid control ECU stores the current vehicle (sensor) state as freeze frame data.
The skid control ECU stores the number of times (maximum: 31) the ignition switch has been turned from OFF to the ON position since the last time the ABS was activated.
HINT:
- Freeze frame data at the time the ABS operates:
The skid control ECU stores and updates data
whenever the ABS system operates.
When the ECU stores data at the time a DTC is detected, the data stored during ABS operation is erased.
(b) Connect the intelligent tester to the DLC3.
(c) Turn the ignition switch to the ON position.
(d) On the tester display, select the FREEZE FRAME DATA.
Dtc check / clear
1. DTC CHECK/CLEAR (WHEN USING SST CHECK WIRE):
(a) DTC check
(1) Using SST, connect terminals TC and CG of the
DLC3.
SST 09843-18040
(2) Turn the ignition switch to the ON position.
(3) R ...
Data list / active test
1. DATA LIST
(a) While the intelligent tester is connected to the DLC3
with the ignition switch in the ON position, the ABS
data list can be displayed. Follow the prompts on
the tester screen to a ...
Other materials:
Blower Motor Circuit
DESCRIPTION
The blower motor is operated by signals from the A/C amplifier. Blower motor
speed signals are
transmitted by changes in the Duty Ratio.
Duty Ratio
The duty ratio is the ratio of the period of continuity in one cycle. For
example, if A is the period of
continuity in one cycl ...
Camshaft Position "B" Actuator Circuit
DESCRIPTION
The Variable Valve Timing (VVT) system includes the ECM, OCV and VVT
controller. The ECM sends a
target duty-cycle control signal to the OCV. This control signal regulates the
oil pressure supplied to the
VVT controller. Camshaft timing control is performed according to engine ...
Voice Guidance does not Function
INSPECTION PROCEDURE
1 CHECK NAVIGATION SYSTEM SETTING
Enter the "Menu" screen by pressing the "MENU" switch.
Select "Volume".
Check that "OFF" is not selected.
OK:
"OFF" is not selected
2 CHECK NAVIGATION SETTING
...
