Toyota Sienna Service Manual: Readiness monitor drive pattern
- Purpose of readiness tests
- Catalyst monitor (active air-fuel ratio control type)
- Evap monitor (key-off type)
- A/F sensor and ho2s monitors
- Air-fuel ratio (a/f) and heated oxygen (ho2) sensor heater monitors (front a/f and rear ho2 sensor type)
Monitor result information
If you use a generic scan tool, multiply the test value by
the scaling value listed below.
...
Purpose of readiness tests
The On-Board Diagnostic (OBD II) system is
designed to monitor the performance of emissionrelated
components, and indicate any detected
abnormalities with DTCs (Diagnostic Trouble Codes).
...
Other materials:
Diagnostic trouble code chart
COMMUNICATION DIAGNOSIS:
DVD PLAYER:
CD PLAYER
IN-DASH CD CHANGER
...
Power Slide Door LH does not Operate When Using Inside / Outside
Handle
DESCRIPTION
The inside / outside handles have the ability to control operation
of the power slide door. Pulling either
handle transmits a request signal to the power slide door ECU LH, which then
commands the power
slide door control motor and clutch to open / close the power sli ...
Communication Error from ECM to Distance
Control ECU
DTC P1616 Communication Error from ECM to Distance
Control ECU
DTC U0100 Lost Communication with ECM/PCM "A"
DESCRIPTION
The ECM receives signals from each sensor and ECU, then sends signals such as
A/T signals, cruise
control operation signals, low speed operation signals, brake co ...
