Toyota Sienna Service Manual: Diagnostic trouble code chart
If a trouble code is displayed during the DTCs check (sensor check), check the circuit listed for the code in the table below (Proceed to the page given for that circuit).
AIR CONDITIONING SYSTEM
HINT:
- *1: If the cabin temperature is approximately -18.6°C (- 3.7°F) or lower, DTC B1411/11 may be output even though the system is normal.
- *2: If the check is being performed in a dark place, DTC B1421/21 or B1424/24 (solar sensor circuit abnormal) could be displayed.
- *3: Short in the circuit.
- *4: Open in the circuit.
Data list / active test
1. DATA LIST
HINT:
Using the intelligent tester to read the Data List allows
the values or states of switches, sensors, actuators and
other items to be read without removing any parts. This
non-i ...
Actuator check
1. ACTUATOR CHECK
(a) After entering the DTC check mode (Sensor Check
Mode), press the R/F switch.
(b) As each damper, motor and relay automatically
operate actuator check at 1-second interval ...
Other materials:
Front Clearance Sonar Sensor LH Circuit
DESCRIPTION
An ultrasonic sensor consists of a sensor portion that transmits and receives
ultrasonic waves and a preamplifier
that amplifies them. The ultrasonic sensor outputs the ultrasonic waves and
sends the received
signals to the clearance warning ECU.
WIRING DIAGRAM
INSPECTION PROC ...
Emission inspection and
maintenance (I/M)
programs
Some states have vehicle emission inspection programs which
include OBD (On Board Diagnostics) checks. The OBD system
monitors the operation of the emission control system.
If the malfunction indicator lamp comes on
The OBD system determines that a problem exists somewhere in the
emission contr ...
Clock setting
Display the “General Settings” screen.
Operations up to this point can also be performed by select the clock
display
at the top of most screens.
Select the items to be set.
Manual clock setting
Set minutes to 00
The 24-hour time format can
be to on/off.
Select ...
