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:
Inspection
1. Inspect heated oxygen sensor (for bank 1
sensor 2)
(a) Measure the resistance of the sensor.
Standard resistance
If the resistance is not as specified, replace the
sensor.
2. HEATED OXYGEN SENSOR (for Bank 2 Sensor 2)
(a) Measure the resistance of the sensor.
Standard resistance ...
Data list / active test
HINT:
By accessing the DATA LIST displayed by the intelligent
tester, you can perform such functions as reading the values
of switches and sensors without removing any parts. Reading
the DATA LIST as the first step in troubleshooting is one
method to shorten labor time.
1. DATA LIST FOR OCCUPA ...
Disassembly
1. INSPECT UNDERDRIVE PACK CLEARANCE
HINT:
(See page AX-262)
2. REMOVE UNDERDRIVE CLUTCH FLANGE NO.2 HOLE
SNAP RING
a) Using a screwdriver, remove the underdrive clutch
flange No.2 snap ring.
3. REMOVE UNDERDRIVE CLUTCH DISC NO.1
(a) Remove the flange, 4 discs and 4 plates from the
...
