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:
Rear evaporator temperature sensor circuit
DESCRIPTION
The rear evaporator temperature sensor is installed on the rear evaporator.
It detects the rear evaporator
temperature. The sensor sends a signal to the A/C amplifier. The resistance of
the rear evaporator
temperature sensor changes in accordance with the rear evaporator temperatu ...
Driving assist systems
To help enhance driving safety and performance, the following
systems operate automatically in response to various driving
situations. Be aware, however, that these systems are supplementary
and should not be relied upon too heavily when operating
the vehicle.
ABS (Anti-lock Brake System)
Help ...
Disassembly
1. REMOVE REAR DIFFERENTIAL CARRIER COVER
(a) Remove the 8 bolts from the carrier cover.
(b) Using a brass bar and a hammer, separate the
carrier cover from rear differential carrier assembly.
(c) Remove the breather plug from the rear differential
carrier cover.
(d) Remove the bol ...