Toyota Sienna Service Manual: Ambient temperature sensor
ON-VEHICLE INSPECTION
1. INSPECT A/C AMBIENT TEMPERATURE SENSOR
(a) Remove the A/C ambient temperature sensor.
(b) Disconnect the connector from A/C ambient temperature sensor.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance 
NOTICE:
- Even slightly touching the sensor may change the resistance value. Be sure to hold the connector of the sensor.
- When measuring, the sensor temperature must be the same as the ambient temperature.
HINT: As the temperature increases, the resistance decreases (see the graph).
If the resistance is not as specified, replace the A/C ambient temperature sensor.
Room temperature sensor (for rear air conditioning system)
ON-VEHICLE INSPECTION
1. INSPECT REAR A/C ROOM TEMPERATURE SENSOR
(a) Remove the rear A/C room temperature sensor.
(b) Disconnect the connector from the rear A/C room
temperature sensor.
...
Evaporator temperature sensor
ON-VEHICLE INSPECTION
1. INSPECT A/C EVAPORATOR TEMPERATURE SENSOR
(a) Remove the A/C evaporator temperature sensor (A/
C thermistor).
(b) Disconnect the connector from the A/C evaporator
t ...
Other materials:
Short to GND in Rear Curtain Shield Squib LH
Circuit
DTC B1637/85 Short to GND in Rear Curtain Shield Squib LH
Circuit
DESCRIPTION
The rear curtain shield squib LH circuit consists of the center airbag sensor
assembly and the curtain
shield airbag assembly LH.
The circuit instructs the SRS to deploy when deployment conditions are met.
DTC ...
Slide door half open stopper control assembly
INSPECTION
1. INSPECT SLIDE DOOR HALF OPEN STOPPER CONTROL ASSEMBLY
Inspect the resistance of the switch.
Resistance
If the result is not as specified, replace the control
sub-assembly. ...
Trouble in Passenger Airbag ON / OFF Indicator
DESCRIPTION
The occupant classification system detects the front passenger seat
condition. It then informs a
passenger of the front passenger airbag, the front seat side airbag RH and front
seat belt pretensioner
RH condition (activated/not activated) by the passenger airbag ON/OFF indicator. ...