Toyota Sienna Service Manual: On-vehicle inspection
1. CHECK SEAT HEATER CONTROL (WIRE HARNESS SIDE)
- Disconnect the connector from the seat heater control.
- Measure the voltage and resistance of each terminal of the wire harness side connector.
Standard
If the result is not as specified, there may be a malfunction on the wire harness side or the seat heater switch
Problem symptoms table
HINT:
Use the table below to help determine the cause of the
problem symptom. The potential causes of the symptoms are
listed in order of probability in the "Suspected Area" column
of th ...
Inspection
1. INSPECT SEAT HEATER SWITCH LH
Measure the resistance of the seat heater switch
when the switch is operated.
Resistance
If the result is not as specified, replace the switch.
...
Other materials:
Registration
1. DESCRIPTION OF CODE REGISTRATION
HINT:
The key has 2 codes: The key code (immobiliser code)
and the wireless code. Both of these codes need to be
registered. Refer to page for the wireless code
registration procedures.
When adding master keys or sub keys (Additional
registration) ...
Inspection
1. INSPECT VENTILATION VALVE
(a) Install a clean hose to the ventilation valve.
(b) Check the ventilation valve operation.
(1) Blow air into the cylinder head side, and check
that air passes through easily.
NOTICE:
Do not suck air through the valve.
Petroleum substances i ...
Pressing Power Switch does not Turn on System
INSPECTION PROCEDURE
1 CHECK VEHICLE CONDITION
Check that conditions in the cabin are not likely to cause
condensation.
HINT:
This problem occurs when the cabin is humid and the
temperature changes rapidly. This may produce
condensation, resulting in a short circuit.
OK:
Condensation ...
