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:
Power Window can be Operated After Ignition Switch is Turned OFF
Even if Operative Conditions are not Met
DESCRIPTION
The multiplex network body ECU controls power supplied to the power window
master switch and each
regulator switch continuously for 45 seconds after the ignition switch is turned
OFF unless the front doors
have been opened, so that the power window can be operated during this peri ...
Emergency flashers
The emergency flashers are used to warn other drivers when the
vehicle has to be stopped in the road due to a breakdown, etc.
Press the switch.
All the turn signal lights will flash.
To turn them off, press the switch
once again.
Emergency flashers
If the emergency flashers are used f ...
Write vin
(a) The VIN writing process is shown in the flowchart
below. This process allows the VIN to be input into
the ECM. If the ECM is changed, or the ECM VIN
and Vehicle VIN do not match, the VIN can be
registered, or overwritten in the ECM by following
this procedure.
(b) Write VIN using the int ...
