Toyota Sienna Service Manual: Check for short circuit
(a) If the wire harness is ground shorted (Fig. 5), locate the section by conducting a resistance check with the body ground (below).
(b) Check the resistance with the body ground.
(1) Disconnect connectors A and C and measure the resistance.
Standard resistance (Fig. 6)
HINT:
Measure the resistance while lightly shaking the wire harness vertically and horizontally. If your results match the examples above, an open circuit exists between terminal 1 of connector A and terminal 1 of connector C.
(2) Disconnect connector B and measure the resistance.
Standard resistance (Fig. 7)
If the results match the examples above, a short circuit exists between terminal 1 of connector B2 and terminal 1 of connector C.
Check for open circuit
(a) For an open circuit in the wire harness in Fig. 1, the resistance or
voltage, as described below.
(b) Check the resistance.
Check the resistance
Standard resistance (Fig. 2)
...
Check and replace ecu
NOTICE: • The connector should not be disconnected from
the ECU. Perform the inspection from the
backside of the connector on the wire harness
side.
• When no measuring condition is s ...
Other materials:
Display check mode
HINT:
This mode checks the color display on the display.
Illustrations may differ from the actual vehicle depending
on the device settings and options. Therefore, some
detailed areas may not be shown exactly the same as on
the actual vehicle.
1. ENTER DIAGNOSTIC MODE
2. D ...
Settings display
The settings of the following items can be changed, refer to
Language
Select to change the language on the display.
Units
Select to change the unit for measure of the fuel consumption and
outside temperature.
Eco Driving Indicator Light
Select to activate/deactivate the Eco Driving ...
Replying to a message
Display the message inbox screen.
Select the desired message from the list.
Select “Quick Message”.
Select the desired message.
Select “Send”.
If an error message is displayed, follow the guidance on the screen to try
again.
Editing quick reply message
Select “Quick ...