Toyota Sienna Service Manual: Terminals of ecu
1. A/C AMPLIFIER
HINT: Check from the rear of the connector while it is connected to the A/C amplifier.
(a) Waveform 1:
(b) Waveform 2: 
Problem symptoms table
Use the table below to find the cause of the problem. The
numbers indicate the priority of the likely cause of the
problem. Check each part in order. If necessary, replace
these parts.
Front A/C:
...
Refrigerant
On-vehicle inspection
1. INSPECT REFRIGERANT PRESSURE WITH MANIFOLD GAUGE SET
(a) This method uses a manifold gauge set to locate
problem areas. Read the manifold gauge pressure
when these conditi ...
Other materials:
Operation flow
HINT:
Perform troubleshooting in accordance with the
procedures below. The following is an outline of basic
troubleshooting procedures. Confirm the troubleshooting
procedures for the circuit you are working on before
beginning troubleshooting.
VEHICLE BROUGHT TO WORKSHOP
CUSTOMER PR ...
Removal
CAUTION:
Wear safety gloves, because the sharp surfaces of the
seatback frame and seat adjuster may injure your
hand.
Work must be started more than 90 seconds after the
ignition switch is turned to the LOCK position and the
negative (-) terminal cable is disconnected from ...
Display does not Dim when Light Control Switch is Turned ON
INSPECTION PROCEDURE
1 CHECK IMAGE QUALITY SETTING
Enter the display adjustment screen by pressing the
"DISPLAY" switch.
Turn the light control switch to the TAIL position.
Check if "DAY MODE" on the display adjustment is ON.
OK:
"DAY MODE" ...
