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:
Disassembly
1. REMOVE NO. 1ULTRASONIC SENSOR RETAINER
(w/ Clearance Sonar System) (See page PM-19)
2. REMOVE NO. 1 ULTRASONIC SENSOR (w/
Clearance Sonar System) (See page PM-19)
3. REMOVE REAR BUMPER ENERGY ABSORBER
4. REMOVE REAR BUMPER BAR PLATE
Remove the 4 clips and the rear bumper bar plate.
5. ...
Installation
1. INSTALL FRONT DOOR GLASS WEATHERSTRIP
Install the front door grass weatherstrip.
2. INSTALL OUTER REAR VIEW MIRROR ASSEMBLY
(See page MI-45)
3. INSTALL FRONT DOOR TRIM BOARD SUBASSEMBLY
4. INSTALL POWER WINDOW REGULATOR MASTER
SWITCH ASSEMBLY
5. INSTALL BACK FRAME PLATE
6. INSTALL FR ...
Reassembly
1. INSTALL REAR WHEEL CYLINDER CUP KIT
(a) Temporarily tighten the bleeder plug to the wheel
cylinder, and install the bleeder plug cap.
(b) Apply lithium soap base glycol grease to the 2 new
wheel cylinder cups and the 2 pistons.
(c) Install the 2 wheel cylinder cups to each piston.
...