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:
Installation
1. INSTALL FRONT BUMPER ASSEMBLY
Push the front bumper onto the front of the vehicle
and engage the claws on the left and right sides of
the front bumper to install it as shown in the
illustration.
HINT:
Apply protective tape to the bottom part of the
front fender to prevent i ...
Park / Neutral Position Switch Circuit
DESCRIPTION
The clearance warning ECU receives the reverse or park position signal from
the park / neutral position
switch.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT CLEARANCE WARNING ECU
Disconnect the C9 connector from the clearance warning
ECU.
Measure the voltage ...
Open in Rear Curtain Shield Squib LH Circuit
DTC B1636/88 Open in Rear Curtain Shield Squib LH Circuit
DESCRIPTION
The rear curtain shield squib LH circuit consists of the center airbag sensor
assembly and the curtain
shield airbag assembly LH.
The circuit instructs the SRS to deploy when deployment conditions are met.
DTC B1636/88 ...
