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 WINDSHIELD GLASS NO.2 STOPPER
Coat the installation part of the stoppers with Primer
G.
NOTICE:
Allow the primer coating to dry for 3 minutes
or more.
Do not keep any of the opened Primer G for
later use.
Do not apply too much Primer .
...
Transmission Range Sensor Circuit Malfunction
(PRNDL Input)
DESCRIPTION
The park/neutral position switch detects the shift lever position and sends
signals to the ECM.
MONITOR DESCRIPTION
These DTCs indicate a problem with the park/neutral position switch and the
wire harness in the park/
neutral position switch circuit.
The park/neutral po ...
No Signal from Transmitter ID1
DESCRIPTION
The tire pressure warning valve and transmitters that are installed in the
tire and wheel assemblies
measure the air pressure of the tires. The measured values are transmitted to
the tire pressure warning
antenna and receiver on the body as radio waves and then sent to the tir ...
