Toyota Sienna Service Manual: Magnetic clutch relay
ON-VEHICLE INSPECTION
1. INSPECT MAGNETIC CLUTCH RELAY
(a) Remove the magnetic clutch relay.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance 
If the resistance is not as specified, replace the magnetic clutch relay.
Air conditioning pressure sensor
ON-VEHICLE INSPECTION
1. INSPECT A/C PRESSURE SENSOR
(a) Install the manifold gauge set.
(b) Disconnect the connector from the A/C pressure
sensor.
(c) Connect the three 1.5 V dry cell ba ...
Heater relay
ON-VEHICLE INSPECTION
1. INSPECT HEATER RELAY
(a) Remove the heater relay.
(b) Measure the resistance according to the value(s) in
the table below.
Standard resistance
If the resistance i ...
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Suspension
SST
RECOMMENDED TOOLS
EQUIPMENT
TIRE AND WHEEL
RECOMMENDED TOOLS
EQUIPMENT
...
Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance
Problem
HINT:
This DTC relates to the Throttle Position (TP) sensor.
DESCRIPTION
Refer to DTC P0120 (See page ES-145).
MONITOR DESCRIPTION
The ECM uses the TP sensor to monitor the throttle valve opening angle.
This sensor transmits two signals: VTA1 and VTA2. VTA1 is used to detect the
th ...
