Toyota Sienna Service Manual: For rear air conditioning system)
ON-VEHICLE INSPECTION
1. INSPECT COOLING UNIT MOTOR SUB-ASSEMBLY WITH FAN
(a) Connect the positive (+) lead from the battery to terminal 1 and negative (-) to terminal 2, then check that the motor operates smoothly.
If operation is not as specified, replace the rear blower motor.
Blower motor
On-vehicle inspection
1. INSPECT BLOWER WITH FAN MOTOR SUBASSEMBLY
(a) Connect the positive (+) lead from the battery to
terminal 2 and negative (-) to terminal 1, then check
that the motor op ...
For manual air conditioning system
ON-VEHICLE INSPECTION
1. INSPECT BLOWER RESISTOR (for Manual Air Conditioning System)
(a) Measure resistance between terminals, as shown in
the table.
If resistance is not as specified, replac ...
Other materials:
Fuel sender gauge
assembly
INSPECTION
1. INSPECT FUEL SENDER GAUGE ASSEMBLY
Disconnect the connector from the fuel sender
gauge.
Check that the float moves smoothly between F and
E.
Measure the resistance between terminals 1 and 2
of the connector according to the value(s) in the
table b ...
Diagnosis system
1. CHECK BATTERY VOLTAGE
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge the battery before
proceeding.
2. CHECK DLC3
(a) The ECU uses the ISO 15765-4 for communication
protocol. The terminal arrangement of the DLC3
complies with SAE J1962 and matches the ISO
15765-4 f ...
Front door lock
INSPECTION
1. INSPECT FRONT DOOR W/ MOTOR LOCK ASSEMBLY LH
Apply battery voltage to the door lock and check
operation of the motor.
OK
HINT:
If the result is not as specified, replace the door lock
assembly.
Measure the resistance according to the value(s) in
the table ...
