Toyota Sienna Service Manual: Power Source Circuit
DESCRIPTION
This is the power source circuit for the outer mirror control ECU.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT OUTER MIRROR CONTROL ECU (POWER SOURCE)
- Disconnect the O9 or O11 ECU connector.
- Measure the voltage and resistance according to the value(s) in the table below.
Outer mirror control ECU LH: Voltage
Resistance
Outer mirror control ECU RH: Voltage
Resistance
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
Memory Switch Circuit
DESCRIPTION
When the seat memory switch M1 or M2 is pressed, the position control ECU &
switch (Seat ECU)
transmits a signal of the memorized mirror position to the outer mirror control
ECU. ...
Power mirror control system (w/o Memory)
PARTS LOCATION
Problem symptoms table
POWER MIRROR CONTROL SYSTEM
Symptom
Suspected area
Mirror does not operate
Outer mirror switch assembly
Outer r ...
Other materials:
On-vehicle inspection
1. CHECK SEAT HEATER CONTROL (WIRE HARNESS
SIDE)
Disconnect the connector from the seat heater
control.
Measure the voltage and resistance of each
terminal of the wire harness side connector.
Standard
If the result is not as specified, there may be a
malfunction on ...
Air Inlet Damper Position Sensor Circuit
DESCRIPTION
This sensor detects the position of the air inlet control servo motor and
sends the appropriate signals to
the A/C amplifier. The position sensor is built in the air inlet control servo
motor.
The position sensor's resistance changes as the air inlet control servo motor
ar ...
Disassembly
1. REMOVE CENTER CLUSTER MODULE KNOB NO.1 (for Manual Air Conditioning
System)
(a) Remove the center cluster module knob No. 1.
2. REMOVE CENTER CLUSTER MODULE KNOB NO.2 (for Manual Air Conditioning
System)
(a) Release the 2 claws fittings and remove the center
cluster module knob No ...
