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:
Removal
HINT:
On the RH side, use the same procedures as on the LH side.
1. REMOVE REAR NO. 1 SEAT ASSEMBLY LH
HINT:
Captain seat type:
Center seat type:
2. REMOVE REAR DOOR WEATHERSTRIP LH
3. REMOVE ROPE HOOK ASSEMBLY
4. REMOVE BACK DOOR SCUFF PLATE
5. REMOVE ROOF HEADLINING GA ...
Standard bolt
HOW TO DETERMINE BOLT STRENGTH
SPECIFIED TORQUE FOR STANDARD BOLTS
HOW TO DETERMINE NUT STRENGTH
HINT:
*: Nut with 1 or more marks on one side surface of the nut.
Use a nut with the same nut strength classification number
(or greater) as the bolt strength classification number ...
Monitor drive pattern
1. MONITOR DRIVE PATTERN FOR ECT TEST
(a) Perform this drive pattern as one method to
simulate the detection conditions of the ECT
malfunctions. (The DTCs may not be detected due
the actual driving conditions. And some codes may
not be detected through this drive pattern.)
HINT:
Preparation f ...
