Toyota Sienna Service Manual: How to proceed with troubleshooting
HINT: Troubleshoot in accordance with the procedures on the following pages.
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK
3 PROBLEM SYMPTOMS TABLE
- When problem is not listed on problem symptoms table, proceed to A.
- When problem is listed on problem symptoms table, proceed to B.
4 PERFORM TROUBLESHOOTING ACCORDING TO MALFUNCTION SYMPTOM
- Data list / Active test.
- Circuit inspection
5 ADJUST, REPAIR OR REPLACE
6 RESET POWER WINDOW REGULATOR MOTOR
- If the AUTO switch (driver side switch) light of the power window master switch is blinking after the repair, reset the power window motor
END
Power window control system (w/ Jam Protection
Function)
PARTS LOCATION
...
Operation check
1. CHECK WINDOW LOCK SWITCH
Check that the passenger side power window and
slide door power window operation is disabled when
the window lock switch of the power window master
swit ...
Other materials:
Mute Signal Circuit between Radio and Navigation Assembly and
Stereo Component Amplifier
DESCRIPTION
This circuit sends a signal to the stereo component amplifier to mute noise.
Because of that, the noise
produced by changing the sound source ceases.
If there is an open in the circuit, noise can be heard from the speakers when
changing the sound source.
If there is a short i ...
Update contacts from phone
Operation methods differ between PBAP compatible and PBAP
incompatible but OPP compatible Bluetooth® phones.
If your cellular phone is neither PBAP nor OPP compatible, the contacts
cannot be transferred.
For PBAP Compatible Bluetooth® Phones
Select “Update Contacts from Phone”.
Che ...
No. 2 Clearance Warning Buzzer Circuit
DESCRIPTION
The clearance warning ECU receives the ultrasonic sensor signal to sound the
rear warning buzzer.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU - AIR CONDITIONER
AMPLIFIER)
Disconnect the connectors from the clearance warning ...
