Toyota Sienna Service Manual: How to proceed with troubleshooting
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
- Interview the customer and confirm the trouble.
- Confirm the problem by duplicating the conditions described by the customer
3 BASIC INSPECTION
- Basic inspection.
- Measure the battery voltage.
Standard voltage: 11 to 14 V
- with Navigation system: Check the power supply to the radio and navigation assembly.
- Turn the ignition switch to the ACC position.
- Check whether the display appears on the radio and navigation assembly.
- without Navigation system: Check the power supply to the radio receiver.
- Turn the ignition switch to the ACC position.
- Check whether the display appears on the radio receiver
4 PROBLEM SYMPTOMS TABLE
- Refer to the problem symptoms table
5 CIRCUIT INSPECTION AND PART INSPECTION
6 IDENTIFICATION OF PROBLEM
7 REPAIR OR REPLACE
8 CONFIRMATION TEST
END
System description
1. OUTLINE
As a unique feature of Rear Seat Entertainment
(RSE) system, the front and rear seat occupants can
enjoy different audio-visual modes at the same time.
Thus, this system o ...
Problem symptoms table
HINT:
Inspect the "Fuse" and "Relay" before confirming the
suspected area as shown in the table below.
DISPLAY FUNCTION:
SOUND FUNCTION:
REMOTE CONTROL FUNCTION:
...
Other materials:
Disassembly
1. REMOVE REAR DOOR WINDOW FRAME MOULDING
REAR LH (See page ET-31)
2. REMOVE REAR DOOR WINDOW FRAME MOULDING
SUB-ASSEMBLY LH (See page ET-32)
3. REMOVE SLIDE DOOR WINDOW GARNISH LH
Fully open the slide door window.
Remove the glass run.
Using a screwdriver, disengage the clip and rem ...
Solar Sensor Circuit (Passenger Side)
DTC B1421/21 Solar Sensor Circuit (Passenger Side)
DESCRIPTION
The solar sensor, which is installed on the upper side of the instrument
panel, detects sunlight and
controls the air conditioning in AUTO mode. The output voltage from the solar
sensor varies according to
the amount of sunli ...
Repeat play
Select to change on/off.
Using cellular phones
Interference may be heard through the audio system’s speakers if a cellular
phone is being used inside or close to the vehicle while the audio system is
operating.
Certification (caution)
Laser product
This product is a class 1 laser product.
...
