Toyota Sienna Service Manual: How to proceed with troubleshooting
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
3 CHECK AND CLEAR DTCs
- Refer to the diagnostic check/clear
4 PROBLEM SYMPTOM CONFIRMATION
5 SYMPTOM SIMULATION
6 CHECK DTC
7 CHECK IF THE SAME SYMPTOM APPEARS IN THE NAVIGATION SYSTEM
- Refer to the navigation system
8 PROBLEM SYMPTOMS TABLE
- Refer to the problem symptoms table
9 BASED ON THE MALFUNCTION SYMPTOM, PERFORM TROUBLESHOOTING BELOW
- Terminals of ECU
10 ADJUST, REPAIR OR REPLACE
11 CONFIRMATION TEST
END
System description
1. GENERAL
To assist the driver with parking the vehicle by
displaying an image of the area behind the vehicle,
this system has a television camera mounted on the
luggage compartment d ...
Problem symptoms table
Before inspecting the suspected areas listed in the table
below, check the fuse and relay.
Before inspecting the suspected areas listed in the table
below, check the DTCs.
Metho ...
Other materials:
Power Slide Door LH does not Operate When Using Inside / Outside
Handle
DESCRIPTION
The inside / outside handles have the ability to control operation
of the power slide door. Pulling either
handle transmits a request signal to the power slide door ECU LH, which then
commands the power
slide door control motor and clutch to open / close the power sli ...
Air outlet control servo motor (for rear air conditioning system)
ON-VEHICLE INSPECTION
1. INSPECT REAR AIR OUTLET CONTROL SERVO
MOTOR
(a) Inspect servo motor operation.
(1) Connect the positive (+) lead from the battery
to terminal 4 and negative (-) lead to terminal 5,
then check that the arm turns to "FOOT" side
smoothly.
(2) Connect t ...
Air fuel ratio sensor relay
INSPECTION
1. INSPECT AIR FUEL RATIO SENSOR RELAY
Using an ohmmeter, measure the resistance
according to the value(s) in the table below.
Standard resistance
If the result is not as specified, replace the relay. ...
