Toyota Sienna Service Manual: Problem symptoms table
Use the table below to find the cause of the problem. The numbers indicate the priority of the likely cause of the problem. Check each part in order. If necessary, replace these parts.
Front A/C:
Rear A/C:
Parts location
...
Terminals of ecu
1. A/C AMPLIFIER
HINT:
Check from the rear of the connector while it is
connected to the A/C amplifier.
(a) Waveform 1:
(b) Waveform 2: ...
Other materials:
Selecting trailer ball
Use the correct trailer ball for your application.
Trailer ball load rating
Matches or exceeds the gross
trailer weight rating of the trailer.
Ball diameter
Matches the size of the trailer coupler.
Most couplers are stamped
with the required trailer ball size.
Shank len ...
Power Window can be Operated After Ignition Switch is Turned OFF
Even if Operative Conditions are not Met
DESCRIPTION
The multiplex network body ECU controls power supplied to the power window
master switch and each
regulator switch continuously for 45 seconds after the ignition switch is turned
OFF unless the front doors
have been opened, so that the power window can be operated during this peri ...
How to proceed with
troubleshooting
HINT:
Use the following procedures to troubleshoot the dynamic
laser cruise control system.
*: Use the intelligent tester
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
3 PROBLEM SYMPTOM CONFIRMATION
Result
SYMPTOM SIMULATION
4 INSPECT BATTERY VOLTAGE
Stan ...
