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:
For vehicles equipped with mobile communication systems
FOR VEHICLES EQUIPPED WITH MOBILE COMMUNICATION SYSTEMS
(a) Install the antenna far away from the ECU and
sensors of the vehicle electronic systems as
possible.
(b) Install an antenna feeder at least 20 cm (7.87 in.)
away from the ECU and sensors of the vehicle
electronic systems. For de ...
Mirror Motor Circuit
DESCRIPTION
A mirror control switch signal and memorized mirror positions are sent to the
outer mirror control ECU.
The outer mirror control ECU drives the selected mirror UP, DOWN, LEFT and RIGHT
in response to the
inputs.
HINT:
The power mirror control system is part of the large-scale ...
Short in CAN Bus Lines
DESCRIPTION
The CAN bus wires are considered to be shorted when the resistance between
terminals 6 (CANH) and
14 (CANL) of the DLC3 is below 54 Ω.
Symptom
Trouble Area
Resistance between terminals 6 (CANH) and 14 (CANL) of the DLC3
is below 54 Ω.
...
