Toyota Sienna Service Manual: Terminals of ECU
1. Instrument Panel Junction Block Assembly
Problem symptoms table
HINT:
Proceed to troubleshooting of each circuit in the table below.
1. HEADLIGHT AND TAIL LIGHT SYSTEM
2. AUTOMATIC LIGHT CONTROL SYSTEM
3. LIGHT AUTO TURN OFF SYSTEM
4. FOG LIGHT SY ...
DTC check / clear
1. USING INTELLIGENT TESTER
Hook up the intelligent tester to the DLC3.
Monitor the ECU data by following the prompts on
the tester screen.
HINT:
intelligent tester has "S ...
Other materials:
Removal
HINT:
Don't use the dropped or damaged yawrate sensor
Free from the foreign matters between yaerate sensor
bracket and body.
Make sure the sensor direction.
1. REMOVE FRONT SEAT ASSEMBLY RH
HINT:
See page SE-40.
2. REMOVE FRONT DOOR SCUFF PLATE RH
3. REMOVE COWL SIDE TRIM BOARD RH
...
On-vehicle inspection
1. INSPECT DRIVE BELT
(a) Visually check the drive belt for excessive wear,
frayed cords, etc.
If any defect is found, replace the drive belt.
HINT:
Cracks on the rib side of a belt are considered
acceptable. Replace the belt if there are any
missing ribs.
2. CHECK POWER STEERING FLUID ...
Diagnostic trouble code chart
COMMUNICATION DIAGNOSIS:
SW:
SW WITH NAME:
SW CONVERTING:
COMMAND SW:
FRONT MONITOR:
DVD PLAYER:
TELEPHONE:
NAVI:
IN-DASH CD CHANGER:
GPS:
CAMERA UNIT:
...
