Toyota Sienna Service Manual: Problem symptoms table
HINT:
- If a normal code is displayed during the diagnostic trouble code check although the trouble still occurs, check the electrical circuits for each symptom in the order given in the charts on the following pages and proceed to the page given for troubleshooting.
- The Matrix Chart is divided into 2 chapters.
- When the circuit on which mark *1 is attached is a malfunction, DTC could be output.
Refer to the table below when the trouble cause is considered to be electrical. If the instruction PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE is given in the flowchart of each circuit, inspect the suspected areas in descending order for each symptom. If the trouble still occurs even though there are no abnormalities in the inspections listed for the symptoms, check and replace the ECM.
1. Chapter 1: Electronic Circuit Matrix Chart
2. Chapter 2: On-Vehicle Repair and Off-Vehicle Repair
Monitor drive pattern
1. MONITOR DRIVE PATTERN FOR ECT TEST
(a) Perform this drive pattern as one method to
simulate the detection conditions of the ECT
malfunctions. (The DTCs may not be detected due
the actual drivin ...
Terminals of ecm
1. Ecm
Hint:
each ecm terminal's standard voltage is shown in the
table below.
In the table, first follow the information under "condition".
Look under "symbols (terminal no. ...
Other materials:
Removal
1. Remove front wheel
2. Remove front wiper arm head cap
Hint:
(see page ww-3)
3. Remove fr wiper arm rh
HINT:
(See page WW-3)
4. Remove fr wiper arm lh
HINT:
(See page WW-3)
5. Remove cowl top ventilator louver subassembly
Hint:
(see page ww-3)
6. Remove windshield wiper motor & li ...
Pre-collision seat belts (front seats of vehicles with pre-collision
system)
If the system determines that a collision is unavoidable, the front seat
belts will retract before the collision.
Emergency locking retractor (ELR)
The retractor will lock the belt during a sudden stop or on impact. It may
also
lock if you lean forward too quickly. A slow, easy motion wi ...
Reassembly
NOTICE:
Before installation, coat the parts indicated by arrows
with power steering fluid (See page PS-7).
1. INSTALL VANE PUMP HOUSING OIL SEAL
(a) Coat a new vane pump housing oil seal lip with
power steering fluid.
(b) Using SST and a press, install the vane pump
housing oil seal until i ...
