Toyota Sienna Service Manual: Precaution
1. Check that the battery cables are connected to the correct terminals.
2. Disconnect the battery cables when the battery is given a quick charge.
3. Do not perform tests with a high voltage insulation resistance tester.
4. Never disconnect the battery cables while the engine is running.
5. Check that the charging cable nut is tightened on terminal b of the generator and the engine room r/b.
Parts location
SYSTEM DIAGRAM
PROBLEM SYMPTOMS TABLE
Charging system
...
On-vehicle inspection
1. Check battery electrolyte level
(a) Check the electrolyte level.
(1) If the electrolyte level is low, replace the battery
(or add distilled water) and check the charging
system.
2. CHECK BAT ...
Other materials:
Disassembly
1. REMOVE REAR NO. 2 SEAT COVER BEZEL
Remove the 5 screws.
Disengage the 5 claws and remove the rear No. 2
seat cover bezel.
2. REMOVE REAR SEAT RECLINING COVER LH
Remove the 2 screws.
Disengage the claw and remove the rear seat
reclining cover LH.
...
Inspection
1. INSPECT NO. 1 VALVE ROCKER ARM SUBASSEMBLY
(a) Turn the roller by hand to check that it turns
smoothly.
HINT:
If the roller does not turn smoothly, replace the valve
rocker arm sub-assembly.
2. INSPECT VALVE LASH ADJUSTER ASSEMBLY
NOTICE:
Keep the lash adjuster free of dirt ...
Ignition key cylinder light
ON-VEHICLE INSPECTION
1. KEY CYLINDER LIGHT ASSEMBLY
Connect the battery positive (+) lead to the terminal
1 and the battery negative (-) lead to the terminal 2,
and check that the indicator light comes on.
2. TRANSPONDER KEY AMPLIFIER
Inspect key cylinder light o ...
