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:
Diagnosis system
1. CHECK DLC3
The vehicle's ECU uses ISO 15765-4 for
communication protocol. The terminal arrangement
of the DLC3 complies with SAE J1962 and matches
the ISO 15765-4 format
NOTICE:
*: Before measuring the resistance, leave the
vehicle as is for at least 1 minute and do not
oper ...
Disassembly
1. REMOVE NO. 2 FRONT AXLE INBOARD JOINT BOOT LH CLAMP
(a) Using pliers, remove the No. 2 front axle inboard
joint boot LH clamp, as shown in the illustration.
2. REMOVE FRONT AXLE INBOARD JOINT BOOT LH
CLAMP
(a) Remove the front axle inboard joint boot LH clamp
using the same procedures a ...
Camshaft Position "A" Actuator Circuit
DTC P0010 Camshaft Position "A" Actuator Circuit (Bank
1)
DTC P0020 Camshaft Position "A" Actuator Circuit (Bank
2)
DESCRIPTION
The Variable Valve Timing (VVT) system includes the ECM, Oil Control Valve (OCV)
and VVT controller.
The ECM sends a target duty-cycle control ...
