Toyota Sienna Service Manual: Inspection
1. INSPECT THROTTLE BODY
- Using an ohmmeter, measure the resistance between the terminals.
Standard resistance
If the result is not as specified, replace the throttle body assembly.
Removal
1. REMOVE WINDSHIELD WIPER MOTOR ASSEMBLY
2. REMOVE FRONT OUTER COWL TOP PANEL SUBASSEMBLY
3. DRAIN ENGINE COOLANT
4. REMOVE V-BANK COVER SUB-ASSEMBLY
5. REMOVE NO. 2 AIR CLEANER INLET
6. REMOVE ...
Installation
1. INSTALL THROTTLE BODY
Install a new throttle body gasket to the intake air
surge tank.
Install the throttle body with the 4 bolts.
Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) ...
Other materials:
Installation
1. INSTALL SEAT POSITION AIRBAG SENSOR
Check that the ignition switch is off.
Check that the negative battery (-) terminal is
disconnected.
CAUTION:
After disconnecting the negative battery
terminal, wait for at least 90 seconds before
starting the operation.
...
Installation
1. INSTALL HIGH MOUNTED STOP LIGHT ASSEMBLY
2. INSTALL REAR SPOILER
Install the rear spoiler with the 3 nuts and 2 clips.
Connect the center stop light connector.
3. INSTALL BACK DOOR CENTER GARNISH
Engage the 5 clips to install the back door center
garnish.
...
ECM / PCM Processor
DESCRIPTION
The ECM continuously monitors its internal processors (CPUs), A/F sensor
transistors and heated oxygen
sensor (HO2S) transistors. This self-check ensures that the ECM is functioning
properly. These are
diagnosed by internal "mirroring" of the main and sub CPUs to det ...
