Toyota Sienna Service Manual: ECM
COMPONENTS
REMOVAL
1. REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY
(a) Push the right side wall and then push the left wall to release the stoppers.
(b) Pull the glove compartment door sub-assembly rearward to remove it.
2. REMOVE NO. 2 INSTRUMENT PANEL BOX
(a) Disengage the 2 claws and 4 clips, and remove the No. 2 instrument panel box.
3. REMOVE ECM
(a) Disconnect the 5 ECM connectors.
(b) Remove the 2 nuts and ECM.
4. REMOVE ECM (with 10 speakers system)
(a) Disconnect the 5 ECM connectors and 2 stereo components amplifier connectors.
(b) Remove the 4 nuts and the ECM with the stereo components amplifier.
INSTALLATION
1. INSTALL ECM
(a) Install the ECM with the 2 nuts.
Torque: 5.5 N*m (56 kgf*cm, 49 in.*lbf) (b) Connect the 5 ECM connectors.
2. INSTALL ECM (with 10 speakers system)
(a) Install the ECM and stereo components amplifier with the 4 nuts.
Torque: 5.5 N*m (56 kgf*cm, 49 in.*lbf) (b) Connect the 5 ECM connectors and 2 stereo components amplifier connectors.
3.INSTALL NO. 2 INSTRUMENT PANEL BOX
(a) Install the No. 2 instrument panel box.
4. INSTALL GLOVE COMPARTMENT DOOR ASSEMBLY
(a) Install the glove compartment door sub-assembly frontward to install it.
(b) Push the right side wall and then push the left wall to install the stoppers.
5. PERFORM REGISTRATION
(a) When replacing the ECM, perform distance control ECU recognition in ECM (See page CC-125).
Installation
1. INSTALL THROTTLE BODY
(a) Install a new throttle body gasket to the intake air
surge tank.
(b) Install the throttle body with the 4 bolts.
Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf)
...
Accelerator pedal rod
COMPONENTS
ON-VEHICLE INSPECTION
1. CHECK ACCELERATOR PEDAL ROD
(a) Check the voltage.
(1) Connect the intelligent tester to the DLC3.
(2) Turn the ignition switch to the ON position.
...
Other materials:
Perform signal check
HINT:
When entering signal check mode, the tire pressure
warning ECU sets all the signal check DTCs first.
After completing signal check for each inspection
item, the DTCs for systems that are determined to be
normal by the tire pressure warning ECU will be
erased.
The DTCs f ...
Removal
1. BOLT, SCREW AND NUT TABLE
The bolts, the screws and the nuts, which are
necessary for installation and removal of the
instrument panel are shown in the illustration below
with alphabets.
2. DISCONNECT BATTERY NEGATIVE TERMINAL
3. REMOVE STEERING WHEEL COVER LOWER NO.2
4. ...
ECM / PCM Internal Engine Off Timer Performance
DTC SUMMARY
DESCRIPTION
To ensure the accuracy of the EVAP (Evaporative Emission) monitor values, the
soak timer, which is built
into the ECM, measures 5 hours (+/- 15 minutes) from when the ignition switch is
turned off, before the
monitor is run. This allows the fuel to cool down, whic ...
