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:
EVAP System
RELATED DTCS
If any EVAP system DTCs are set, the malfunctioning area can be determined
using the table below.
NOTICE:
If the 0.02 inch reference pressure difference between the first and
second checks is greater than
the specification, the DTCs corresponding to the refe ...
System description
1. SYSTEM DESCRIPTION
(a) The ECT (Electronic controlled automatic
transmission/transaxle) is an automatic
transmission/transaxle that electronically controls
shift timing using the ECM. The ECM detects
electrical signals that indicate engine and driving
conditions, and controls the shift poin ...
Catalyst System Efficiency Below Threshold
DTC P0420 Catalyst System Efficiency Below Threshold
(Bank 1)
DTC P0430 Catalyst System Efficiency Below Threshold
(Bank 2)
MONITOR DESCRIPTION
The ECM uses the sensors mounted in front of and behind the three-way
catalyst (TWC) to monitor its
efficiency. The first sensor, an Air Fuel ratio ...
