Toyota Sienna Service Manual: Terminals of ECU
1. JUNCTION CONNECTOR
- Junction connector
with VSC
HINT: *1: with Dynamic laser cruise control
without VSC
- CAN junction connector (with VSC)
with VSC
- The connection diagram of the components which are connected to the CAN junction connector.
2. DLC3
- Measure the resistance according to the value(s) in the table below.
Standard resistance
3. ECM
- Disconnect the connector from the ECM.
- Measure the resistance according to the value(s) in the table below
Standard resistance
4. NETWORK GATEWAY ECU
- Disconnect the connector from the netwark gateway ECU.
- Measure the resistance according to the value(s) in the table below
Standard resistance
5. SKID CONTROL ECU WITH ACTUATOR
- Disconnect the connector from the skid control ECU with actuator.
- Measure the resistance according to the value(s) in the table below
Standard resistance
6. STEERING ANGLE SENSOR
- Disconnect the connector from the steering angle sensor.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
7. YAW RATE SENSOR
- Disconnect the connector from the yaw rate sensor.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
8. DISTANCE CONTROL ECU
- Disconnect the connector from the distance control ECU.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
Problem symptoms table
RESULT LIST OF CHECK CAN BUS LINE
Symptom
Suspected Area
All ECUs and sensors connected to the CAN
communication system are not displayed on intelligent
tester
CAN ...
Diagnosis system
1. BUS CHECK
Select "BUS CHECK" from the "OBD/MOBD
MENU" screen.
HINT:
The ECUs and sensors that are properly connected
to the CAN communication system can be displaye ...
Other materials:
Removal
1. REMOVE REAR WHEEL
2. REMOVE REAR SHOCK ABSORBER CAP LH
(a) Remove the shock absorber head cover.
(b) Remove the shock absorber cap LH.
3. REMOVE SHOCK ABSORBER ASSEMBLY REAR LH
(a) Support the rear axle beam with a jack.
(b) Using a 6 mm hexagon wrench to hold the piston
rod, ...
Power back door opener / closer switch
INSPECTION
1. INSPECT SATELLITE SWITCH
Inspect the resistance of the back door switch.
Resistance
If the result is not as specified, replace the switch.
Apply battery voltage and check whether the switch
illuminates.
Standard
HINT:
Whether the switch illuminates or not wi ...
Auto Up Operation does not Fully Close Power Window (Jam
Protection Function is Activated)
DESCRIPTION
If AUTO UP operation does not fully close the power window, the following
conditions may be the cause.
The reset of the power window motor has not been completed,
resulting in activation of the jam
protection function.
The memory of the power window switch misse ...
