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:
Disassembly
1. INSPECT UNDERDRIVE PACK CLEARANCE
HINT:
(See page AX-262)
2. REMOVE UNDERDRIVE CLUTCH FLANGE NO.2 HOLE
SNAP RING
a) Using a screwdriver, remove the underdrive clutch
flange No.2 snap ring.
3. REMOVE UNDERDRIVE CLUTCH DISC NO.1
(a) Remove the flange, 4 discs and 4 plates from the
...
Park / Neutral Position Switch Circuit
DESCRIPTION
The fold seat control ECU receives signals from the Park/Neutral position
switch and controls the seat
stowing and return operations. If the shift lever is in any position other than
P the seat cannot be operated.
If the ignition switch is in ACC or IG the seat cannot be operate ...
Removal
1. DISCONNECT CABLE FROM NEGATIVE BATTERY
TERMINAL
2. REMOVE REAR NO. 2 SEAT LEG SIDE GARNISH SUB-ASSEMBLY
Disengage the 9 clips and remove the rear No. 2
seat leg side garnish sub-assembly.
Remove the 9 clips from the rear No. 2 seat leg side
garnish sub-assembly.
3. ...
