Toyota Sienna Service Manual: Terminals of ECU
1. CHECK OUTER MIRROR CONTROL ECU LH
- Disconnect the O9 and O10 connectors.
- Measure the voltage and resistance according to the value(s) in the table below.
Voltage
Resistance
If the result is not as specified, there may be a malfunction on the wire harness side.
- Reconnect the O9 and O10 connectors.
- Measure the voltage according to the value(s) in the table below
Voltage
If the result is not as specified, there may be a malfunction on the ECU side.
2. CHECK OUTER MIRROR CONTROL ECU RH
- Disconnect the O11 and O12 connectors.
- Measure the voltage and resistance according to the value(s) in the table below.
Voltage
Resistance
If the result is not as specified, there may be a malfunction on the wire harness side.
- Reconnect the O11 and O12 connectors.
- Measure the voltage according to the value(s) in the table below.
Voltage
If the result is not as specified, there may be a malfunction on the ECU side.
Problem symptoms table
HINT:
Use the table below to help determine the cause of the
problem symptoms. The potential causes of the symptoms
are listed in order of probability in the ''Suspected Area''
column ...
Diagnosis system
1. DESCRIPTION
When troubleshooting a vehicle with the diagnosis
system, the only difference from the usual
troubleshooting procedure is connecting the
intelligent tester to the vehicl ...
Other materials:
High pitched horn
COMPONENTS
REMOVAL
1. REMOVE FRONT BUMPER COVER
2. REMOVE HIGH PITCHED HORN
Disconnect the connector.
Remove the bolt and horn.
INSPECTION
1. INSPECT HIGH PITCHED HORN
Apply battery voltage and check operation of the
horn, as shown in the table.
Standard ...
Only Wireless Door Lock Control Function does not Operate
DESCRIPTION
The door control receiver receives a signal from the transmitter and sends
this signal to the multiplex
network body ECU. Then, the multiplex network body ECU controls operation of the
door locks and power
windows.
Then, the power slide door ECU causes the power slide door to o ...
Disassembly
1. REMOVE REAR DOOR WINDOW FRAME MOULDING
REAR LH (See page ET-31)
2. REMOVE REAR DOOR WINDOW FRAME MOULDING
SUB-ASSEMBLY LH (See page ET-32)
3. REMOVE SLIDE DOOR WINDOW GARNISH LH
Fully open the slide door window.
Remove the glass run.
Using a screwdriver, disengage the clip and rem ...
