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:
Removal
1. REMOVE FRONT DOOR WINDOW FRAME MOULDING
Remove the screw.
Using a heat light, heat the front door window frame
moulding between 40 to 60 C (104 to 140 F).
NOTICE:
Do not heat the front door window frame
moulding excessively.
Slide the front door window frame moulding upward
...
Components
REMOVAL
1. DISCONNECT CABLE FROM NEGATIVE BATTERY
TERMINAL
2. REMOVE FRONT BUMPER ASSEMBLY
3. REMOVE FOG LIGHT ASSEMBLY
Disengage the 2 claws
Disengage the 2 pins and remove the fog light
assembly.
DISASSEMBLY
1. REMOVE FOG LIGHT BULB
Turn in the dir ...
Removal
1. REMOVE V-BANK COVER SUB-ASSEMBLY (See
page EM-28)
2. DISCONNECT VENTILATION HOSE
(a) Disconnect the ventilation hose from the ventilation
valve.
3. REMOVE VENTILATION VALVE
(a) Remove the ventilation valve. ...
