Toyota Sienna Service Manual: Data list / active test
1. USING INTELLIGENT TESTER
- Connect the intelligent tester to the DLC3.
- Monitor the ECU data by following the prompts on the tester screen.
HINT: The intelligent tester has a "Snapshot" function which records the monitored data.
Refer to the intelligent tester operator's manual for further details.
2. DATA LIST
HINT: Using the DATA LIST displayed by the intelligent tester, you can read the values of the switch, sensor, actuator, etc. without parts removal. Reading the DATA LIST as the first step of troubleshooting is one way to shorten the labor time.
- Connect the intelligent tester to the DLC3.
- Turn the ignition switch ON.
- Read the DATA LIST according to the display on the tester.
Standard (Multiplex network body ECU):
|
Item |
Measurement Item/ Display (Range) |
Normal Condition |
Diagnostic Note |
| IG SW | Ignition switch signal/ ON or OFF | ON: Key is in ON or START
position OFF: Key is in OFF or ACC position |
- |
| D DOR CTY SW | Driver side door courtesy switch signal/ ON or OFF | ON: Driver side door is open OFF: Driver side door is closed |
- |
| P DOR CYT SW | Passenger side door courtesy switch signal/ ON or OFF | ON: Passenger side door is open OFF: Passenger side door is closed |
- |
3. ACTIVE TEST
HINT: Performing the ACTIVE TEST using the intelligent tester allows you to operate the relay, VSV, actuator, etc.
without parts removal. Performing the ACTIVE TEST as the first step of troubleshooting is one way to shorten the labor time.
It is possible to display the DATA LIST during the ACTIVE TEST.
- Connect the intelligent tester to the DLC3.
- Turn the ignition switch ON.
- Perform the ACTIVE TEST according to the display on the tester.
Standard (Multiplex network body ECU):
|
Item |
Test Detail |
Diagnostic NoteIG OFF P/W |
| IG OFF P/W | Ignition switch OFF power window control permission output ON/OFF |
- |
- Auto Up / Down Function does not Operate
- Remote Up / Down Function does not Operate
- Manual Up / Down and Auto Down Function does not Operate on Driver Side
- Manual Up / Down and Auto Down Function does not Operate on Passenger Side Only
- Manual Up / Down Function does not Operate on Rear LH Only
- Manual Up / Down Function does not Operate on Rear RH Only
- Power Windows do not Operate at All
- Power Window can be Operated After Ignition Switch is Turned OFF Even if Operative Conditions are not Met
- Auto Up Operation does not Fully Close Power Window (Jam Protection Function is Activated)
- Power Window cannot be Operated by Wireless Operation
Diagnosis system
1. CHECK DLC3
The vehicle's ECU uses ISO 15765-4 for
communication protocol. The terminal arrangement
of the DLC3 complies with SAE J1962 and matches
the ISO 15765-4 format.
N ...
Auto Up / Down Function does not Operate
DESCRIPTION
If the AUTO UP/DOWN function does not operate, any of the following troubles
may be the cause:
When the PWR fuse or the power window relay (Marking: PWR) is
replaced with n ...
Other materials:
Wiper Signal Circuit
DESCRIPTION
The distance control ECU detects wiper operation. If the windshield wipers
operate in the HI or LO mode,
the cruise control is canceled and the warning sound "pong" is emitted once. In
addition, the following
warnings will continue until the cruise control main switch is ...
Security Horn Circuit
DESCRIPTION
During the alarm sounding state, the relay in the ECU turns on and off in a
cycle of approximately 0.2
seconds, causing the security horn to sound.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT SECURITY HORN ASSEMBLY
Disconnect the T1 security horn connector.
C ...
Locking and unlocking the back door
Entry function (vehicles with a smart key system)
Carry the electronic key to enable this function.
Press the unlock button to
unlock all the doors.
The door cannot be unlocked for
3 seconds after the door is
locked.
Lock the back door again when
you leave the vehicle. The back
...
