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:
Engine
GENERAL MAINTENANCE
HINT:
Inspect these items when the engine is cold.
1. INSPECT DRIVE BELT
HINT:
(See page EM-6)
2. REPLACE SPARK PLUGS
HINT:
(See page IG-8)
3. INSPECT AIR FILTER
(a) Remove the air filter.
(b) Visually check that the air filter is not excessively
damaged or oily ...
Sensor signal check by test mode (signal check) (when using sst check wire)
(a) When having replaced the skid control ECU and/or
yaw rate and deceleration sensor, perform zero
point calibration of the yaw rate and deceleration
sensor.
HINT:
If the ignition switch is turned from the ON
position to the ACC or off during test mode
(signal check), DTCs of the signal ...
Occupant Classification ECU Malfunction
DTC B1795 Occupant Classification ECU Malfunction
DESCRIPTION
DTC B1795 is recorded when a malfunction is detected in the occupant
classification ECU.
Troubleshoot DTC B1771 first when the DTCs B1771 and B1795 are output
simultaneously.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK DTC ...
