Toyota Sienna Service Manual: SRS Warning Light does not Come ON
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK BATTERY
- Measure the voltage of the battery.
Standard voltage: 11 to 14 V
2 CHECK CONNECTORS
- Turn the ignition switch to the LOCK position.
- Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
- Check that the connectors are properly connected to the center airbag sensor assembly and the combination meter assembly.
OK: The connectors are properly connected.
3 CHECK WIRE HARNESS (SOURCE VOLTAGE OF COMBINATION METER ASSEMBLY)
- Turn the ignition switch to the LOCK position.
- Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
- Disconnect the connector from the combination meter assembly.
- Connect the negative (-) terminal cable to the battery, and wait for at least 2 seconds.
- Turn the ignition switch to the ON position.
- Measure the voltage according to the value(s) in the table below.
Standard voltage
- Turn the ignition switch to the LOCK position.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
4 CHECK SRS WARNING LIGHT
- Turn the ignition switch to the LOCK position.
- Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
- Connect the connector to the combination meter assembly.
- Disconnect the connector from the center airbag sensor assembly.
- Connect the negative (-) terminal cable to the battery, and wait for at least 2 seconds.
- Turn the ignition switch to the ON position.
- Check the SRS warning light condition.
OK: After the primary check period, SRS warning light goes off for approximately 10 seconds, and remains on.
HINT: The primary check period is approximately 6 seconds after the ignition switch is turned to the ON position.
REPLACE CENTER AIRBAG SENSOR ASSEMBLY
SRS Warning Light Remains ON
DESCRIPTION
The SRS warning light is located on the combination meter assembly.
When the SRS is normal, the SRS warning light comes on for approximately 6
seconds after the ignition
switch is t ...
Diagnosis Circuit
DESCRIPTION
DTC output mode is set by connecting terminals TC and CG of the DLC3.
DTCs are displayed by blinking the SRS warning light.
HINT:
When each warning light stays blinking, a g ...
Other materials:
Overview
Button in the vehicle
Intelligent Safety
Camera
The camera is installed near the interior mirror.
Keep the windshield in front of the interior mirror
clean and clear.
Switching on/off
Switching on automatically
The lane departure warning activates automatically
after departure if the function wa ...
Buttons for the central
locking system
General information
In the event of a severe accident, the vehicle is
automatically unlocked. The hazard warning system
and interior lights come on.
Overview
Buttons for the central locking system.
Locking
Press the button with the front
doors
closed.
The fuel filler flap remains unlocked.
The ...
Check mode procedure
1. CHECK MODE (SIGNAL CHECK): DTC CHECK
Connect the intelligent tester to the DLC3.
) Turn the ignition switch to the ON position.
) Select the "SIGNAL CHECK", and proceed
checking using the intelligent tester.
NOTICE:
Select the "SIGNAL CHECK" from the &q ...
