Toyota Corolla Cross: System Diagram
SYSTEM DIAGRAM
Communication Table
|
Transmitting ECU / Parts (Transmitter) |
Receiving ECU (Receiver) |
Signal | Communication Method |
|
Passenger Seat Buckle Switch (Front Seat Inner Belt Assembly RH) |
Airbag ECU Assembly | Front passenger side buckle switch signal |
Direct line |
|
Passenger Airbag ON/OFF Indicator (Map Light Assembly) |
Airbag ECU Assembly |
- Passenger airbag indicator ON signal
- Passenger airbag indicator OFF signal
|
| Front Occupant Classification Sensor LH (Front Seat Cushion Spring Sub-assembly RH) |
Airbag ECU Assembly |
Occupant load for front passenger signal |
LIN |
| Rear Occupant Classification Sensor LH (Front Seat Cushion Spring Sub-assembly RH) |
Airbag ECU Assembly |
|
Skid Control ECU (Brake Actuator Assembly) |
Airbag ECU Assembly |
- Vehicle speed signal
- Acceleration signal
| CAN |
READ NEXT:
SYSTEM DESCRIPTION GENERAL (a) The airbag ECU assembly estimates the weight of an occupant based on signals received from the 2 occupant classification sensors. The airbag ECU assembly determines whet
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the occupant classification system.
*: Use the GTS.
PROCEDURE
1. VEHICLE BROUGHT TO WORKSHOP
OPERATION CHECK CHECK SRS WARNING LIGHT (a) Primary check
(1) Turn the ignition switch to ON and check that the SRS warning light turns on.
(2) Turn the ignition switch off. Wait for at least 2 s
SEE MORE:
BRAKE
INSPECT BRAKE LINE PIPES AND HOSES
HINT:
Work in a well-lighted area. Turn the front wheels fully to the right or left
before beginning the inspection.
(a) Using a mirror, check the entire circumference and length of the brake lines
and hoses for:
Damage
Wear
Deformation
C
REPLACEMENT
CAUTION / NOTICE / HINT
CAUTION:
Do not remove the reserve tank cap, air release valve or radiator drain cock
plug while the engine and radiator assembly are still hot. Pressurized, hot engine
coolant and steam may be released and cause serious burns.
PROCEDURE
1. DRAIN ENGINE
