Toyota Yaris: Cxpi Communication System / System Diagram
SYSTEM DIAGRAM

PARTS LOCATION ILLUSTRATION
*1 SEMICONDUCTOR POWER INTEGRATION ECU *2 ENGINE ROOM RELAY BLOCK - STD P/I NO. 1 FUSE - INP STD NO. 1-1 FUSE - WASHER FUSE *3 LIGHT CONTROL LED ECU RH *4 LIGHT CONTROL LED ECU LH ILLUSTRATION
*1 MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) *2 POWER DISTRIBUTION BOX ASSEMBLY - ECU-IGR NO...
SYSTEM DESCRIPTION CXPI COMMUNICATION SYSTEM DESCRIPTION The multiplex communication system [CXPI] is used for communication systems between body system components...
Other information:
If any of the following warning lights turns on/flashes, the system may
have a malfunction. Contact your Toyota dealer to have your vehicle
inspected.
ABS Warning Light
When the engine is jump-started to charge the battery, uneven rpm occurs
and the ABS warning light may illuminate...
DESCRIPTION The main body ECU (multiplex network body ECU) controls the operation of the following lights:
Front Door Ambient Illumination Light
Front Door Ambient Illumination Light LH (Front Door Trim Board Sub-assembly LH)
Front Door Ambient Illumination Light RH (Front Door Trim Board Sub-assembly RH)
WIRING DIAGRAM
CAUTION / NOTICE / HINT NOTICE:
Inspect the fuses for circuits related to this system before performing the following procedure...
Categories
The front seat belt pretensioners are designed to deploy in moderate or
severe frontal, near frontal collisions.
In addition, the pretensioners operate when a side collision or a rollover
accident is detected. The pretensioners operate differently
depending on what types of air bags are equipped. For more details
about the seat belt pretensioner operation, refer to the SRS Air Bag
Deployment Criteria.
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