Toyota Corolla Cross: System Diagram
SYSTEM DIAGRAM

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PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order
ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT
CAUTION:
When working near the engine room while the engine has started or the power source mode is ignition switch to ON, do not touch the rotating
DESCRIPTION The ECM turns on or off the fan relays using signals calculated from the engine coolant temperature, air conditioning switch (on/off), air conditioning refrigerant pressure, engine speed a
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INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION)
Procedure Part Name Code
1 FRONT AIRBAG SENSOR
89174A
- -
2 CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL
- -
- -
3 INSPECT SRS WARNING LIGH
DESCRIPTION When the brakes are applied by the dynamic radar cruise control system, the skid control ECU (brake booster with master cylinder assembly) operates the stop light switch assembly (stop light control relay) to illuminate the stop lights.
If the hybrid vehicle control ECU receives a sig