Toyota Corolla Cross: System Diagram
SYSTEM DIAGRAM
SMART KEY SYSTEM (for Start Function)
SMART KEY SYSTEM (for Entry Function)
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CAUTION / NOTICE / HINT
NOTICE:
Do not perform "Smart Code Reset" (all key ID erasure) until all malfunctions and symptoms have been confirmed and resolved. If all key ID erasure is performed wi
CUSTOMER PROBLEM ANALYSIS CHECK
HINT: Be sure to ask the customer in detail about the following points concerning the vehicle operating conditions, environment and problem, and then check for DT
CHECK FOR INTERMITTENT PROBLEMS
NOTICE:
Operation history is stored in the RAM or EEPROM of the certification ECU (smart key ECU assembly). As the cause of a malfunction stored in the RAM will b
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DESCRIPTION
Symptom
Trouble Area
Check CAN Communication Connection
CAN main bus line, CAN branch line or connector
Power source circuit of central gateway ECU (network gateway ECU)
Central gateway ECU (network gateway ECU) ground
DESCRIPTION
The airbag ECU assembly has a built-in yaw rate and acceleration
sensor and detects the vehicle condition.
The skid control ECU (brake actuator assembly) memorizes the
range of the acceleration sensor (airbag ECU assembly) and the range of vehicle
speed calculated using each spee
How To Proceed With Troubleshooting
Check CAN Communication Connection
