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 These DTCs are stored when the CAN communication system is malfunctioning.
DTC No. Detection Item
DTC Detection Condition Trouble Area
Memory U010087
Lost Communication with ECM/PCM "A" Missing Message
Diagnosis Condition:
IG voltage 8.5 V or
DESCRIPTION
Using the current from the TCM, the shift solenoid valve SLU controls the lock-up
clutch pressure, and performs lock-up and flex lock-up control.
The TCM compares the engagement condition of the lock-up clutch with the lock-up
schedule in the TCM memory to detect mechanical malfunc
How To Proceed With Troubleshooting
Lost Communication with ECM/PCM "A" Missing Message (U010087,...,U016387)
