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 The headlight ECU sub-assembly operates using the power source voltage input from the IGR terminal and ECUB terminal.
The power source voltage of the ECUB terminal is supplied when the main body ECU (multiplex network body ECU) turns the ECUB power supply relay (H-LP LH relay and H-LP R
REMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL)
Procedure Part Name Code
1 INVERTER WATER PUMP WITH MOTOR ASSEMBLY
G9040 -
- -
2 DRAIN ENGINE COOLANT
- -
- 3
HEADLIGHT ASSEMBLY -
- -
How To Proceed With Troubleshooting
ECUB Circuit Short to Ground or Open (B242F14)
