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Component Tests and General Diagnostics

ENGINE IMMOBILIZER SYSTEM

INSPECTION




1. INSPECTION TRANSPONDER KEY COIL CONTINUITY
Check that there is continuity between terminals 1 and 2. If continuity is not as specified, replace the coil.







2. INSPECT TRANSPONDER KEY ECU CIRCUIT
Connect the wire harness side connector to the ECU and inspect the wire harness side connector from the back side, as shown in the table.
If the circuit is as specified, replace the ECU with a new one.
If the circuit is not as specified, inspect the circuit connected to other parts.