Engine Immobilizer System: Inspection

Check that there is continuity between terminal 1 and 2. If continuity is not as specified, replace the coil.

Fig 1: Inspecting Transponder Key Coil Continuity

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Connect the wire harness side connector to the ECU and inspect wire harness side connector from the back side, as shown in the table.

If circuit is as specified, try replacing the ECU with a new one.

If the circuit is not as specified, inspect the circuit connected to other parts.

Fig 2: Identifying Transponder Key ECU Terminals

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