Hybrid Vehicle Immobilizer System

INSPECTION




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







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




3. INSPECT TRANSPONDER KEY ECU
a. With the connector connected, connect the positive (+) lead from the analog type tester to terminal 8 and the negative (-) lead to the body ground.
b. Check that there is battery voltage when the ignition switch turned ON.
c. Check that the tester needle swings strongly for approx. 1 sec. when the engine is started using the ignition key.