Component Tests and General Diagnostics

TRANSPONDER KEY COIL INSPECTION





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

TRANSPONDER KEY COMPUTER INSPECTION








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





2. INSPECT COMPUTER
a. With the connector connected, connect the positive (+) lead from the analog type tester to terminal 10 and the negative (-) lead to the body ground.
b. Check that there is battery voltage when the ignition switch is turned ON.
c. Check that the tester needle swings strongly for approx. 1 sec. when the engine is started using the ignition key.