Power Source Circuit

POWER SOURCE CIRCUIT

CIRCUIT DESCRIPTION

This circuit is transponder key ECU assy power source circuit.

The voltage applied to terminal +B is the CPU power source of the transponder key ECU, and is always used to determine the condition of the power source.

Terminal IG supports +B power source and detects the ignition switch ON signal.

Wiring Diagram:

Step 1:

INSPECTION PROCEDURE