1. Check for continuity between throttle actuator control module 16P connector terminal No. 12 and body ground.

Is there continuity?

YES | - | Substitute a known-good throttle actuator control module, then go to Step 18 . and recheck. If DTC P0223 is not indicated, replace the original throttle actuator control module, then go to Step 18 . If DTC P0223 is indicated, go to Step 16 .
NO | - | Repair open in the wire between the throttle body and the throttle actuator control module (TPSB line), then go to Step 18 .

1. Turn the ignition switch OFF.

1. Disconnect the throttle body 6P connector.

1. Disconnect the throttle actuator control module 16P connector.