| Circuit Diagram |

Signal Waveform
Inspection 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Disconnect the fuel pressure regulator valve connector.
Inspection 1. Ignition "OFF”. 2. Disconnect the connector of auto defog control actuator. 3. Verify that the auto defog control actuator operates to the defrost ON mode when connecting 12V to the terminal 3 and grounding terminal 7. 4.
Replacement 1. Disconnect the damper (B) from the glove box (A) and then remove the glove box lift (C). 2. Remove the filter cover (A) with pushing the knob. 3. Replace the air filter (B), install it after making sure of the direction of air filter.