| Circuit Diagram |

Signal Waveform
Inspection1.Turn the ignition switch OFF and disconnect the battery negative (-) cable.2.Disconnect the fuel pressure regulator valve connector.3.Measure resistance between the fuel pressure regulator valve terminals 1 and 2.
Inspection1.Connect the battery voltage and check the blower motor rotation.2.If the blower motor does not operate well, substitute with a known-good blower motor and check for proper operation.3.Replace the blower motor if it is proved that there is a problem with it.
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