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Home › Infiniti › 1992 › Q45 Base › Repair and Diagnosis › Engine Performance › System › Engine Controls - System/Component Tests › Engine Sensors & Switches › Park/Neutral Relay Input (Q45)

Park/Neutral Relay Input (Q45)

  1. Backprobe ECU terminal No. 44 with positive lead of a 10-megohm DVOM. Connect negative lead to a good ground. See appropriate WIRING DIAGRAMS article in the ENGINE PERFORMANCE Section to identify ECU terminals.
  2. With gear selector in any position except Park or Neutral, voltmeter should indicate 8-10 volts. With gear selector lever in Park or Neutral, voltmeter should indicate about zero volts. To test park/neutral relay, see RELAYS & SOLENOIDS  .
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