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Shift & Key Interlock Systems

NOTE: For system testing, refer to wiring schematic when checking component wiring. See Fig 1 . To check individual components, see COMPONENT TESTING  .
  1. To check system operation, ensure shift lever is in Park. Turn ignition on. Depress brake pedal with accelerator pedal in idle position.
  2. If shift lock solenoid clicks, system is working properly. If shift lock solenoid fails to click, see INTERLOCK CONTROL UNIT  under COMPONENT TESTING. If shift lever cannot be moved from Park, check for proper installation procedure of shift lock solenoid. See SHIFT LOCK SOLENOID  under REMOVAL & INSTALLATION. If shift lock solenoid installation is okay, test A/T gear position switch; see A/T GEAR POSITION SWITCH  .
Fig 1: Shift & Key Interlock System Wiring Schematic
G95C19341Courtesy of AMERICAN HONDA MOTOR CO., INC.