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Transmission Range Switch Test

  1. Raise the vehicle on a lift, or apply the parking brake, block the rear wheels, and raise the front of the vehicle. Make sure it is securely supported.
  2. Disconnect the transmission range switch harness connector (A), and remove the connector from the connector bracket.
    Fig 1: Identifying Transmission Range Switch Harness Connector Terminals
    G06615870Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. Check for continuity between terminals at the harness connector. There should be continuity between the terminals in the following table for each switch position.

    Transmission Range Switch Harness Connector 

    Fig 2: Transmission Range Switch Harness Connector Terminals Continuity Chart
    G06615871Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. Transmission range switch test is completed if the test results are OK.

    If there is no continuity between any terminals, Go to step  5.

  5. Remove the transmission range switch cover.
    Fig 3: Transmission Range Switch Cover And Bolts With Torque Specification
    G06615872Courtesy of AMERICAN HONDA MOTOR CO., INC.
  6. Disconnect the transmission range switch connector.
    Fig 4: Identifying Transmission Range Switch Connector Terminals
    G06615873Courtesy of AMERICAN HONDA MOTOR CO., INC.
  7. Check for continuity between terminals at the switch connector. There should be continuity between the terminals in the following table for each switch position.

    Transmission Range Switch Connector 

    Fig 5: Transmission Range Switch Connector Terminals Continuity Chart
    G06615874Courtesy of AMERICAN HONDA MOTOR CO., INC.
  8. If the transmission range switch continuity check is OK, Go to step  9 and replace the faulty transmission range switch harness. If there is no continuity between any terminals, Go to step 10.
  9. Remove the harness clamps (A) from the clamp bracket (B), and replace the faulty transmission range switch harness (C), then Go to step  12.
    Fig 6: Identifying Transmission Range Switch Harness, Clamp Bracket, Harness Clamps
    G06615875Courtesy of AMERICAN HONDA MOTOR CO., INC.
  10. Remove the transmission range switch, and check the end of the selector control shaft (A).

    Selector Control Shaft Specification 

    Width (B): 6.1-6.2 mm (0.240-0.244 in) 

    End Gap (C): 1.8-2.0 mm (0.07-0.08 in) 

    Fig 7: Identifying Selector Control Shaft, Width And End Gap
    G06615876Courtesy of AMERICAN HONDA MOTOR CO., INC.
  11. If the measurement of the selector control shaft end is within the specification, replace the transmission range switch (see TRANSMISSION RANGE SWITCH REPLACEMENT ). If the measurement is out of the specification, repair the selector control shaft end, and recheck the transmission range switch continuity.
  12. Check the connectors for rust, dirt, or oil, and clean or repair if necessary, then connect the connector securely.
  13. Install the transmission range switch cover.
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