Transmission Range Switch Test

Remove the air cleaner (see AIR CLEANER REMOVAL/INSTALLATION ).
Disconnect the transmission range switch connector.

Fig 1: Identifying Transmission Range Switch Connector
Courtesy of AMERICAN HONDA MOTOR CO., INC.
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 2: Transmission Range Switch Connector Continuity Chart
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Transmission range switch test is completed if the test results are OK. If there is no continuity between any terminals, go to step 5.
Remove the transmission range switch, and check the end of the selector control shaft (A).
Selector Control Shaft Specifications

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 3: Identifying Selector Control Shaft End Gap
Courtesy of AMERICAN HONDA MOTOR CO., INC.
If the measurement of the selector control shaft end is within the standard, replace the transmission range switch (see TRANSMISSION RANGE SWITCH REPLACEMENT ). If the measurement is out of the standard, repair the selector control shaft end, and recheck the transmission range switch continuity.