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Transmission Range Switch Test

  1. Disconnect the transmission range switch harness connector (A).

  1. Check for continuity between terminals at the harness connector. There should be continuity between the terminals in the following table for each switch position.
  1. Transmission range switch test has finished if the test results are OK.
    If there is no continuity between any terminals, go to Step 5 .
  1. Raise the vehicle on a lift, or apply the parking brake, block rear wheels, and raise the front of the vehicle. Make sure it is securely supported.
Transmission Range Switch Harness Connector     Seven-position Transmission
Transmission Range Switch Harness Connector     Five-position Transmission

  1. Remove the transmission range switch cover.

  1. Disconnect the transmission range switch connector.

  1. 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     Seven-position Transmission
Transmission Range Switch Connector     Five-position Transmission

  1. If the transmission range switch continuity check is OK, replace the faulty transmission range switch harness; remove the harness clamps (A) from the clamp bracket (B), remove the transmission range switch harness (C).

  1. If there is no continuity between any terminals, 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.)

  1. The measurement of the selector control shaft end is within the standard, replace the transmission range switch. If the measurement is out of the standard, repair the selector control shaft end, and recheck the transmission range switch continuity.