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DTC 35: Transmission Range (Tr) Switch Circuit

WARNING: This page is about a different car, the 2002 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
  1. Access cruise control module, behind right kick panel. Disconnect cruise control module connector. Turn ignition switch to ON position. Shift transmission to drive or reverse. Using DVOM measure voltage at cruise control module terminal "J" (Blue/Yellow wire). If voltage exists, repair wiring between cruise control module and TR switch See WIRING DIAGRAMS  . If voltage does not exist, go to next step.
  2. Disconnect TR switch connector. Using DVOM, measure voltage at TR switch connector terminal "F" (Blue/Yellow wire). See Figure . If voltage is present, repair wiring harness. See WIRING DIAGRAMS  . If voltage is not present, go to next step.
  3. Test TR switch. See TRANSMISSION RANGE (TR) SWITCH  under COMPONENT TESTS. If TR switch is okay, proceed to next step. If switch is defective, replace or adjust as necessary.
  4. Inspect starter motor. See STARTERS article. If starter is okay, replace cruise control module. See CRUISE ACTUATOR  under REMOVAL & INSTALLATION. If starter is defective, repair or replace as necessary.
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