TRANSMISSION RANGE (TR) SWITCH INSPECTION [SJ6A-EL]
2016 – MX-5 – Transmission/Transaxle
TRANSMISSION RANGE (TR) SWITCH INSPECTION [SJ6A-EL]
Operating Inspection
1. Verify that the engine starts only when the selector lever is in the P position or N position with the brake pedal depressed and that the engine does not start with the selector lever in other positions.
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If there is any malfunction, adjust the TR switch. (See TRANSMISSION RANGE (TR) SWITCH ADJUSTMENT [SJ6A-EL].)
2. Verify that the back-up lights turn on and the R position warning alarm sound is activated only when the selector lever is in the R position. In addition, verify that they do not operate in other positions.
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If there is any malfunction, adjust the TR switch. (See TRANSMISSION RANGE (TR) SWITCH ADJUSTMENT [SJ6A-EL].)
3. Shift the selector lever and verify that the shift position indication and selector lever position match.
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If there is any malfunction, adjust the TR switch. (See TRANSMISSION RANGE (TR) SWITCH ADJUSTMENT [SJ6A-EL].)
Continuity Inspection
CAUTION:
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Water or foreign objects entering the connector can cause a poor connection or corrosion. Be sure not to drop water or foreign objects on the connector when disconnecting it.
1. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION.)
2. Remove the selector lever knob. (See AUTOMATIC TRANSMISSION SHIFT MECHANISM REMOVAL/INSTALLATION.)
3. Remove the shift panel component. (See SHIFT PANEL REMOVAL/INSTALLATION.)
4. Remove the upper panel. (See UPPER PANEL REMOVAL/INSTALLATION.)
5. Remove the parking brake lever boot panel. (See PARKING BRAKE LEVER BOOT PANEL REMOVAL/INSTALLATION.)
6. Remove the rear console. (See REAR CONSOLE REMOVAL/INSTALLATION.)
7. Remove the front console panel. (See FRONT CONSOLE PANEL REMOVAL/INSTALLATION.)
8. Remove the front console component. (See FRONT CONSOLE REMOVAL/INSTALLATION.)
9. Disconnect the connector and wiring harness clip.
10. Place a clean rag behind the engine so that the engine does not contact the rear housing when it is tilted.
11. Remove the front crossmember under cover. (See FRONT CROSSMEMBER UNDER COVER REMOVAL/INSTALLATION.)
12. Disconnect the control rod from the selector lever component. (See AUTOMATIC TRANSMISSION SHIFT MECHANISM REMOVAL/INSTALLATION.)
13. Remove the tunnel member.
14. Disconnect the HO2S connector. (See HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION [SKYACTIV-G 2.0].)
15. Disconnect the TWC from the exhaust manifold (WU-TWC). (See EXHAUST SYSTEM REMOVAL/INSTALLATION [SKYACTIV-G 2.0].)
16. Suspend the TWC using a cable as shown in the figure.
17. Remove the power plant frame. (See POWER PLANT FRAME REMOVAL [M66M-D].) (See POWER PLANT FRAME INSTALLATION [M66M-D].)
18. Tilt the transmission while being careful not to allow parts on the back of the engine to contact the vehicle body.
19. Remove the insulator.
20. Disconnect the TR switch connector.
21. Verify that the continuity is as indicated in the table.
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If there is any malfunction, adjust the TR switch. (See TRANSMISSION RANGE (TR) SWITCH ADJUSTMENT [SJ6A-EL].)
22. Reinspect for continuity at TR switch.
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If there is any malfunction, replace the TR switch. (See TRANSMISSION RANGE (TR) SWITCH REMOVAL/INSTALLATION [SJ6A-EL].)