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Backup Lamp Switch: Testing and Inspection




Back-Up Light Switch Test

1. Disconnect the back-up light switch 2P connector (A).






2. Check for continuity between back-up light switch 2P connector terminals No. 1 and No. 2. There should be continuity when the shift lever is in reverse.

- If the test result is OK, go to step 5.
- If the test result is faulty, go to step 3.





3. Remove the back-up light switch (A). Check for continuity between back-up light switch 2P connector terminals No. 1 and No. 2. There should be continuity when the actuator (B) is pressed, and no continuity when the actuator is released. If the result is faulty, replace the back-up light switch. If the switch is OK, check the reverse shift piece in the transmission.

- If there is continuity, check the reverse shift mechanism in the transmission.
- If there is no continuity, replace the back-up light switch.









4. Install the removed or a new back-up light switch with a new washer (C).

5. Connect the back-up light switch 2P connector.

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