## DTC Troubleshooting: P1706 (6-1)

DTC P1706: | Open in Transmission Range Switch Circuit

NOTE: Record all freeze data before you troubleshoot.

1. | Check whether the DTC P1705 is indicated. Is the DTC P1705 indicated? YES - Perform the DTC P1705 troubleshooting, then go to step 2 after troubleshooting. NO - Go to 8.

2. | Turn the ignition switch OFF.

3. | Reset the PCM memory by removing the No. 20 ECU (15A) fuse in the under-dash fuse/relay box for more than 10 seconds.

4. | Start off in [D] position, and drive the vehicle until vehicle speed reaches 60 km/h (37 mph), then slow down and stop.

5. | Turn the ignition switch OFF, then turn it ON (II) again.

6. | Start off in [D] position, and drive the vehicle until vehicle speed reaches 60 km/h (37 mph), then slow down and stop.

7. | While remaining the ignition switch ON (II) position, recheck for DTC P1706? Is the DTC P1706 indicated? YES - Go to 8. NO - The problem has been corrected.n

8. | Test the transmission range switch. Is the switch OK? YES - Connect the transmission range switch connector, then go to 9. NO - Replace the transmission range switch.n

9. | Turn the ignition switch OFF.

10. | Check for continuity between PCM connector terminal A23 and body ground, and between terminal A24 and body ground. Are there continuity? YES - Go to 11. NO - Repair open in the wire PCM connector terminals A23 and A24, and ground (G101), or repair poor ground (G101).n

11. | Turn the ignition switch ON (II).

12. | Shift to [D] position.

13. | Measure the voltage between PCM connector terminals C20 and A23 or A24. Is there voltage? YES - Repair open in the wire between PCM connector terminal C20 and the transmission range switch.n NO - Go to 14.

14. | Shift to [R] position.

15. | Measure the voltage between PCM connector terminal C10 and A23 or A24. Is there voltage? YES - Repair open in the wire between PCM connector terminal C10 and the transmission range switch.n NO - Go to 16.

16. | Shift to [P] or [N] position.

17. | Measure the voltage between PCM connector terminals C12 and A23 or A24. Is there voltage? YES - Repair open in the wire between PCM connector terminal C12 and the transmission range switch.n NO - Go to 18.

18. | Shift to [S] position.

19. | Measure the voltage between PCM connector terminals C9 and A23 or A24. Is there voltage? YES - Repair open in the wire between PCM connector terminal C9 and the transmission range switch.n NO - Go to 20.

20. | Shift to [L] position.

21. | Measure the voltage between PCM connector terminals C11 and A23 or A24. Is there voltage? YES - Repair open in the wire between PCM connector terminal C11 and the transmission range switch.n NO - Update the PCM if it does not have the latest software, or subsutitute a known-good PCM, then recheck. If the symptom/ indication goes away with a known-good PCM, replace the original PCM.n