DTC Troubleshooting: P0706 (6-2)

DTC P0706:  Open in Transmission Range Switch Circuit

For KB, KE, KG, and KQ Models


NOTE:

1.Check whether the DTC P0705 is indicated.

Is the DTC P0705 indicated?


YES - Perform the DTC P0705 troubleshooting, then go to 2 after troubleshooting.


NO - Go to 8.


2.Turn the ignition switch OFF.

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

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

7.Keep the ignition switch in ON (II) position, and check for DTC P0706.

Is the DTC P0706 indicated?


YES - Go to 8.


NO - Intermittent failure. The problem has been corrected.n

8.Test the transmission range switch.

Is the switch OK?


YES - Go to 9.


NO - Replace the transmission range switch.n


9.Connect the transmission range switch connector.

10.Turn the ignition switch OFF.

11.Check for continuity between PCM connector terminals A23 and body ground, and between A24 and body ground.

 

Is there continuity?


YES - Go to 12.


NO - Repair open in the wire between PCM connector terminals A23 and A24, and ground (G101), or repair poor ground (G101).n


12.Turn the ignition switch ON (II).

13.Shift to the D position.

14.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 15.


15.Shift to the R position.

16.Measure the voltage between PCM connector terminals 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 17.

17.Shift to the P or N position.

18.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 19.


19.Shift to the S position.

20.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 21.

21.Shift to the L position.

22.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 substitute a known-good PCM, then recheck. If the symptom/indication goes away with a known-good PCM, replace the original  PCM.n