DTC Troubleshooting: P0706 (6)
DTC P0706:
 Open in Transmission Range Switch Circuit
NOTE:
  • Before you troubleshoot, record all freeze data and any on-board snapshot with the HDS, and review General Troubleshooting Information.
  • This code is caused by an electrical circuit problem and cannot be caused by a mechanical problem in the transmission.
R20A3 Engine Model
  1. Turn the ignition switch to ON (II).
  1. Clear the DTC with the HDS.
  1. Raise the front of the vehicle, make sure it is securely supported, and allow the front wheels to rotate freely. Or raise the vehicle on a lift.
  1. Start the engine, disable the VSA by pressing the VSA OFF switch, run the vehicle with the shift lever in D until the vehicle speed reaches 40 km/h (25 mph), then slow down and stop the wheels.
  1. Monitor the OBD STATUS for P0706 in the DTCs MENU with the HDS.
Does the HDS indicate FAILED?
YES -
Go to Step 6 .
NO -
If the HDS indicates PASSED, intermittent failure, the system is OK at this time. Check for poor connections or loose terminals between the transmission range switch and the PCM. If the HDS indicates NOT COMPLETED, go to Step 4 .
  1. Turn the ignition switch to LOCK (0).
Is the switch OK?
YES -
Go to Step 8 .
NO -
  1. Turn the ignition switch to ON (II).
  1. Clear the DTC with the HDS.
  1. Start the engine, disable the VSA by pressing the VSA OFF switch, run the vehicle with the shift lever in D until the vehicle speed reaches 40 km/h (25 mph), then slow down and stop the wheels.
  1. Monitor the OBD STATUS for P0706 in the DTCs MENU with the HDS.
Does the HDS indicate FAILED?
YES -
Go to Step 13 .
NO -
If the HDS indicates PASSED, troubleshooting is complete. If the HDS indicates NOT COMPLETED, go to Step 11 .
  1. Shift to D, and check the Forward Switch (ATP FWD) and the A/T D Switch in the Data List with the HDS.
Are Forward Switch (ATP FWD) and A/T D Switch ON?
YES -
Go to Step 14 .
NO -
Go to Step 18 .
  1. Shift to S, and check the Forward Switch (ATP FWD) and the A/T S Switch in the Data List with the HDS.
Are Forward Switch (ATP FWD) and A/T S Switch ON?
YES -
Go to Step 15 .
NO -
Go to Step 18 .
  1. Clear the DTC with the HDS.
  1. Start the engine, disable the VSA by pressing the VSA OFF switch, run the vehicle with the shift lever in D until the vehicle speed reaches 40 km/h (25 mph), then slow down and stop the wheels.
  1. Monitor the OBD STATUS for P0706 in the DTCs MENU with the HDS.
Does the HDS indicate FAILED?
YES -
Go to Step 18 .
NO -
If the HDS indicates PASSED, intermittent failure, the system is OK at this time. Check for poor connections or loose terminals between the transmission range switch and the PCM. If the HDS indicates NOT COMPLETED, go to Step 16 .
  1. Turn the ignition switch to LOCK (0).
  1. Disconnect the transmission range switch connector.
  1. Check for continuity between transmission range switch connector terminal No. 10 and body ground.
Is there continuity?
YES -
Go to Step 21 .
NO -
  1. Turn the ignition switch to ON (II).
  1. Measure the voltage between transmission range switch connector terminals No. 5 and No. 10.
Is there more than 5 V?
YES -
Go to Step 23 .
NO -
Repair open in the wire between the transmission range switch and PCM connector terminal B28, then go to Step 25 .
  1. Measure the voltage between transmission range switch connector terminals No. 8 and No. 10.
Is there more than 5 V?
YES -
Go to Step 24 .
NO -
Repair open in the wire between the transmission range switch and PCM connector terminal B21, then go to Step 25 .
  1. Measure the voltage between transmission range switch connector terminals No. 3 and No. 10.
Is there more than 5 V?
YES -
Go to Step 31 .
NO -
Repair open in the wire between the transmission range switch and PCM connector terminal B15, then go to Step 25 .
  1. Reconnect all connectors.
  1. Turn the ignition switch to ON (II).
  1. Clear the DTC with the HDS.
  1. Start the engine, disable the VSA by pressing the VSA OFF switch, run the vehicle with the shift lever in D until the vehicle speed reaches 48 km/h (30 mph), then slow down and stop the wheels.
  1. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0706 indicated?
YES -
Check for poor connections or loose terminals between the transmission range switch and the PCM, then go to Step 1 .
NO -
Go to Step 30 .
  1. Monitor the OBD STATUS for P0706 in the DTCs MENU with the HDS.
Does the HDS indicate PASSED?
YES -
Troubleshooting is complete. If any other Temporary DTCs or DTCs were indicated in Step 29 , go to the indicated DTC's troubleshooting.■
NO -
If the HDS indicates FAILED, check for poor connections or loose terminals between the transmission range switch and the PCM, then go to Step 1 . If the HDS indicates NOT COMPLETED, go to Step 28 .
  1. Reconnect all connectors.
  1. Start the engine, disable the VSA by pressing the VSA OFF switch, run the vehicle with the shift lever in D until the vehicle speed reaches 48 km/h (30 mph), then slow down and stop the wheels.
  1. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0706 indicated?
YES -
Check for poor connections or loose terminals between the transmission range switch and the PCM. If the PCM was updated, substitute a known-good PCM, then go to Step 33 . If the PCM was substituted, go to Step 1 .
NO -
Go to Step 35 .
  1. Monitor the OBD STATUS for P0706 in the DTCs MENU with the HDS.
Does the HDS indicate PASSED?
YES -
If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM. If any other Temporary DTCs or DTCs were indicated in Step 34 , go to the indicated DTC's troubleshooting.■
NO -
If the HDS indicates FAILED, check for poor connections or loose terminals between the transmission range switch and the PCM. If the PCM was updated, substitute a known-good PCM, then go to Step 33 . If the PCM was substituted, go to Step 1 . If the HDS indicates NOT COMPLETED, go to Step 33 .