DTC Troubleshooting: P0705 (5)
DTC P0705:
 Short in Transmission Range Switch Circuit (Multiple Shift-position Input)
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. Start the engine.
  1. With the brake pedal pressed, move the shift lever through all positions. Stop for at least 1 second in each position.
  1. Monitor the OBD STATUS for P0705 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 intermittent short to body ground in the wires between the transmission range switch and the PCM. If the HDS indicates NOT COMPLETED, go to Step 3 .
  1. Turn the ignition switch to LOCK (0).
Is the switch OK?
YES -
With the switch connector disconnected, go to Step 8 .
NO -
  1. Turn the ignition switch to ON (II).
  1. Measure the voltage between transmission range switch connector terminals No. 6 and No. 10.
Is there more than 5 V?
YES -
Go to Step 15 .
NO -
Go to Step 10 .
  1. Turn the ignition switch to LOCK (0).
  1. Jump the SCS line with the HDS.
  1. Disconnect PCM connector B (44P).
  1. Check for continuity between PCM connector terminal B13 and body ground.
Is there continuity?
YES -
Repair short to body ground in the wire between PCM connector terminal B13 and the transmission range switch, then go to Step 45 .
NO -
Go to Step 14 .
  1. Check for continuity between transmission range switch connector terminal No. 10 and body ground.
Is there continuity?
YES -
Go to Step 52 .
NO -
  1. Measure the voltage between transmission range switch connector terminals No. 7 and No. 10.
Is there more than 5 V?
YES -
Go to Step 20 .
NO -
Go to Step 16 .
  1. Turn the ignition switch to LOCK (0).
  1. Jump the SCS line with the HDS.
  1. Disconnect PCM connector B (44P).
  1. Check for continuity between PCM connector terminal B14 and body ground.
Is there continuity?
YES -
Repair short to body ground in the wire between PCM connector terminal B14 and the transmission range switch, then go to Step 45 .
NO -
Go to Step 52 .
  1. Measure the voltage between transmission range switch connector terminals No. 2 and No. 10.
Is there more than 5 V?
YES -
Go to Step 25 .
NO -
Go to Step 21 .
  1. Turn the ignition switch to LOCK (0).
  1. Jump the SCS line with the HDS.
  1. Disconnect PCM connector B (44P).
  1. Check for continuity between PCM connector terminal B12 and body ground.
Is there continuity?
YES -
Repair short to body ground in the wire between PCM connector terminal B12 and the transmission range switch, then go to Step 45 .
NO -
Go to Step 52 .
  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 30 .
NO -
Go to Step 26 .
  1. Turn the ignition switch to LOCK (0).
  1. Jump the SCS line with the HDS.
  1. Disconnect PCM connector B (44P).
  1. Check for continuity between PCM connector terminal B21 and body ground.
Is there continuity?
YES -
Repair short to body ground in the wire between PCM connector terminal B21 and the transmission range switch, then go to Step 45 .
NO -
Go to Step 52 .
  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 35 .
NO -
Go to Step 31 .
  1. Turn the ignition switch to LOCK (0).
  1. Jump the SCS line with the HDS.
  1. Disconnect PCM connector B (44P).
  1. Check for continuity between PCM connector terminal B15 and body ground.
Is there continuity?
YES -
Repair short to body ground in the wire between PCM connector terminal B15 and the transmission range switch, then go to Step 45 .
NO -
Go to Step 52 .
  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 40 .
NO -
Go to Step 36 .
  1. Turn the ignition switch to LOCK (0).
  1. Jump the SCS line with the HDS.
  1. Disconnect PCM connector B (44P).
  1. Check for continuity between PCM connector terminal B28 and body ground.
Is there continuity?
YES -
Repair short to body ground in the wire between PCM connector terminal B28 and the transmission range switch, then go to Step 45 .
NO -
Go to Step 52 .
  1. Measure the voltage between transmission range switch connector terminals No. 1 and No. 10.
Is there more than 5 V?
YES -
Go to Step 52 .
NO -
Go to Step 41 .
  1. Turn the ignition switch to LOCK (0).
  1. Jump the SCS line with the HDS.
  1. Disconnect PCM connector B (44P).
  1. Check for continuity between PCM connector terminal B22 and body ground.
Is there continuity?
YES -
Repair short to body ground in the wire between PCM connector terminal B22 and the transmission range switch, then go to Step 45 .
NO -
Go to Step 52 .
  1. Reconnect all connectors.
  1. Turn the ignition switch to ON (II).
  1. Clear the DTC with the HDS.
  1. Start the engine.
  1. With the brake pedal pressed, move the shift lever through all positions. Stop for at least 1 second in each position.
  1. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0705 indicated?
YES -
Check for intermittent short to body ground in the wire between the transmission range switch and the PCM, then go to Step 1 .
NO -
Go to Step 51 .
  1. Monitor the OBD STATUS for P0705 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 50 , go to the indicated DTC's troubleshooting.■
NO -
If the HDS indicates FAILED, check for intermittent short to body ground in the wire between the transmission range switch and the PCM, then go to Step 1 . If the HDS indicates NOT COMPLETED, go to Step 48 .
  1. Reconnect all connectors.
  1. Start the engine.
  1. With the brake pedal pressed, move the shift lever through all positions. Stop for at least 1 second in each position.
  1. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0705 indicated?
YES -
Check for intermittent short to body ground in the wire between the transmission range switch and the PCM. If the PCM was updated, substitute a known-good PCM, then go to Step 54 . If the PCM was substituted, go to Step 1 .
NO -
Go to Step 57 .
  1. Monitor the OBD STATUS for P0705 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 56 , go to the indicated DTC's troubleshooting.■
NO -
If the HDS indicates FAILED, check for intermittent short to body ground in the wire between the transmission range switch and the PCM. If the PCM was updated, substitute a known-good PCM, then go to Step 54 . If the PCM was substituted, go to Step 1 . If the HDS indicates NOT COMPLETED, go to Step 54 .