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DTC P0705: Transaxle Range Sensor Circuit Malfunction (PRNDL Input): Troubleshooting

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2008 Suzuki Reno, 2008 Suzuki Forenza, 2007 Suzuki Reno, 2007 Suzuki Forenza, and 2006 Suzuki Reno. However, it is still accessible from the selected car via links, so may be relevant.
TROUBLESHOOTING REFERENCE CHART

Step Action Value (s) Yes No
1 Perform an On-Board Diagnostic (OBD II) System Check.
Is the check completed?		 - Go to Step 2 Go to ON-BOARD DIAGNOSTIC (OBD II) SYSTEM CHECK
2
  1. Install the scan tool.
  2. Turn the ignition ON.
  3. Record then clear DTC(s) and turn the ignition OFF, then turn the ignition ON.
  4. Applying the brakes and select each transaxle range (P, R, N, D, 3, 2, 1), while monitoring scan tool.

Refer to GEAR POSITION AND RANGE SIGNAL CHART .
Does each selected transaxle range match scan tool and signal range chart?		 - Go to Step 3 Go to DIAGNOSTIC AIDS
3 Inspect the F2 for open?
Was a problem found?		 - Go to Step 4 Go to Step 5
4 Replace the fuse as necessary.
Is the action complete?		 - System OK -
5 Inspect the TR switch. Refer to DIAGNOSTIC AIDS .
Was the problem found?		 - Go to Step 6 Go to Step 7
6 Replace the TR switch.
Is the action complete?		 - System OK -
7
  1. Disconnect the TR switch connector and TCM connector.
  2. Measure the resistance between terminal 3 of the TR switch and terminal C1 of the TCM connector.
  3. Measure the resistance between terminal 2 of the TR switch and terminal B15 of the TCM connector.
  4. Measure the resistance between terminal 4 of the TR switch and terminal B6 of the TCM connector.
  5. Measure the resistance between terminal 5 of the TR switch and terminal B11 of the TCM connector.

Is the resistance within the values shown?		 0 Ω Go to Step 9 Go to Step 8
8 Repair the malfunctioning terminals as necessary.
Is the action complete?		 - System OK -
9
  1. Turn the ignition ON.
  2. Measure the voltage of terminal 3.
  3. Measure the voltage of terminal 2.
  4. Measure the voltage of terminal 4.
  5. Measure the voltage of terminal 5.

Is the voltage within the values shown?		 11 - 14 V Go to Step 10 Go to Step 10
10 Repair the malfunctioning terminals as necessary.
Is the action complete?		 - System OK -
11 Replace the TCM.
Is The action complete?		 - Go to Step 12 -
12
  1. After the repair, use a scan tool "clear info" function and road test the vehicle.
  2. Review the "DTC info".

Has the last test failed or is the current DTC displayed?		 - Begin diagnosis again Repair verified exit DTC chart
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