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DTC P0711: Transaxle Fluid Temperature Sensor Circuit Range/Performance: 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, with the engine OFF.
  3. Record then clear DTC(s) and turn the ignition OFF, then turn the ignition ON.
  4. Select TFT on the scan tool.
  5. Drive the vehicle and observe the scan tool for either of the flowing conditions:
  6. The TFT does not change more than 1.5 °C (34.7 °F) in 80 seconds since start-up.
  7. The TFT changes more than 20 °C (68 °F) within 7 seconds (unrealistic change).

Did either of the fail conditions occur?		 - Go to Step 3 Go to DIAGNOSTIC AIDS
3
  1. Turn the ignition OFF.
  2. Disconnect the transaxle wiring connector.
  3. Measure the resistance between terminals 9 and 4 of the transaxle wiring connector.

Is the resistance within the values shown?		 TFT 25 °C (77 °F) 990 Ω Go to Step 7 Go to Step 4
4
  1. Remove the oil pan.
  2. Disconnect the wiring connector of the transaxle fluid temperature sensor.
  3. Inspect the automatic transaxle wiring harness for an intermittent short or open.

Was a problem found?		 - Go to Step 5 Go to Step 6
5 Replace the automatic transaxle wiring harness.
Is the replacement complete?		 - System OK -
6 Replace the TFT sensor.
Is the action complete?		 - System OK -
7
  1. Disconnect the automatic transaxle wiring connector and disconnect the wiring connector of the TCM (transaxle control module).
  2. Measure the resistance between terminal 4 of the transaxle wiring connector and terminal B1 of the TCM wiring connector.
  3. Measure the resistance between terminal 9 of the transaxle wiring connector and terminal A4 of the TCM wiring connector.

Is the resistance within the values shown?		 0 Ω Go to Step 9 Go to Step 8
8
  1. Inspect the automatic transaxle wiring harness for an intermittent short to ground or open condition.
  2. Inspect the automatic TFT sensor wiring harness for an intermittent short to ground or open condition.
  3. Repair the circuits if necessary.

Is the repair complete?		 - System OK -
9
  1. Turn the ignition ON.
  2. Measure the voltage of terminal A4 of the TCM wiring connector.
  3. Measure the voltage of terminal B1 of the TCM wiring connector.

Is the voltage within the values shown?		 9 - 16 V Go to Step 10 Go to Step 11
10
  1. Inspect the automatic transaxle wiring harness for an intermittent short to power.
  2. Inspect the automatic TFT sensor wiring harness for an intermittent short to power.
  3. Repair the circuits if necessary.

Is the repair complete?		 - System OK -
11 Replace the TCM.
Is the replacement 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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