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DTC P1866: EDS 5 Output Open: 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. Select "Actuating" on the scan tool.
  4. Actuate EDS 5 ON/OFF.

Does the EDS 5 change ON/OFF?		 ON/OFF Go to DIAGNOSTIC AIDS Go to Step 3
3
  1. Turn the ignition OFF.
  2. Disconnect the transaxle wiring connector.
  3. Measure the resistance between terminals 5 and 10 of the transaxle wiring connector.

Is the resistance within the values shown?		 TFT 25 °C (77 °F) 6 Ω Go to Step 7 Go to Step 4
4
  1. Remove the oil pan.
  2. Disconnect the wiring connector of EDS 5.
  3. Measure the resistance between terminal 2 of the EDS 5 and terminal 5 of the transaxle connector.
  4. Measure the resistance between terminal 1 of the EDS 5 and terminal 10 of the transaxle connector.

Is the resistance within the values shown?		 0 Ω Go to Step 6 Go to Step 5
5
  1. Repair the circuit (between terminal 2 and terminal 5) for an open.
  2. Repair the circuit (between terminal 1 and terminal 10) for an open.

Is the repair complete?		 - System OK -
6 Replace the EDS 5.
Is the replacement complete?		 - System OK -
7
  1. Disconnect the transaxle wiring connector and TCM connector.
  2. Measure the resistance between terminal 5 of the transaxle wiring connector and terminal C7 of the TCM wiring connector.
  3. Measure the resistance between terminal 10 of the transaxle wiring connector and terminal A10 of the TCM wiring connector.

Is the resistance within the values shown?		 0 Ω Go to Step 9 Go to Step 8
8 Repair the transaxle wiring harness for an open.
Is the repair complete?		 - System OK -
9 Replace the TCM.
Is the replacement complete?		 - Go to Step 10 -
10
  1. After the repair, use a scan tool "clear info" function and road tests 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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