Check Shift Indicator

Diagnosis: 

• CAN communication is abnormal with the combination meter.
• Combination meter malfunction

Trouble symptom: 

• Shift indicator does not display or remains displayed.
• Shift indicator display does not change.

1. CHECK DTC  .

   Read the DTC of [Transmission] using the Subaru Select Monitor. Refer to TRANSMISSION (DIAGNOSTICS)>Diagnostic Trouble Code (DTC) .

   Is DTC U0155 or U0423 displayed?

   Yes  : Check the combination meter. Refer to COMBINATION METER (DIAGNOSTICS)>Basic Diagnostic Procedure .

   No  : Go to  2.

2. CHECK DTC  .

   Read the DTC of [Transmission] using the Subaru Select Monitor. Refer to TRANSMISSION (DIAGNOSTICS)>Diagnostic Trouble Code (DTC) .

   Are DTCs other than DTC U0155, U0423 displayed?

   Yes  : Perform the diagnosis according to the DTC. Refer to TRANSMISSION (DIAGNOSTICS)>Diagnostic Trouble Code (DTC)>LIST .

   No  : Go to  3.

3. CHECK COMBINATION METER  .

   Read the DTC of [Combination Meter] using the Subaru Select Monitor. Refer to COMBINATION METER (DIAGNOSTICS)>Diagnostic Trouble Code (DTC) .

   Are any DTCs displayed?

   Yes  : Perform the diagnosis according to the DTC. Refer to COMBINATION METER (DIAGNOSTICS)>Diagnostic Trouble Code (DTC)>LIST .

   No  : Go to  4.

4. CHECK TCM  .
   1. Operate the + side of the paddle shift switch.
   2. Using the Subaru Select Monitor, read data of [Up Switch] in the [Data Monitor] of [Transmission]. Refer to TRANSMISSION (DIAGNOSTICS)>Data Monitor .

   Does the display switch between [ON] and [OFF] according to the operation?

   Yes  : Go to  5.

   No  : Check for poor contact between TCM and paddle shift UP switch, and repair the defective part.

5. CHECK TCM  .
   1. Operate the - side of the paddle shift switch.
   2. Using the Subaru Select Monitor, read data of [Down Switch] in the [Data Monitor] of [Transmission]. Refer to TRANSMISSION (DIAGNOSTICS)>Data Monitor .

   Does the display switch between [ON] and [OFF] according to the operation?

   Yes  : Go to  6.

   No  : Check for poor contact between TCM and paddle shift down switch, and repair the defective part.

6. CHECK TCM  .
   1. Turn the ignition switch OFF, then turn it ON again.
   2. Shift the select lever to manual mode.
   3. Using the Subaru Select Monitor, read data of [Shift step in Manual mode] in the [Data Monitor] of [Transmission]. Refer to TRANSMISSION (DIAGNOSTICS)>Data Monitor .

   Is "1" displayed?

   Yes  : Go to  7.

   No  : Perform the diagnosis according to DTC P0951. Refer to TRANSMISSION (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC P0951 AUTO SHIFT MANUAL CONTROL CIRCUIT RANGE/PERFORMANCE .

7. CHECK TCM  .
   1. Shift up the select lever.
   2. Using the Subaru Select Monitor, read data of [Shift step in Manual. mode] in the [Data Monitor] of [Transmission]. Refer to TRANSMISSION (DIAGNOSTICS)>Data Monitor .

   Is "2" displayed?

   Yes  : Current condition is normal.

   No  : Replace the TCM. Refer to CONTINUOUSLY VARIABLE TRANSMISSION (TR580)>TRANSMISSION CONTROL MODULE (TCM) . Refer to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>TRANSMISSION CONTROL MODULE (TCM) .