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 using Subaru Select Monitor. Ref. to TRANSMISSION (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

   Is DTC U0155 or U0423 displayed?

   Yes:  Perform the self-diagnosis of combination meter.

   No:  Go to  2.

2. CHECK DTC. 

   Read the DTC using Subaru Select Monitor. Ref. to TRANSMISSION (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

   Are DTCs other than U0155 and U0423 displayed?

   Yes:  Perform the diagnosis according to the DTC. Ref. 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. Ref. to COMBINATION METER (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

   Are any DTCs displayed?

   Yes:  Perform the diagnosis according to the DTC. Ref. 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. Read the data of [Up Switch] using Subaru Select Monitor. Ref. to TRANSMISSION (DIAGNOSTICS)>DATA MONITOR .

   Does it change 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. Read the data of [Down Switch] using Subaru Select Monitor. Ref. to TRANSMISSION (DIAGNOSTICS)>DATA MONITOR .

   Does it change 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. Read the data of [Shift step in Manu. mode] using Subaru Select Monitor. Ref. to TRANSMISSION (DIAGNOSTICS)>DATA MONITOR .

   Is "1" displayed?

   Yes:  Go to  7.

   No:  Perform the diagnosis according to DTC P0951. Ref. to TRANSMISSION (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE>DTC P0951 AUTO SHIFT MANUAL CONTROL CIRCUIT RANGE/PERFORMANCE .

7. CHECK TCM. 
   1. Shift up the select lever.
   2. Read the data of [Shift step in Manu. mode] using Subaru Select Monitor. Ref. to TRANSMISSION (DIAGNOSTICS)>DATA MONITOR .

   Is "2" displayed?

   Yes:  Current condition is normal.

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