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Home >> Subaru >> 2023 >> BRZ Limited, Automatic Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle System (Diagnostics) >> Inspection Mode >> Procedure >> Inspection Mode C
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Inspection Mode C

DTC Description & trouble part Condition
P1817 MANUAL SWITCH CIRCUIT LOW -

Diagnostic procedure:

  1. Start the engine.
  2. Check the readiness code of [Transmission] using Subaru Select Monitor and confirm that the diagnosis is not completed. Ref. to TRANSMISSION (DIAGNOSTICS)>ALL READINESS DIAGNOSTIC CODE(S) .
  3. Using the Subaru Select Monitor, perform the clear memory of [Transmission]. Ref. to COMMON (DIAGNOSTICS)>CLEAR MEMORY .
    CAUTION: After performing the clear memory, do not turn the ignition switch to OFF.
  4. Operate the stop light switch or the manual mode switch.
  5. Read the data of the stop light switch or the manual mode switch using the Subaru Select Monitor. Ref. to TRANSMISSION (DIAGNOSTICS)>DATA MONITOR . Or measure the terminal voltage.
  6. Check the readiness code of [Transmission] using Subaru Select Monitor and confirm that the diagnosis is completed. Ref. to TRANSMISSION (DIAGNOSTICS)>ALL READINESS DIAGNOSTIC CODE(S) .