RX8--Transmission (Manual & Auto)

INSPECT AT SOLENOID VALVE

CONNECTOR CIRCUIT FOR SHORT TO

POWER SUPPLY

• Turn the ignition switch to the ON
  position (engine off).


• Inspect the voltage at AT solenoid valve
  connector terminal K (wiring harness-
  side).


• Is the voltage 0 V?

No

Repair or replace the wiring harness, then go to

Step 13.

Yes

Repair or replace the wiring harness, then go to

the next step.

12

INSPECT TCM CIRCUIT FOR SHORT TO

GROUND

• Turn the ignition switch to the LOCK
  position.


• Inspect for continuity between the TCM
  (wiring harness-side) terminal 2X and
  body ground.


• Is there continuity?

No Go to the next step.

Yes

Replace the TCM, then go to the next step.

(See TCM REMOVAL/INSTALLATION .)

13

VERIFY TROUBLESHOOTING OF DTC

P0748 COMPLETED

• Make sure to reconnect all disconnected
  connectors.


• Clear the DTC from the TCM memory
  using the WDS or equivalent.


• Drive the vehicle in D range and make
  sure that the gears shift smoothly from
  1GR to 4GR.


• Is the same DTC present?

No Go to the next step.

Yes

Go to the applicable DTC inspection.

(See DTC TABLE .)

14

VERIFY AFTER REPAIR PROCEDURE

• Perform the "After Repair Procedure".

(See AFTER REPAIR PROCEDURE .)

• Are any DTCs present?

No DTC troubleshooting completed.

(w) RX-8 Transmission (Manual & Auto)