1.CHECK TCM. Check the DTC relating the TCM using the Subaru Select Monitor. | Is DTC U0155 or U0423 displayed- | Perform the self-diagnosis of combination meter. | AWD Warning Light Display > INSPECTION |
2.CHECK TCM. Check the DTC relating the TCM using the Subaru Select Monitor. | Are DTCs other than U0155 and U0423 displayed- | Perform the diagnosis according to DTC. | AWD Warning Light Display > INSPECTION |
3.CHECK COMBINATION METER. Check the DTC of combination meter. | | Perform the diagnosis according to DTC. | Diagnostic Procedure without Diagnostic Trouble Code (DTC) > CHECK SHIFT INDICATOR |
4.CHECK AWD LIGHT. Turn the ignition switch to ON. | Does AWD light illuminate and then go off in 2 seconds- | AWD Warning Light Display > INSPECTION | Perform the self-diagnosis of combination meter. Combination Meter System > OPERATION |
5.CHECK AWD LIGHT. Start the engine. | Does the AWD light go off- | Current condition is normal. Go back to Basic Diagnostic Procedure. Basic Diagnostic Procedure | AWD Warning Light Display > INSPECTION |
6.CHECK DTC. Read the DTC relating the TCM using the Subaru Select Monitor. | | Perform the diagnosis according to DTC. | AWD Warning Light Display > INSPECTION |
7.CHECK AWD LIGHT. Check the display of AWD light after engine start. | Is AWD light illuminating- | AWD Warning Light Display > INSPECTION | AWD Warning Light Display > INSPECTION |
8.CHECK AWD LIGHT. Check the display of AWD light after engine start. | Is AWD light blinking at 2 Hz- | AWD Warning Light Display > INSPECTION | AWD Warning Light Display > INSPECTION |
9.CHECK AWD ON/OFF SWITCHING FUNCTION. Using the Subaru Select Monitor, select the «AWD ON/OFF switching mode» in «Work Support» display, and check the current mode. AWD ON/OFF Switching Mode | Is the message «At present, the vehicle is in AWD. Switch to FF-» displayed- | AWD Warning Light Display > INSPECTION | If the message «At present, the vehicle is in FF. Switch to AWD-» is displayed, select “OK”, and switch to AWD mode. |
10.CHECK REAR DIFFERENTIAL. Using the Subaru Select Monitor, select and check «Rear differential inspection mode» in «Work Support» display. Rear Differential Inspection Mode | Does AWD light go off after inspection is finished normally- | Current condition is normal. Go back to Basic Diagnostic Procedure. Basic Diagnostic Procedure | AWD Warning Light Display > INSPECTION |
11.CHECK COMBINATION METER. Perform the self-diagnosis of combination meter. Combination Meter System > OPERATION | Is there any trouble with the combination meter- | Repair the combination meter. | Replace the TCM. Transmission Control Module (TCM) Transmission Control Module (TCM) |