AWD Warning Light Display: Inspection
DIAGNOSIS:
- CAN communication is lost with the combination meter.
- Combination meter malfunction
TROUBLE SYMPTOM:
- When the ignition switch is turned to ON, the AWD light does not illuminate.
- AWD light remains lit after engine start.
- AWD light is blinking immediately after engine start.
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK DTC. Read the DTC relating the TCM using the Subaru Select Monitor. |
Is DTC U0155 or U0423 displayed? | Perform the self-diagnosis of combination meter. | Go to step 2 . |
| 2 CHECK DTC. Read the DTC relating the TCM using the Subaru Select Monitor. |
Are DTCs other than U0155 and U0423 displayed? | Perform the diagnosis according to DTC. | Go to step 3 . |
| 3 CHECK COMBINATION METER. Read DTC of combination meter. |
Is DTC displayed? | Perform the diagnosis according to DTC. | Go to step 4 . |
| 4 CHECK AWD LIGHT. Turn the ignition switch to ON. |
Does AWD light illuminate and then go off in 2 seconds? | Go to step 5. | Perform the self-diagnosis of combination meter. <Ref. to SELF-DIAGNOSIS DISPLAY MODE , OPERATION, Combination Meter System.> |
| 5 CHECK AWD LIGHT. Start the engine. |
Does the AWD light go off? | Current condition is normal. Go back to Basic Diagnostic Procedure. <Ref. to BASIC DIAGNOSTIC PROCEDURE .> | Go to step 6 . |
| 6 CHECK DTC. Read the DTC relating the TCM using the Subaru Select Monitor. |
Is DTC displayed? | Perform the diagnosis according to DTC. | Go to step 7 . |
| 7 CHECK COMBINATION METER. Perform the self-diagnosis of combination meter. <Ref. to SELF-DIAGNOSIS DISPLAY MODE , OPERATION, Combination Meter System.> |
Is there any trouble with the combination meter? | Repair the combination meter. | Replace the TCM. <Ref. to Transmission Control Module (TCM) .> |