Diagnosis Procedure
WARNING: This page is about a different variant/trim than selected.
DIAGNOSIS PROCEDURE
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | CHECK DTC WITH ECM Perform "DTC check" with ECM. Refer to [SDT FUNCTION (ENGINE / POWERTRAIN) ] Is any malfunction detected by "DTC check"? |
Check the malfunctioning system. | GO TO 2. |
| 2 | CHECK TRANSFER CONTROL UNIT Check transfer control unit input/output signal. Refer to [TRANSFER CONTROL UNIT: REFERENCE VALUE ]. Are the inspection results normal? |
GO TO 3. | Check transfer control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace damaged parts. |
| 3 | CHECK DTC Perform "DTC check", after driving a vehicle for a while. Is DTC P1820 displayed? |
Perform "DTC check" with ECM again. | Inspection End. |