| CHECK DPF WARNING LIGHT ILLUMINATION HISTORY. |
| QUESTION | |
|
Has the DPF warning light illuminated before? | |
| Yes | No |
|
|
Perform the following operations, and go to the next step. • DPF maintenance (DPF regeneration) • Check the DPF pressure difference sensor pipe. • Check the exhaust temperature sensor 1 and exhaust temperature sensor 2 circuit. |
