CHECK USAGE CONDITION.

Ask the customer about the following conditions.

• Driving is often ended before the warming-up of the engine is complete.

• Intensive acceleration is sometimes performed before the warming-up of the engine is complete.

• The vehicle is frequently driven in the low speed range, including when caught in a traffic congestion.

QUESTION

Is any condition relevant?

Yes No

Explain to the customer about the following.

• The DPF warning light may illuminate under these usage conditions.

• If the DPF warning light illuminates, the vehicle must be driven under the conditions described in the owner's manual.

Perform the following operations.

• Catalytic converter & DPF replacement

• DPF maintenance (DPF change)