CHECK USAGE CONDITION.

Ask the customer whether the vehicle was driven under the conditions described in the owner's manual after the DPF warning light was illuminated.

QUESTION

Was the vehicle driven under the conditions described in the owner's manual?

Yes No

Perform the following operations, and go to the next step.

• DPF maintenance (DPF regeneration)

• Inspection using “General Diagnostic Table”.

• Check the DPF pressure difference sensor pipe.

• Check the exhaust temperature sensor 1 and exhaust temperature sensor 2 circuit.