B-MAX 2012 – Engine Emission Control – 1.5L Duratorq-TDCi (55kW/75PS) – Engine Emission Control – Visual Inspection Chart

Engine Emission Control - 1.5L Duratorq-TDCi (55kW/75PS) - Engine Emission Control

B-MAX 2012.75 (01/2012-)

Diagnosis and Testing

General Equipment

Ford diagnostic equipment

Inspection and Verification

Verify the customer concern.

Visually inspect for obvious signs of mechanical or electrical damage.

Visual Inspection Chart

Mechanical	Electrical
EGR valve EGR valve outlet tube EGR valve tube clamp EGR cooler Gaskets/seals Hose(s)/hose joints PCV valve PCV oil separator	Electrical connector(s) Wiring harness EGR valve null (powertrain control module)

If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step

If the cause is not visually evident, verify the symptom and refer to the Diagnostic Trouble Code (DTC) Index Chart.

If no DTCs related to the concern are retrieved, proceed to the Symptom Chart to continue diagnosis.

Diagnostic Trouble Code (DTC) Index Chart

DTC	Description	Possible Source	Action
P1412	MIL illuminated	EGR valve	REFER to Excessive exhaust black smoke in the Symptom Chart
P0404	MIL illuminated	EGR valve	REFER to Excessive exhaust black smoke in the Symptom Chart

Symptom	Possible Sources	Action
Excessive exhaust black smoke	* EGR valve incorrect base setting. * EGR valve.	* REFER to the Ford diagnostic equipment.
Excessive crankcase pressure	* Blocked or damaged PCV hose(s). * Blocked PCV oil separator. * Blocked or damaged PCV valve.	* GO to Pinpoint Test A.
Excessive crankcase pressure	* Worn or damaged engine components.	* REFER to: Engine (303-01G Engine - 1.6L Duratorq-TDCi (70kW/95PS) (T3), Diagnosis and Testing).

TEST CONDITIONS	DETAILS/RESULTS/ACTIONS
PINPOINT TEST A : EXCESSIVE CRANKCASE PRESSURE
A1: CHECK THE POSITIVE CRANKCASE VENTILATION HOSE FOR BLOCKAGE
	1 Remove the air cleaner. REFER to: Air Cleaner (303-12F Intake Air Distribution and Filtering - 1.6L Duratorq-TDCi (70kW/95PS) (T3), Removal and Installation).
	2 Inspect the PCV hose for blockage.
	Is the PCV hose free from blockage? Yes GO to A2. No CLEAN or INSTALL a new PCV hose as necessary. TEST the system for normal operation. If the concern persists, GO to A2.
A2: CHECK THE POSITIVE CRANKCASE VENTILATION VALVE FOR DAMAGE.
	1 Inspect the PCV valve for damage or blockage.
	Is the PCV valve spring undamaged and the PCV valve free from blockage? Yes Test the system for normal operation. If the concern persists, REFER to: Engine (303-01G Engine - 1.6L Duratorq-TDCi (70kW/95PS) (T3), Diagnosis and Testing). No CLEAN the PCV oil separator and PCV valve assembly or INSTALL a new engine valve cover as necessary. Test the system for normal operation.

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