Nissan Juke Service and Repair Manual : P0488 EGR system
DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
1.CHECK EGR VOLUME CONTROL VALVE CONTROL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect EGR volume control valve harness connector and ECM harness connector.
3. Check the continuity between EGR volume control valve terminal harness connector and ECM harness connector.
4. Also check harness for short to ground and short to power.
OK or NG OK >> GO TO 2.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
2.CHECK EGR VOLUME CONTROL VALVE
Refer to EC-954, "Component Inspection".
OK or NG OK >> GO TO 3.
NG >> Replace EGR volume control valve. Refer to EC-881, "Work Procedure".
3.CHECK EGR VOLUME CONTROL VALVE CONTROL POSITION SENSOR
Refer to EC-954, "Component Inspection".
OK or NG OK >> GO TO 4.
NG >> Replace EGR volume control valve. Refer to EC-881, "Work Procedure".
4.CHECK INTERMITTENT INCIDENT
Refer to GI-42, "Intermittent Incident".
>> INSPECTION END
Component Inspection
EGR VOLUME CONTROL VALVE
1. Disconnect EGR volume control valve harness connector.
2. Check resistance EGR volume control valve harness connector.
If NG, replace EGR volume control valve. Refer to EC-881, "Work Procedure".
EGR VOLUME CONTROL VALVE CONTROL POSITION SENSOR
1. Disconnect EGR volume control valve harness connector.
2. Check continuity EGR volume control valve harness connector.
If NG, replace EGR volume control valve. Refer to EC-881, "Work Procedure".
P0487 EGR volume control valve
DTC Logic DTC DETECTION LOGIC Diagnosis Procedure 1.CHECK EGR VOLUME CONTROL VALVE CONTROL CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect EGR volume control valve harness connector and ECM ...P0504 ASCD brake SWI
DTC Logic DTC DETECTION LOGIC Diagnosis Procedure 1.CHECK GROUND CONNECTIONS 1. Turn ignition switch OFF and wait at least 20 seconds. 2. Check ground connection E38. Refer to Ground inspection ...Other materials:
Camera image signal circuit
Description
• The NAVI control unit supplies power to the rear view camera when receiving
a reverse signal.
• The rear view camera transmits camera images to the NAVI control unit when
power is supplied from the
NAVI control unit.
Diagnosis Procedure
1.CHECK CONTINUITY CAMERA POWER SUPPLY C ...
Camshaft valve clearance
Valve Clearance
CHECKING AND ADJUSTING THE VALVE CLEARANCE
1. Install the tappet.
2. Install the camshaft.
3. Install the camshaft brackets.
: 11 N·m (1.1 kg-m, 8 ft-lb)
4. Place the valves of the cylinder concerned at the “end of
exhaust - beginning of inlet” position and check the clearance ...
Diagnosis and repair work flow
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.GET INFORMATION ABOUT SYMPTOM
Get the detailed information from the customer about the symptom (the
condition and the environment when
the incident/malfunction occurred).
>> GO TO 2.
2.CHECK DTC
1. Check DTC for “ENGINE” and “BCM” usin ...