Nissan Juke Service and Repair Manual : P0525 ASCD system
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 in GI-44, "Circuit Inspection".
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace ground connection.
2.CHECK ASCD BRAKE SWITCH AND CLUTCH PEDAL POSITION SWITCH POWER SUPPLY CIRCUIT
1. Disconnect ACSD brake switch and clutch pedal position switch harness connectors.
2. Check the voltage between ACSD brake switch and clutch pedal position switch harness connectors and ground.
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
3.CHECK ASCD BRAKE SWITCH INPUT SIGNAL CIRCUIT AND CLUTCH PEDAL POSITION SWITCH GROUND CIRCUIT FOR OPEN AND SHORT
1. Check the continuity between ACSD brake switch harness connector and ECM harness connector.
2. Check the continuity between clutch pedal position switch harness connector and ground.
3. Also check harness for short to ground and short to power.
Is the inspection result normal? YES >> GO TO 4.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
4.CHECK ASCD BRAKE SWITCH AND CLUTCH PEDAL POSITION SWITCH
Refer to EC-959, "Component Inspection".
Is the inspection result normal? YES >> GO TO 5.
NO >> Replace ASCD brake switch or clutch pedal position switch.
5.CHECK INTERMITTENT INCIDENT
Refer to GI-42, "Intermittent Incident".
Is the inspection result normal? YES >> Replace ACSD brake switch or clutch pedal position switch.
NO >> Repair or replace.
Component Inspection
1.CHECK ASCD BRAKE SWITCH-I
1. Turn ignition switch OFF.
2. Disconnect ASCD brake switch harness connector.
3. Check the continuity between ASCD brake switch terminals under the following condition.
Is the inspection result normal? YES >> GO TO 2.
NO >> Replace ASCD brake switch.
2.CHECK CLUTCH PEDAL POSITION SWITCH-I
1. Turn ignition switch OFF.
2. Disconnect clutch pedal position switch harness connector.
3. Check the continuity between clutch pedal position switch terminals under the following condition.
the inspection result normal? YES >> INSPECTION END
NO >> Replace clutch pedal position switch.
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 ...P0530 refrigerant pressure sensor
DTC Logic DTC DETECTION LOGIC Diagnosis Procedure 1.CHECK GROUND CONNECTIONS 1. Turn ignition switch OFF. 2. Check ground connection E38. Refer to Ground inspection in GI-44, "Circuit In ...Other materials:
Reporting safety defects
For USA
If you believe that your vehicle has a defect which could cause a crash or could
cause injury or death, you should immediately inform the National Highway Traffic
Safety Administration (NHTSA) in addition to notifying NISSAN.
If NHTSA receives similar complaints, it may open an investi ...
Components
• THE LARGE ILLUSTRATIONS are exploded views (see the following) and
contain tightening torques, lubrication
points, section number of the PARTS CATALOG (e.g. SEC. 440) and other
information necessary to
perform repairs.
The illustrations should be used in reference to service matters only. ...
Wiring diagram
HORN
Wiring Diagram
For connector terminal arrangements, harness layouts, and alphabets in a
(option abbreviation; if not
described in wiring diagram), refer to GI-12, "Connector Information/Explanation
of Option Abbreviation".
...