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:
System
System Diagram
System Description
REFRIGERANT CYCLE
Refrigerant Flow
The refrigerant from the compressor, flows the condenser with liquid tank, the
evaporator, and returns to the
compressor. The refrigerant evaporation in the evaporator is controlled by an
expansion valve.
Freeze Prote ...
B261A Push-button ignition switch
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC B261A is displayed with DTC U1000, first perform the trouble diagnosis
for DTC U1000. Refer to
BCS-83, "DTC Logic".
• If DTC B261A is displayed with DTC U1010, first perform the trouble diagnosis
for DTC U1010. Refer to
BCS-84, &qu ...
Ecu diagnosis information
BCM (body control module)
Reference Value
VALUES ON THE DIAGNOSIS TOOL
TERMINAL LAYOUT
PHYSICAL VALUES
NOTE:
• *1: Without automatic A/C
• *2: RHD models
• *3: With manual A/C
• *4: LHD models
Fail-safe
FAIL-SAFE CONTROL BY DTC
BCM performs fail-sa ...
