Nissan Juke Service and Repair Manual : 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 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 POWER SUPPLY CIRCUIT
1. Disconnect ACSD brake switch harness connector.
2. Check the voltage between ACSD brake switch harness connector 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 FOR OPEN AND SHORT
1. Check the continuity between ACSD brake switch harness connector and ECM harness connector.

2. 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
Refer to EC-957, "Component Inspection".
Is the inspection result normal? YES >> GO TO 5.
NO >> Replace ASCD brake switch.
5.CHECK INTERMITTENT INCIDENT
Refer to GI-42, "Intermittent Incident".
Is the inspection result normal? YES >> Replace ACSD brake 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 >> INSPECTION END
NO >> Replace ASCD brake switch.
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 ...
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 ...
Other materials:
Map lamp
Exploded View
1. Map lamp bulb housing
2. Bulb
3. Lens
: Pawl
Removal and Installation
CAUTION:
Disconnect the battery negative terminal or the fuse.
REMOVAL
1. Remove the lens (1).
• Insert a remover tool (A) into the gap between the lens.
• Disengage the lens fixing pawls, and then ...
P0112, P0113 IAT SENSOR
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always turn
ignition switch OFF and wait at
least 10 seconds before conducting the next test.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
...
P245A EGR cooler bypass valve control solenoid valve
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P245A is displayed with DTC P0560 or P0657, first perform trouble
diagnosis for DTC P0560 or P0657.
Refer to EC-963, "DTC Logic" (DTC P0560) or EC-976, "DTC Logic" (DTC P0657).
Diagnosis Procedure
1.CHECK GROUND CONNECTIONS
...
