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:
System description
VENTILATION SYSTEM
System Description
OUTLINE
Ventilation system is controlled by A/C auto amp. (AUTOMATIC AIR
CONDITIONING) or A/C control (MANUAL
AIR CONDITIONING and MANUAL HEATER). For details of air conditioner system,
refer to HAC-17,
"System Description" (AUTOMATIC AIR COND ...
Door lock and unlock switch
Driver side : Component Function Check
1.CHECK FUNCTION
1. Select “DOOR LOCK” of “BCM” using CONSULT-III.
2. Select “CDL LOCK SW”, “CDL UNLOCK SW” in “DATA MONITOR” mode.
3. Check that the function operates normally according to the following
conditions.
Is the inspection result normal?
YE ...
Warning lights and audible reminders
To help prevent the vehicle from moving unexpectedly by erroneous operation of
the Intelligent Key listed on the following chart or to help prevent the vehicle
from being stolen, chime or beep sounds inside and outside the vehicle and a warning
light illuminates or blinks.
When a chime or bee ...
