Nissan Juke Service and Repair Manual : P0525 ASCD system

DTC Logic

DTC DETECTION LOGIC

Diagnosis Procedure


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?


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


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.


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?


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?


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:

    Interior room lamp control circuit
    Description Controls each interior room lamp (ground side) by PWM signal. NOTE: PWM signal control period is approximately 250 Hz (in the gradual brightening/dimming). Component Function Check CAUTION: Before performing the diagnosis, check that the following are normal. • Interior room l ...

    P0402 EGR volume control valve
    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 Inspection". Is the inspection result normal? YES >> GO TO 2. NO >> Repair or ...

    System
    NISSAN anti-theft system NISSAN ANTI-THEFT SYSTEM : System Diagram NISSAN ANTI-THEFT SYSTEM : System Description SYSTEM DESCRIPTION Nissan Anti-Theft System (NATS) has the following immobilizer functions: • NATS shows high anti-theft performance to prevent engine from starting by anyone oth ...