Nissan Juke Service and Repair Manual : ECM branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the ECM for damage, bend and loose connection (unit side and connector side).
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair the terminal and connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of ECM.
2. Check the resistance between the ECM harness connector terminals.
- HR16DE models
- MR16DDT models
- K9K models
Is the measurement value within the specification? YES >> GO TO 3.
NO >> Repair the ECM branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the ECM. Refer to the following.
• HR16DE: EC-566, "Diagnosis Procedure" • MR16DDT: EC-155, "Diagnosis Procedure" • K9K: EC-885, "Diagnosis Procedure"
Is the inspection result normal? YES (Present error)>>Replace the ECM. Refer to the following.
• HR16DE: EC-805, "Removal and Installation" • MR16DDT: EC-447, "Removal and Installation" • K9K: EC-879, "Work Procedure"
YES (Past error)>>Error was detected in the ECM branch line.
NO >> Repair the power supply and the ground circuit.
Main line betweeN DLC and MDU circuit
Diagnosis Procedure 1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT) 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Disconnect the following harness conne ...4WD branch line circuit
Diagnosis Procedure 1.CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the following terminals and connectors for damage, bend ...Other materials:
C1121, C1123, C1125, C1127 ABS out valve system
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.CHECK DTC DETECTION
With CONSULT ...
Power door lock system
System Diagram
System Description
DOOR LOCK FUNCTION
• The door lock and unlock switch (driver side) is build into power window
main switch.
• Interlocked with the locking operation of door lock and unlock switch, door
lock actuators of all doors are
locked.
• Interlocked with the unlock ...
P1805 brake switch
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Fully depress the brake pedal for at least 5 seconds.
3. Erase the DTC.
4. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Proceed to EC-374, "Dia ...