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:
Unbalance steering wheel turning force and return between
right and left
Description
Unbalance steering wheel turning force and return between right and left.
Diagnosis Procedure
1.CHECK THE ILLUMINATION OF THE EPS WARNING LAMP
Check the EPS warning lamp while engine is running.
Does the EPS warning lamp turn OFF?
YES >> GO TO 2.
NO >> Refer to STC ...
P1212 TCS communication line
Description
This CAN communication line is used to control the smooth engine operation
during the TCS operation. Pulse
signals are exchanged between ECM and “ABS actuator and electric unit (control
unit)”.
Be sure to erase the malfunction information such as DTC not only for “ABS
actuator ...
ASCD brake switch
Component Function Check
1.CHECK ASCD BRAKE SWITCH FUNCTION
With CONSULT-III
1. Turn ignition switch ON.
2. Select “ENGINE” using CONSULT-III.
3. Select “BRAKE SW1” in “DATA MONITOR” mode.
4. Check “BRAKE SW1” indication under the following conditions.
Without CONSULT-III
1. Turn ignition ...
