Nissan Juke Service and Repair Manual : HVAC 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 A/C auto amp. 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 A/C auto amp.

2. Check the resistance between the A/C auto amp. harness connector terminals.

- 4WD models

- 2WD models


- 2WD models

Is the measurement value within the specification?


Is the measurement value within the specification? YES >> GO TO 3.

NO >> Repair the A/C auto amp. branch line.

3.CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the A/C auto amp. Refer to the following.

• 4WD models: HAC-73, "A/C AUTO AMP. : Diagnosis Procedure" • 2WD models: HAC-162, "A/C AUTO AMP. : Diagnosis Procedure"

Is the inspection result normal? YES (Present error)>>Replace the A/C auto amp. Refer to the following.

• 4WD models: HAC-91, "Removal and Installation" • 2WD models: HAC-188, "Removal and Installation"

YES (Past error)>>Error was detected in the A/C auto amp. branch line.

NO >> Repair the power supply and the ground circuit.

    A-bag branch line circuit
    Diagnosis Procedure WARNING: • Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait 3 minutes or more. (To discharge backup capacitor.) • Never use unspecif ...

    MDU 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 multi display unit f ...

    Other materials:

    Door does not lock/unlock with intelligent key
    Diagnosis Procedure 1.CHECK DTC WITH BCM AND TCM Check that DTC is not detected with BCM and TCM. Is the inspection result normal? YES >> GO TO 2. NO-1 >> Refer to BCS-67, "DTC Index". (BCM) NO-2 >> Refer to TM-171, "DTC Index" (RE0F10B models) or TM-3 ...

    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 harness connector. 3. Check the continuity between EGR volume control valve terminal harness co ...

    Precaution Necessary for Steering Wheel Rotation after Battery Disconnect
    NOTE: • Before removing and installing any control units, first turn the ignition switch to the LOCK position, then disconnect both battery cables. • After finishing work, confirm that all control unit connectors are connected properly, then re-connect both battery cables. • Always use CONS ...