Nissan Juke Service and Repair Manual : Blower motor
Diagnosis Procedure
1.CHECK FUSE
1. Turn ignition switch OFF.
2. Check following fuses.
- 10A fuse [No. 15, located in fuse block (J/B)] - 15A fuses [Nos. 14 and 16, located in fuse block (J/B)]
NOTE
:
Refer to PG-22, "Fuse, Connector and Terminal Arrangement".
Is the inspection result normal? YES >> GO TO 2.
NO >> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
2.CHECK BLOWER MOTOR POWER SUPPLY
1. Disconnect blower motor connector.
2. Turn ignition switch ON.
3. Check voltage between blower motor harness connector and ground.
Is the inspection result normal? YES >> GO TO 4.
NO >> GO TO 3.
3.CHECK BLOWER RELAY
1. Turn ignition switch OFF.
2. Check blower relay. Refer to HAC-82, "Component Inspection (Blower Relay)".
Is the inspection result normal? YES >> Repair harness or connector between blower motor and fuse.
NO >> Replace blower relay.
4.CHECK BLOWER MOTOR CONTROL CIRCUIT
1. Turn ignition switch OFF.
2. Connect blower motor connector.
3. Disconnect power transistor connector.
4. Turn ignition switch ON.
5. Check voltage between power transistor harness connector and ground.
Is the inspection result normal? YES >> GO TO 6.
NO >> GO TO 5.
5.CHECK BLOWER MOTOR CONTROL CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect blower motor connector.
3. Check continuity between power transistor harness connector and blower motor harness connector.
Is the inspection result normal? YES >> Replace blower motor. Refer to VTL-15, "Removal and Installation (LHD models)" or VTL-16, "Removal and Installation (RHD models)".
NO >> Repair harness or connector.
6.CHECK A/C AUTO AMP. IGNITION POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect A/C auto amp.
3. Turn ignition switch ON.
4. Check voltage between A/C auto amp. harness connector and ground.
Is the inspection result normal? YES >> GO TO 7.
NO >> Repair harness or connector between A/C auto amp. and fuse.
7.CHECK POWER TRANSISTOR IGNITION POWER SUPPLY
Check voltage between power transistor harness connector and ground.
Is the inspection result normal? YES >> GO TO 8.
NO >> Repair harness or connector between power transistor and fuse.
8.CHECK POWER TRANSISTOR GROUND CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Check continuity between power transistor harness connector and ground.
Is the inspection result normal? YES >> GO TO 9.
NO >> Repair harness or connector.
9.CHECK POWER TRANSISTOR CONTROL SIGNAL
1. Connect blower motor connector and A/C auto amp. connector.
2. Turn ignition switch ON.
3. Set air outlet to VENT.
4. Change fan speed from 1st – 7th, and check duty ratios between blower motor harness connector and ground by using an oscilloscope.
NOTE
:
Calculate the drive signal duty ratio as shown in the figure.
T2 = Approx. 1.6 ms
Is the inspection result normal? YES >> Replace power transistor. Refer to HAC-97, "Removal and Installation".
NO >> GO TO 10.
10.CHECK POWER TRANSISTOR CONTROL SIGNAL CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect power transistor connector and A/C auto amp. connector.
3. Check continuity between power transistor harness connector and A/C auto amp. harness connector.
Is the inspection result normal? YES >> GO TO 11.
NO >> Repair harness or connector.
11.CHECK POWER TRANSISTOR CONTROL SIGNAL CIRCUIT FOR SHORT
Check continuity between power transistor harness connector and ground.
Is the inspection result normal? YES >> Replace A/C auto amp. Refer to HAC-91, "Removal and Installation".
NO >> Repair harness or connector.
Component Inspection (Blower Motor)
1.CHECK BLOWER MOTOR
1. Remove blower motor. Refer to VTL-15, "Removal and Installation (LHD models)" or VTL-16, "Removal and Installation (RHD models)".
2. Check that there is not any mixing foreign object in the blower motor.
Is the inspection result normal? YES >> GO TO 2.
NO >> Replace blower motor. Refer to VTL-15, "Removal and Installation (LHD models)" or VTL-16, "Removal and Installation (RHD models)".
2.CHECK BLOWER MOTOR
Check that there is not breakage or damage in the blower motor.
Is the inspection result normal? YES >> GO TO 3.
NO >> Replace blower motor. Refer to VTL-15, "Removal and Installation (LHD models)" or VTL-16, "Removal and Installation (RHD models)".
3.CHECK BLOWER MOTOR
Check that blower motor turns smoothly.
Is the inspection result normal? YES >> INSPECTION END
NO >> Replace blower motor. Refer to VTL-15, "Removal and Installation (LHD models)" or VTL-16, "Removal and Installation (RHD models)"
Component Inspection (Blower Relay)
1.CHECK BLOWER RELAY
1. Remove blower relay. Refer to PG-22, "Fuse, Connector and Terminal Arrangement".
2. Check continuity between blower relay terminal 3 and 5 when the voltage is supplied between terminal 1 and 2.
Is the inspection result normal? YES >> INSPECTION END
NO >> Replace blower relay.
Blower fan on signal
Component Function Check
1.CHECK BLOWER FAN ON SIGNAL
With CONSULT-III
1. Turn ignition switch ON.
2. Select “AIR CONDITIONER” of “BCM” using CONSULT-III.
3. Select “FAN ON SIG” in “DATA MONITOR” ...
Magnet clutch
Component Function Check
1.CHECK MAGNET CLUTCH OPERATION
Perform auto active test of IPDM E/R. Refer to PCS-12, "Diagnosis
Description" (with Intelligent Key) or PCS-
43, "Diagnosi ...
Other materials:
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 ...
Vehicle Recovery (Freeing a Stuck Vehicle)
FRONT
1. Remove the hook cover from the bumper using a remover tool.
2. Securely install the vehicle recovery hook stored with jacking
tools.
Check that the hook is properly secured in the stored place after use.
WARNING:
• Stand clear of a stuck vehicle.
• Never spin your tires at high spe ...
RHD
RHD : Wiring Diagram
For connector terminal arrangements, harness layouts, and alphabets in a
(option abbreviation; if not
described in wiring diagram), refer to GI-12, "Connector Information/Explanation
of Option Abbreviation".
...
