Nissan Rogue. Manual — part 787
HAC-170
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
FRONT BLOWER MOTOR
Is the inspection result normal?
YES
>> Replace variable blower control. Refer to
HAC-188, "Removal and Installation"
.
NO
>> GO TO 8.
8.
CHECK VARIABLE BLOWER CONTROL SIGNAL CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect variable blower control connector and front air control connector.
3. Check continuity between variable blower control harness connector and front air control harness connec-
tor.
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> Repair harness or connector.
9.
CHECK VARIABLE BLOWER CONTROL SIGNAL CIRCUIT FOR SHORT
Power transistor
Condition
Connector
Terminal
Blower
control dial
detents
VENT
B/L
D/F1
D/F2
DEF
Voltage
M146
2
Ground
OFF
0.00 volts
0.00 volts
0.00 volts
0.00 volts
0.00 volts
1
4.00 volts
4.00 volts
4.00 volts
4.00 volts
4.00 volts
2
4.75 volts
4.75 volts
4.75 volts
4.75 volts
4.75 volts
3
5.00 volts
5.00 volts
5.25 volts
5.25 volts
5.25 volts
4
5.50 volts
5.50 volts
5.50 volts
5.50 volts
5.50 volts
5
5.75 volts
5.75 volts
6.00 volts
6.00 volts
6.00 volts
6
6.25 volts
6.25 volts
6.25 volts
6.25 volts
6.25 volts
7
6.50 volts
6.50 volts
6.75 volts
6.75 volts
6.75 volts
8
6.75 volts
6.75 volts
7.00 volts
7.00 volts
7.00 volts
9
7.25 volts
7.25 volts
7.50 volts
7.50 volts
7.50 volts
10
7.50 volts
7.50 volts
7.75 volts
7.75 volts
7.75 volts
11
8.00 volts
8.00 volts
8.25 volts
8.25 volts
8.25 volts
12
8.25 volts
8.25 volts
8.50 volts
8.50 volts
8.50 volts
13
8.50 volts
8.50 volts
9.00 volts
9.00 volts
9.00 volts
14
9.00 volts
9.00 volts
9.25 volts
9.25 volts
9.25 volts
15
9.25 volts
9.25 volts
9.75 volts
9.75 volts
9.75 volts
16
9.75 volts
9.75 volts
10.00 volts
10.00 volts
10.00 volts
17
10.00 volts
10.00 volts
10.50 volts
10.50 volts
10.50 volts
18
10.50 volts
10.50 volts
10.75 volts
10.75 volts
10.75 volts
19
10.75 volts
10.75 volts
11.25 volts
11.25 volts
11.25 volts
20
11.00 volts
11.00 volts
11.50 volts
11.50 volts
11.50 volts
21
11.50 volts
11.50 volts
12.00 volts
12.00 volts
12.00 volts
22
11.75 volts
11.75 volts
12.25 volts
12.25 volts
12.25 volts
23
12.25 volts
12.25 volts
12.75 volts
12.75 volts
12.75 volts
24
12.50 volts
12.50 volts
13.00 volts
13.00 volts
13.00 volts
12 = Max blower voltage
Variable blower control
Front air control
Continuity
Connector
Terminal
Connector
Terminal
M146
2
M50
1
Yes
FRONT BLOWER MOTOR
HAC-171
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
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HAC
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Check continuity between variable blower control harness connector and ground.
Is the inspection result normal?
YES
>> Replace front air control. Refer to
HAC-182, "Removal and Installation"
.
NO
>> Repair harness or connector.
Component Inspection (Front Blower Motor)
INFOID:0000000011276707
1.
CHECK FRONT BLOWER MOTOR
1. Connect battery voltage to terminal 1 of front blower motor.
2. Connect ground to terminal 2 of front blower motor.
Does the blower fan operate?
YES
>> Intermittent incident. Refer to
GI-44, "Intermittent Incident"
.
NO
>> Replace front blower motor. Refer to
VTL-16, "Removal and Installation"
Component Inspection (Front Blower Relay)
INFOID:0000000011276708
1.
CHECK FRONT BLOWER RELAY
1. Turn ignition switch OFF.
2. Remove front blower relay.
3. Check continuity between front blower relay terminals 3 and 5
when voltage is supplied between terminals 1 and 2.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace front blower relay.
Variable blower control
—
Continuity
Connector
Terminal
M146
2
Ground
No
Terminals
Voltage
Continuity
3
5
ON
Yes
OFF
No
JSIIA1551ZZ
HAC-172
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
MAGNET CLUTCH
MAGNET CLUTCH
Component Function Check
INFOID:0000000011276709
1.
CHECK MAGNET CLUTCH OPERATION
Perform “COMPRESSOR” in “Active Test” of “IPDM E/R”. Refer to
HAC-129, "CONSULT Function (IPDM E/
.
Does it operate normally?
YES
>> Inspection End.
NO
>> Refer to
HAC-172, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000011276710
Regarding Wiring Diagram information, refer to
1.
CHECK FUSE
1. Turn ignition switch OFF.
2. Check 15A fuse (No. 40, located in IPDM E/R).
NOTE:
PG-68, "IPDM E/R Terminal Arrangement"
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace the blown fuse after repairing the affected circuit.
2.
CHECK MAGNET CLUTCH POWER SUPPLY CIRCUIT
1. Disconnect A/C compressor connector and IPDM E/R connector.
2. Check continuity between A/C compressor harness connector and IPDM E/R harness connector.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK MAGNET CLUTCH GROUND CIRCUIT
1. Disconnect A/C compressor connector.
2. Check continuity between A/C compressor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair harness or connector.
4.
CHECK MAGNET CLUTCH
Directly apply battery voltage to the magnet clutch. Check operation visually and by sound.
Does it operate normally?
YES
>> Replace IPDM E/R. Refer to
PCS-40, "Removal and Installation"
NO
>> Replace magnet clutch. Refer to
HA-29, "Removal and Installation"
.
A/C compressor
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
F27
1
F35
65
Yes
A/C compressor
Continuity
Connector
Terminal
F27
2
Ground
Yes
ECV (ELECTRICAL CONTROL VALVE)
HAC-173
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
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ECV (ELECTRICAL CONTROL VALVE)
Diagnosis Procedure
INFOID:0000000011276711
Regarding Wiring Diagram information, refer to
1.
CHECK ECV (ELECTRICAL CONTROL VALVE) POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect A/C compressor connector.
3. Turn ignition switch ON.
4. Check voltage between A/C compressor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK FUSE
1. Turn ignition switch OFF.
2. Check 10A fuse [No. 50, located in IPDM E/R]. Refer to
PG-68, "IPDM E/R Terminal Arrangement"
Is the inspection result normal?
YES
>> Repair harness or connector.
NO
>> Replace the blown fuse after repairing the affected circuit.
3.
CHECK ECV CONTROL SIGNAL CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector.
3. Check continuity between A/C compressor harness connector and IPDM E/R harness connector.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair harness or connector.
4.
CHECK ECV CONTROL SIGNAL CIRCUIT FOR SHORT
Check continuity between A/C compressor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair harness or connector.
5.
CHECK ECV
Check ECV. Refer to
HAC-174, "Component Inspection"
.
+
−
Voltage
(Approx.)
A/C compressor
Connector
Terminal
F15
3
Ground
Battery voltage
A/C compressor
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
F15
4
F42
98
Yes
A/C compressor
—
Continuity
Connector
Terminal
F15
4
Ground
No
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