Nissan Versa Sedan. Instruction — part 494
OPERATION INSPECTION
HAC-31
< BASIC INSPECTION >
[MANUAL AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
1. Turn temperature control dial to full hot position.
2. Check that warm air blows from air outlets.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 8.
8.
CHECK SELF-DIAGNOSIS WITH CONSULT
1. Perform self-diagnosis with CONSULT.
2. Check that any DTC is detected.
Is any DTC detected?
YES
>> Perform trouble diagnosis for the detected DTC.
NO
>> Refer to
and perform the appropriate diagnosis.
HAC-32
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
A/C ON SIGNAL
DTC/CIRCUIT DIAGNOSIS
A/C ON SIGNAL
Component Function Check
INFOID:0000000009269793
1.
CHECK A/C ON SIGNAL
With CONSULT
1. Turn ignition switch ON.
2. Operate front blower motor.
3. Select “AIR CONDITIONER” of “BCM” using CONSULT.
4. Select “AIR COND SW” in “DATA MONITOR” mode, and check status under the following condition.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000009269794
Regarding Wiring Diagram information, refer to
1.
CHECK FUSE
1. Turn ignition switch OFF.
2. Check 10A fuse (No. 21, located in fuse block (J/B)].
NOTE:
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace the blown fuse after repairing the affected circuit.
2.
CHECK THERMO CONTROL AMP. POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect thermo control amp. connector.
3. Turn ignition switch ON.
4. Check voltage between thermo control amp. harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector between thermo control amp. and fuse.
3.
CHECK THERMO CONTROL AMP. GROUND CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Check continuity between thermo control amp. harness connector and ground.
Monitor item
Condition
Status
AIR COND SW
A/C switch
ON
On
OFF
Off
+
−
Voltage (V)
(Approx.)
Thermo control amp.
Connector
Terminal
M42
1
Ground
Battery voltage
A/C ON SIGNAL
HAC-33
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair harness or connector.
4.
CHECK A/C ON SIGNAL
1. Turn ignition switch ON.
2. Check output waveform between thermo control amp. harness connector and ground with using oscillo-
scope.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 6.
5.
CHECK FRONT AIR CONTROL
1. Turn ignition switch OFF.
2. Check front air control. Refer to
HAC-34, "Component Inspection"
.
Is the inspection result normal?
YES
>> Replace thermo control amp. Refer to
HAC-50, "Removal and Installation"
NO
>> Replace front air control. Refer to
HAC-48, "Removal and Installation"
.
6.
CHECK A/C ON SIGNAL CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect BCM and front air control connector.
3. Check continuity between thermo control amp. harness connector and BCM harness connector.
4. Check continuity between front air control harness connector and BCM harness connector.
Is the inspection result normal?
YES
BCS-69, "Removal and Installation"
or
BCS-122, "Removal and Installa-
.
Thermo control amp.
-
Continuity
Connector
Terminal
M42
2
Ground
Yes
+
−
Output waveform
Thermo control amp.
Connector
Terminal
M42
3
Ground
JPMIA0012GB
Thermo control amp.
BCM
Continuity
Connector
Terminal
Connector
Terminal
M42
3
M18 (without Intelligent Key system)
26
Yes
M97 (with Intelligent Key system)
Front air control
BCM
Continuity
Connector
Terminal
Connector
Terminal
M33
13
M18 (without Intelligent Key system)
27
Yes
M97 (with Intelligent Key system)
HAC-34
< DTC/CIRCUIT DIAGNOSIS >
[MANUAL AIR CONDITIONING]
A/C ON SIGNAL
NO
>> Repair harness or connector.
Component Inspection
INFOID:0000000009269795
1.
CHECK A/C CONTROL
Check continuity front air control terminals.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace front air control. Refer to
HAC-48, "Removal and Installation"
.
Terminal
Condition
Continuity
13
6
A/C switch: ON
Fan control dial: Except OFF position
Yes
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