Nissan Sentra. Instruction — part 654
MWI-62
< DTC/CIRCUIT DIAGNOSIS >
AMBIENT SENSOR SIGNAL CIRCUIT
AMBIENT SENSOR SIGNAL CIRCUIT
Description
INFOID:0000000009758289
It detects outside air temperature and converts it into a resistance value which is then input into the combina-
tion meter.
Diagnosis Procedure
INFOID:0000000009758290
Regarding Wiring Diagram information, refer to
.
1.
CHECK AMBIENT SENSOR SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect combination meter connector and ambient sensor connector.
3. Check continuity between combination meter harness connector and ambient sensor harness connector.
4. Check continuity between combination meter harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness or connector.
2.
CHECK AMBIENT SENSOR SIGNAL GROUND CIRCUIT
Check continuity between combination meter harness connector and ambient sensor harness connector.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace harness or connector.
Component Inspection
INFOID:0000000009758291
1.
CHECK AMBIENT SENSOR
1. Turn ignition switch OFF.
2. Disconnect ambient sensor connector.
3. Check resistance between ambient sensor terminals.
Combination meter
Ambient sensor
Continuity
Connector
Terminal
Connector
Terminal
M24
19
E67
1
Yes
Combination meter
Ground
Continuity
Connector
Terminal
M24
19
No
Combination meter
Ambient sensor
Continuity
Connector
Terminal
Connector
Terminal
M24
20
E67
2
Yes
MWI
AMBIENT SENSOR SIGNAL CIRCUIT
MWI-63
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace ambient sensor. Refer to
HAC-106, "Removal and Installation"
Terminal
Condition
Resistance: k
Ω
Temperature:
°C (°F)
1
2
−15 (5)
12.73
−10 (14)
9.92
−5 (23)
7.80
0 (32)
6.19
5 (41)
4.95
10 (50)
3.99
15 (59)
3.24
20 (68)
2.65
25 (77)
2.19
30 (86)
1.81
35 (95)
1.51
40 (104)
1.27
45 (113)
1.07
MWI-64
< DTC/CIRCUIT DIAGNOSIS >
A/C AUTO AMP. CONNECTION RECOGNITION SIGNAL CIRCUIT
A/C AUTO AMP. CONNECTION RECOGNITION SIGNAL CIRCUIT
Description
INFOID:0000000009758292
A/C auto amp. transmits the A/C auto amp. connection recognition signal to the combination meter.
Diagnosis Procedure (With Instruction A/C)
INFOID:0000000010295727
Regarding Wiring Diagram information, refer to
.
1.
CHECK A/C AUTO AMP. CONNECTION RECOGNITION SIGNAL
1. Turn ignition switch ON.
2. Check voltage between combination meter harness connector and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> GO TO 2.
2.
CHECK A/C AUTO AMP. CONNECTION RECOGNITION SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect combination meter connector and A/C auto amp. connector.
3. Check continuity between combination meter harness connector and A/C auto amp. harness connector.
4. Check continuity between combination meter harness connector and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace harness or connector.
(+)
(
−)
Voltage
(Approx.)
Combination meter
Ground
5 V
Connector
Terminal
M24
32
Combination meter
A/C auto amp.
Continuity
Connector
Terminal
Connector
terminal
M24
32
M33
23
Yes
Combination meter
Ground
Continuity
Connector
Terminal
M24
32
No
MWI
WASHER FLUID LEVEL SWITCH CIRCUIT
MWI-65
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
WASHER FLUID LEVEL SWITCH CIRCUIT
Description
INFOID:0000000009758294
Transmits the washer level switch signal to the combination meter.
Diagnosis Procedure
INFOID:0000000009758295
Regarding Wiring Diagram information, refer to
.
1.
CHECK WASHER LEVEL SWITCH SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect combination meter connector and washer fluid level switch connector.
3. Check continuity between combination meter harness connector and washer fluid level switch harness
connector.
4. Check continuity between combination meter harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness or connector.
2.
CHECK WASHER FLUID LEVEL SWITCH GROUND CIRCUIT
Check continuity between washer fluid level switch connector and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace harness or connector.
Component Inspection
INFOID:0000000009758296
1.
CHECK WASHER FLUID LEVEL SWITCH
Check continuity between washer fluid level switch terminals 1 and 2.
Is the inspection result normal?
Terminals
Continuity
Combination meter
Washer fluid level switch
Connector
Terminal
Connector
Terminal
M24
17
E65
1
Yes
Terminals
Continuity
Combination meter
Ground
Connector
Terminal
M24
17
No
Terminals
Continuity
Washer level switch
Ground
Connector
Terminal
E65
2
Yes
Terminal
Washer fluid level
Continuity
1 - 2
Low
Yes
High
No
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