Nissan Tiida C11. Instruction — part 1086
MWI-34
< COMPONENT DIAGNOSIS >
AMBIENT SENSOR SIGNAL CIRCUIT
AMBIENT SENSOR SIGNAL CIRCUIT
Description
INFOID:0000000001537467
The ambient sensor detects ambient temperature and converts it into a resistance value which is then input
into the combination meter.
NOTE:
On vehicles equipped with auto A/C, the ambient sensor signal is shared with the front air control. The combi-
nation meter is notified of the signal sharing via the auto A/C sense circuit.
Diagnosis Procedure
INFOID:0000000001537468
1.
CHECK AMBIENT SENSOR CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect combination meter connector and ambient sensor
connector.
3.
Check continuity between combination meter harness connector
M24 (A) terminal 19 and ambient sensor harness connector E60
(B) terminal 2.
4.
Check continuity between combination meter harness connector
M24 (A) terminal 19 and ground.
Is the inspection result normal?
YES
>> GO TO 2
NO
>> Repair harness or connector.
2.
CHECK AMBIENT SENSOR GROUND CIRCUIT
1.
Check continuity between combination meter harness connector
M24 (A) terminal 20 and ambient sensor harness connector E60
(B) terminal 1.
2.
Check continuity between combination meter harness connector
M24 (A) terminal 20 and ground.
Is the inspection result normal?
YES
>> • With auto A/C: GO TO 3
• Without auto A/C: INSPECTION END
NO
>> Repair harness or connector.
3.
CHECK AUTO A/C SENSE SIGNAL
1.
Connect combination meter and ambient sensor connectors.
2.
Turn ignition switch ON.
3.
Check voltage between combination meter harness connector
M24 terminal 25 and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 4
19 – 2
: Continuity should exist.
19 – Ground
: Continuity should not exist.
AWNIA0169ZZ
20 – 1
: Continuity should exist.
20 – Ground
: Continuity should not exist.
AWNIA0170ZZ
25 – Ground
: 5V
AWNIA0221ZZ
MWI
AMBIENT SENSOR SIGNAL CIRCUIT
MWI-35
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
4.
CHECK AUTO A/C SENSE CIRCUIT
With NAVI
1.
Turn ignition switch OFF.
2.
Disconnect combination meter connector M24 and front air con-
trol connector M86.
3.
Check continuity between combination meter harness connector
M24 (A) terminal 25 and front air control harness connector M86
(B) terminal 1.
4.
Check continuity between combination meter harness connector
M24 (A) terminal 25 and ground.
Without NAVI
1.
Turn ignition switch OFF.
2.
Disconnect combination meter connector M24 and front air con-
trol connector M50.
3.
Check continuity between combination meter harness connector
M24 (A) terminal 25 and front air control harness connector M50
(B) terminal 3.
4.
Check continuity between combination meter harness connector
M24 (A) terminal 25 and ground.
Is the inspection result normal?
YES
>> Replace front air control. Refer to
VTL-7, "Removal and Installation"
.
NO
>> Repair harness or connector.
Component Inspection
INFOID:0000000001537469
HAC-131, "Ambient Sensor Component Inspection"
(without NAVI) or
(with NAVI).
25 – 1
: Continuity should exist.
25 – Ground
: Continuity should not exist.
25 – 3
: Continuity should exist.
25 – Ground
: Continuity should not exist.
AWNIA0222ZZ
AWNIA0223ZZ
MWI-36
< ECU DIAGNOSIS >
COMBINATION METER
ECU DIAGNOSIS
COMBINATION METER
Reference Value
INFOID:0000000001374706
TERMINAL LAYOUT
PHYSICAL VALUES
LKIA0698E
Ter-
mi-
nal
No.
Wire
color
Item
Condition
Reference value (V)
(Approx.)
Ignition
switch
Operation or condition
1
L
CAN-H
—
—
—
2
P
CAN-L
—
—
—
3
V
Vehicle speed signal output
(2-pulse)
ON
Speedometer operated
[When vehicle speed is approx.
40 km/h (25 MPH)]
NOTE:
Maximum voltage may be 5V due to
specifications (connected units).
4
O
Vehicle speed signal output
(8-pulse)
ON
Speedometer operated
[When vehicle speed is approx.
40 km/h (25 MPH)]
NOTE:
Maximum voltage may be 12V due to
specifications (connected units).
6
BR
Fuel level sensor signal (+)
—
—
7
BR
Air bag signal
ON
Air bag warning lamp ON
4
Air bag warning lamp OFF
0
8
P
O/D OFF switch
ON
O/D OFF switch pressed
0
O/D OFF switch released
Battery voltage
9
O
Seat belt buckle switch (driv-
er side)
ON
Unfastened (ON)
0
Fastened (OFF)
Battery voltage
10
SB
Parking Brake switch
ON
Parking brake applied
0
Parking brake released
Battery voltage
PKIC0642E
PKIC0643E
MWI
COMBINATION METER
MWI-37
< ECU DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
11
LG
Brake fluid level switch
ON
Brake fluid level low
0
Brake fluid level normal
Battery voltage
16
V
Steering switch (trip comput-
er) signal
ON
Press the steering switch (trip
computer)
0
Other than the above
5
19
V
Ambient sensor signal
ON
—
20
BR
Ambient sensor ground
ON
—
0
21
B
Ground
—
—
0
22
23
24
V
Fuel level sensor ground (-)
ON
—
0
25
R
Auto A/C sense signal (with
auto A/C)
ON
—
5V
27
G
Battery power supply
OFF
—
Battery voltage
28
SB
Ignition switch ON or START
ON
—
Battery voltage
30
G
Stop lamp switch
ON
Brake pedal depressed
Battery voltage
Brake pedal released
0
31
V
A/T N-range input (with A/T)
ON
Transmission gear selector lever
in N position
Battery voltage
Transmission gear selector lever
other than N position
0
32
W
A/T P-range input (with A/T)
ON
Transmission gear selector lever
in P position
Battery voltage
Transmission gear selector lever
other than P position
0
33
Y
A/T PN output (with A/T)
ON
Transmission gear selector lever
in P or N position
0
Transmission gear selector lever
other than P or N position
Battery voltage
35
BR
Engine coolant temperature
signal output
ON
At idle [after warming up, approx.
80
°
C (176
°
F)]
NOTE:
The waveforms vary depending
on engine coolant temperature.
Ter-
mi-
nal
No.
Wire
color
Item
Condition
Reference value (V)
(Approx.)
Ignition
switch
Operation or condition
JSNIA0014GB
SKIB3651J
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