Nissan Murano Z50 (2006 year). Manual — part 73
UNIFIED METER AND A/C AMP
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Revision: 2006 August
2006 Murano
2.
CHECK METER/GAUGES VISUALLY
Check the pointer on the meter/gauges fluctuate at the engine start.
Is the fluctuation acceptable?
YES
>> GO TO 3.
NO
>> GO TO 6.
3.
CHECK CONTINUITY COMMUNICATION CIRCUIT (TX: COMBINATION METER)
1.
Turn ignition switch OFF.
2.
Disconnect combination meter connector and unified meter and A/C amp. connector.
3.
Check continuity between combination meter harness connector
M25 terminal 18 and unified meter and A/C amp. harness con-
nector M49 terminal 19.
4.
Check continuity between combination meter harness connector
M25 terminal 18 and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair harness or connector.
4.
CHECK VOLTAGE OF UNIFIED METER AND A/C AMP.
1.
Connect unified meter and A/C amp. connector.
2.
Turn ignition switch ON.
3.
Check voltage between combination meter harness connector
M25 terminal 18 and ground.
OK or NG
OK
>> GO TO 5.
NG
>> Replace unified meter and A/C amp. Refer to
"Removal and Installation of Unified Meter and A/C
Amp."
18 – 19
: Continuity should exist.
18 – Ground
: Continuity should not exist.
PKIB3979E
18 – Ground
: Approx. 5 V
PKIB3980E
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UNIFIED METER AND A/C AMP
Revision: 2006 August
2006 Murano
5.
CHECK VOLTAGE SIGNAL OF COMBINATION METER
1.
Turn ignition switch OFF.
2.
Connect combination meter connector.
3.
Turn ignition switch ON.
4.
Check voltage signal between combination meter harness con-
nector M25 terminal 18 and ground.
OK or NG
OK
>> Replace unified meter and A/C amp. Refer to
"Removal and Installation of Unified Meter and A/C Amp."
NG
>> Replace combination meter.
6.
CHECK CONTINUITY COMMUNICATION CIRCUIT (RX: COMBINATION METER)
1.
Turn ignition switch OFF.
2.
Disconnect combination meter connector and unified meter and A/C amp. connector.
3.
Check continuity between combination meter harness connector
M25 terminal 19 and unified meter and A/C amp. harness con-
nector M49 terminal 9.
4.
Check continuity between combination meter harness connector
M25 terminal 19 and ground.
OK or NG
OK
>> GO TO 7.
NG
>> Repair harness or connector.
7.
CHECK VOLTAGE OF COMBINATION METER
1.
Connect combination meter connector.
2.
Turn ignition switch ON.
3.
Check voltage between unified meter and A/C amp. harness
connector M49 terminal 9 and ground.
OK or NG
OK
>> GO TO 8.
NG
>> Replace combination meter.
18 – Ground:
PKIB3981E
SKIA3361E
19 – 9
: Continuity should exist.
19 – Ground
: Continuity should not exist.
PKIB3982E
9 – Ground
: Approx. 5 V
PKIB3983E
UNIFIED METER AND A/C AMP
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8.
CHECK VOLTAGE SIGNAL OF UNIFIED METER AND A/C AMP.
1.
Turn ignition switch OFF.
2.
Connect unified meter and A/C amp. connector.
3.
Turn ignition switch ON.
4.
Check voltage signal between combination meter harness con-
nector M25 terminal 19 and ground.
OK or NG
OK
>> Replace combination meter.
NG
>> Replace unified meter and A/C amp. Refer to
DI-37, "Removal and Installation of Unified Meter
DTC [B2205] Vehicle Speed Circuit
NKS001SU
Symptom: Display “VEHICLE SPEED CIRC [B2205]” at the result of self-diagnosis for unified meter and A/C
amp.
Perform self-diagnosis of ABS actuator and electric unit (control unit), and repair or replace malfunctioning
parts. Refer to
BRC-67, "CONSULT-II Functions (ABS)"
(with VDC system) or
Removal and Installation of Unified Meter and A/C Amp.
NKS001SV
REMOVAL
1.
Remove the audio unit. Refer to
.
2.
Remove the fixing screws, then remove the unified meter and A/
C amp.
INSTALLATION
Installation is basically the reverse order of removal.
19 – Ground:
PKIB3984E
SKIA3362E
RJIA1813E
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WARNING LAMPS
Revision: 2006 August
2006 Murano
WARNING LAMPS
PFP:24814
System Description
NKS002D0
OIL PRESSURE WARNING LAMP
Oil pressure warning lamp turns ON when reducing engine oil pressure abnormally.
●
IPDM E/R reads oil pressure switch signal from oil pressure switch, and transmits the signal to unified
meter and A/C amp. through BCM with CAN communication.
●
Unified meter and A/C amp. transmits oil pressure switch signal to combination meter with communication
line.
●
Combination meter turns oil pressure warning lamp ON with received oil pressure switch signal.
PKIB7655E
WARNING LAMPS
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Schematic
NKS001SZ
TKWB2602E
DI-40
WARNING LAMPS
Revision: 2006 August
2006 Murano
Wiring Diagram — WARN —
NKS001T0
TKWB2603E
WARNING LAMPS
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TKWB2604E
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WARNING LAMPS
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2006 Murano
TKWB2605E
WARNING LAMPS
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TKWB2606E
DI-44
WARNING LAMPS
Revision: 2006 August
2006 Murano
TKWB2607E
WARNING LAMPS
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TKWB2608E
DI-46
WARNING LAMPS
Revision: 2006 August
2006 Murano
TKWB2609E
WARNING LAMPS
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TKWB2610E
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WARNING LAMPS
Revision: 2006 August
2006 Murano
Oil Pressure Warning Lamp Stays Off (Ignition Switch ON)
NKS001T1
1.
CHECK OIL PRESSURE WARNING LAMP OPERATION
Activate IPDM E/R auto active test. Refer to
.
Does oil pressure warning lamp blink?
YES
>> GO TO 2.
NO
>> GO TO 5.
2.
CHECK IPDM E/R INPUT SIGNAL
1.
Turn ignition switch ON.
2.
Check voltage between IPDM E/R harness connector E9 termi-
nal 57 and ground.
OK or NG
OK
NG
>> GO TO 3.
3.
CHECK OIL PRESSURE SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect oil pressure switch connector.
3.
Check oil pressure switch. Refer to
OK or NG
OK
>> GO TO 4.
NG
>> Replace oil pressure switch.
4.
CHECK OIL PRESSURE SWITCH CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R connector.
3.
Check continuity between IPDM E/R harness connector E9 ter-
minal 57 and oil pressure switch harness connector F203 termi-
nal 1.
OK or NG
OK
NG
>> Repair harness or connector.
5.
CHECK UNIFIED METER AND A/C AMP. (CONSULT-II)
Perform self-diagnosis of unified meter and A/C amp. Refer to
DI-30, "CONSULT-II Function (METER A/C
Self-diagnosis results
No malfunction detected >> GO TO 6.
Malfunction detected >> Check applicable parts, and repair or replace corresponding parts.
57 – Ground
: Approx. 0 V
SKIB6449E
57 – 1
: Continuity should exist.
PKIB3986E
WARNING LAMPS
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6.
CHECK UNIFIED METER AND A/C AMP. INPUT SIGNAL
1.
Select “METER A/C AMP” on CONSULT-II.
2.
Operate ignition switch with “OIL W/L” of “DATA MONITOR” and
check operation status.
OK or NG
OK
>> Replace combination meter.
NG
>> GO TO 7.
7.
CHECK BCM INPUT SIGNAL
1.
Select “BCM” on CONSULT-II.
2.
Select “DATA MONITOR” of “SIGNAL BUFFER”.
3.
Operate ignition switch with “OIL PRESS SW” of “DATA MONI-
TOR” and check operate status.
OK or NG
OK
>> Replace BCM. Refer to
BCS-14, "Removal and Installa-
NG
>> Replace IPDM E/R. Refer to
PG-28, "Removal and Installation of IPDM E/R"
.
Oil Pressure Warning Lamp Does Not Turn Off (Oil Pressure Is Normal)
NKS001T2
NOTE:
For oil pressure inspection, refer to
.
1.
CHECK OIL PRESSURE WARNING LAMP OPERATION
Activate IPDM E/R auto active test. Refer to
.
Does oil pressure warning lamp blink?
YES
>> GO TO 2.
NO
>> GO TO 5.
2.
CHECK IPDM E/R OUTPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect oil pressure switch connector.
3.
Turn ignition switch ON.
4.
Check voltage between oil pressure switch harness connector
F1 terminal 1 and ground.
OK or NG
OK
>> GO TO 3.
NG
>> GO TO 4.
“OIL W/L”
When ignition switch is in ON
position (Engine stopped)
: ON
When engine running
: OFF
PKIA2064E
“OIL PRESS SW”
When ignition switch is in ON
position (Engine stopped)
: ON
When engine running
: OFF
SKIA8709E
1 – Ground
: Approx. 12 V
PKIB3987E
DI-50
WARNING LAMPS
Revision: 2006 August
2006 Murano
3.
CHECK OIL PRESSURE SWITCH
1.
Turn ignition switch OFF.
2.
Check oil pressure switch. Refer to
OK or NG
OK
PG-28, "Removal and Installation of IPDM E/R"
NG
>> Replace oil pressure switch.
4.
CHECK OIL PRESSURE SWITCH CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R connector.
3.
Check continuity between IPDM E/R harness connector E9 ter-
minal 57 and ground.
OK or NG
OK
NG
>> Repair harness or connector.
5.
CHECK IPDM E/R (CONSULT-II)
Perform self-diagnosis of IPDM E/R. Refer to
PG-19, "CONSULT-II Function (IPDM E/R)"
Self-diagnosis results
No malfunction detected >> Replace combination meter.
Malfunction detected >> Check applicable parts, and repair or replace corresponding parts.
Component Inspection
NKS001T3
OIL PRESSURE SWITCH
Check continuity between oil pressure switch and ground.
57 – Ground
: Continuity should not exist.
SKIA5013E
Condition
Oil pressure [kPa (kg/cm
2
, psi)]
Continuity
Engine stopped
Less than 29 (0.3, 4)
Yes
Engine running
More than 29 (0.3, 4)
No
ELF0044D
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