Infiniti G37 Coupe. Manual — part 928
MWI-58
< COMPONENT DIAGNOSIS >
METER CONTROL SWITCH SIGNAL CIRCUIT
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
Component Inspection
INFOID:0000000001606680
1.
CHECK METER CONTROL SWITCH UNIT
1.
Turn the ignition switch OFF.
2.
Disconnect the meter control switch connector.
3.
Check continuity of the meter control switch.
Is the inspection result OK?
YES
>> INSPECTION END
NO
>> Replace the meter control switch.
Combination meter
Ground
Continuity
Connector
Terminals
M53
16
Not existed
36
37
39
40
38
Connector
Terminal No.
Operation and status
Continuity
M54
2
7
When
(select) switch is pressed
Existed
Other than the above
Not existed
1
7
When
(enter) switch is pressed
Existed
Other than the above
Not existed
5
7
When trip A/B reset switch is pressed
Existed
Other than the above
Not existed
10
7
When
(illumination control) switch is
pressed
Existed
Other than the above
Not existed
9
7
When
(illumination control) switch is
pressed
Existed
Other than the above
Not existed
MWI
OIL PRESSURE SWITCH SIGNAL CIRCUIT
MWI-59
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
OIL PRESSURE SWITCH SIGNAL CIRCUIT
Description
INFOID:0000000001606681
Detects the engine oil pressure and transmits the oil pressure switch signal to IPDM E/R.
Component Function Check
INFOID:0000000001606682
1.
CHECK UNIFIED METER AND A/C AMP. INPUT SIGNAL
1.
Connect the CONSULT-III.
2.
Select the “Data Monitor” for the “METER/M&A” and check the “OIL W/L” monitor value.
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000001606683
1.
CHECK OIL PRESSURE SWITCH CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R connector and oil pressure switch connector.
3.
Check continuity between IPDM E/R harness connector terminal and oil pressure switch harness connec-
tor terminal.
4.
Check continuity between IPDM E/R harness connector terminal and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
Component Inspection
INFOID:0000000001606684
1.
CHECK OIL PRESSURE SWITCH
Check continuity between oil pressure switch and ground.
Is the inspection result normal?
“OIL W/L”
Ignition switch ON
: On
Engine running
: Off
IPDM E/R
Oil pressure switch
Continuity
Connector
Terminal
Connector
Terminal
E6
75
F37
1
Existed
IPDM E/R
Ground
Continuity
Connector
Terminal
E6
75
Not existed
Condition
Continuity
Engine stopped
Existed
Engine running
Not existed
ELF0044D
MWI-60
< COMPONENT DIAGNOSIS >
OIL PRESSURE SWITCH SIGNAL CIRCUIT
YES
>> INSPECTION END
NO
>> Replace the oil pressure switch.
MWI
PARKING BRAKE SWITCH SIGNAL CIRCUIT
MWI-61
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
PARKING BRAKE SWITCH SIGNAL CIRCUIT
Description
INFOID:0000000001606685
Transmits the parking brake switch signal to the combination meter.
Component Function Check
INFOID:0000000001697518
1.
CHECK UNIFIED METER AND A/C AMP. INPUT SIGNAL
1.
Connect the CONSULT-III.
2.
Select the “Data Monitor” for the “METER/M&A” and check the “PKB SW” monitor value.
>> INSPECTION END
Diagnosis Procedure (A/T models)
INFOID:0000000001606686
1.
CHECK COMBINATION METER INPUT SIGNAL
1.
Turn ignition switch ON.
2.
Check the voltage and waveform between combination meter harness connector terminal and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 2.
2.
CHECK PARKING BRAKE SWITCH SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect combination meter connector and parking brake switch connector.
3.
Check continuity between combination meter harness connector terminal and parking brake switch har-
ness connector terminal.
4.
Check continuity between combination meter harness connector terminal and ground.
“PKB SW”
Parking brake is applied
: On
Parking brake is released
: Off
Terminal
Condition
Voltage
(Approx.)
(+)
(–)
Combination meter
Connector
Terminal
M53
27
Ground
Parking brake applied
0 V
Parking brake released
JSNIA0007GB
Combination meter
Parking brake switch
Continuity
Connector
Terminal
Connector
Terminal
M53
27
E107
1
Existed
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