Infiniti G37 Coupe. Manual — part 1416
WT-36
< COMPONENT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK FUSE
Check 10A fuses [Nos. 3, 6 and 19, located in the fuse block (J/B)]. Refer to
PG-91, "Fuse, Connector and Ter-
.
Is the inspection result normal?
YES
>> Check harness for open circuit. Repair or replace if necessary.
NO
>> Check harness for short circuit and replace fuse.
3.
CHECK GROUND CIRCUIT FOR UNIFIED METER AND A/C AMP.
1.
Turn ignition switch OFF.
2.
Check continuity between unified meter and A/C amp. harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair harness or connector.
4.
CHECK PRESET SWITCH
Check preset switch. Refer to
(BASE AUDIO WITHOUT NAVIGATION),
(BOSE AUDIO WITHOUT NAVIGATION) or
(BOSE AUDIO WITH
NAVIGATION).
Is the inspection result normal?
YES
>> Replace unified meter and A/C amp.
NO
>> Repair or replace malfunctioning part(s).
(+)
(
−
)
Voltage
Unified meter and A/C amp.
—
Ignition switch position
Connector
Terminal
OFF
ACC
ON
M67
41
Ground
Approx. 0 V
Battery voltage
Battery voltage
53
Approx. 0 V
Approx. 0 V
Battery voltage
54
Battery voltage
Battery voltage
Battery voltage
Unified meter and A/C amp.
—
Continuity
Connector
Terminal
M67
55
Ground
Existed
71
TPMS
WT-37
< COMPONENT DIAGNOSIS >
C
D
F
G
H
I
J
K
L
M
A
B
WT
N
O
P
TPMS
Description
INFOID:0000000001686991
During driving, the TPMS receives the signal transmitted from the transmitter installed in each wheel, when
the tire pressure becomes low. The control unit (BCM) of this system has pressure judgment and trouble diag-
nosis functions.
When the TPMS detects low inflation pressure or another unusual symptom, the low tire pressure warning
lamps in the combination meter comes on.
WT-38
< COMPONENT DIAGNOSIS >
TPMS
Wiring Diagram - TIRE PRESSURE MONITORING SYSTEM -
INFOID:0000000001686992
Click here to view the eWD.
JCEWA0009GB
TPMS
WT-39
< COMPONENT DIAGNOSIS >
C
D
F
G
H
I
J
K
L
M
A
B
WT
N
O
P
JCEWA0010GB
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