Infiniti G35 (V35) Sedan. Manual — part 71
AV-56
< COMPONENT DIAGNOSIS >
[BASE AUDIO WITHOUT NAVIGATION]
STEERING SWITCH SIGNAL B CIRCUIT
STEERING SWITCH SIGNAL B CIRCUIT
Description
INFOID:0000000000964578
Transmits the steering switch signal to AV control unit.
Diagnosis Procedure
INFOID:0000000000964579
1.
CHECK STEERING SWITCH SIGNAL B CIRCUIT
1.
Disconnect AV control unit connector and spiral cable connector.
2.
Check continuity between AV control unit harness connector terminal 16 and spiral cable harness connec-
tor terminal 31.
3.
Check continuity between AV control unit harness connector terminals 16 and ground.
Is inspection result OK?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK SPIRAL CABLE
Check spiral cable.
Is inspection result OK?
YES
>> GO TO 3.
NO
>> Replace spiral cable.
3.
CHECK AV CONTROL UNIT VOLTAGE
1.
Connect AV control unit connector and spiral cable connector.
2.
Turn ignition switch ON.
3.
Check voltage between AV control unit harness connector terminals 16 and 15.
Is inspection result OK?
YES
>> GO TO 4.
NO
>> Replace AV control unit.
4.
CHECK STEERING SWITCH
1.
Turn ignition switch OFF.
2.
Check steering switch. Refer to
.
Is inspection result OK?
YES
>> INSPECTION END
NO
>> Replace steering switch.
Component Inspection
INFOID:0000000000964580
Measure the resistance between the steering switch connector terminals 14 to 17 and 15 to 17.
16 - 31
: Continuity should exist.
16 - Ground
: Continuity should not exist.
16 - 15
: Approx. 3.3 V
AV
STEERING SWITCH SIGNAL B CIRCUIT
AV-57
< COMPONENT DIAGNOSIS >
[BASE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
N
A
O
P
Standard
Between terminals 14 and 17
MENU DOWN switch ON
: 318 – 324
Ω
MENU UP switch ON
: 120 – 122
Ω
SOURCE switch ON
: 0
Ω
Between terminals 15 and 17
VOL UP switch ON
: 120 – 122
Ω
VOL DOWN switch ON
: 0
Ω
JSNIA0215GB
AV-58
< COMPONENT DIAGNOSIS >
[BASE AUDIO WITHOUT NAVIGATION]
STEERING SWITCH SIGNAL GND CIRCUIT
STEERING SWITCH SIGNAL GND CIRCUIT
Description
INFOID:0000000000964581
Transmits the steering switch signal to AV control unit.
Diagnosis Procedure
INFOID:0000000000964582
1.
CHECK STEERING SWITCH SIGNAL GND CIRCUIT
1.
Disconnect AV control unit connector and spiral cable connector.
2.
Check continuity between AV control unit harness connector terminal 15 and spiral cable harness connec-
tor terminal 33.
3.
Connect AV control unit connector.
Is inspection result OK?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK SPIRAL CABLE
Check spiral cable.
Is inspection result OK?
YES
>> GO TO 3.
NO
>> Replace spiral cable.
3.
CHECK GROUND CIRCUIT
1.
Connect AV control unit connector.
2.
Check continuity between AV control unit harness connector terminal 15 and ground.
Is inspection result OK?
YES
>> GO TO 4.
NO
>> Replace AV control unit.
4.
CHECK STEERING SWITCH
1.
Turn ignition switch OFF.
2.
Check steering switch. Refer to
.
Is inspection result OK?
YES
>> INSPECTION END
NO
>> Replace steering switch.
Component Inspection
INFOID:0000000000964583
Measure the resistance between the steering switch connector terminals 14 to 17 and 15 to 17.
Standard
15 - 33
: Continuity should exist.
15 - Ground
: Continuity should exist.
Between terminals 14 and 17
MENU DOWN switch ON
: 318 – 324
Ω
MENU UP switch ON
: 120 – 122
Ω
SOURCE switch ON
: 0
Ω
Between terminals 15 and 17
VOL UP switch ON
: 120 – 122
Ω
VOL DOWN switch ON
: 0
Ω
JSNIA0215GB
AV
AV CONTROL UNIT
AV-59
< ECU DIAGNOSIS >
[BASE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
N
A
O
P
ECU DIAGNOSIS
AV CONTROL UNIT
Reference Value
INFOID:0000000000964584
VALUES ON THE DIAGNOSIS TOOL
CONSULT-III data monitor item
TERMINAL LAYOUT
PHYSICAL VALUES
Display Item
Dis-
play
Vehicle status
Remarks
VHCL SPD SIG
ON
Vehicle speed >0 km/h (0 MPH)
Changes in indication may be delayed. This is nor-
mal.
OFF
Vehicle speed =0 km/h (0 MPH)
PKB SIG
ON
Parking brake is applied.
Changes in indication may be delayed. This is nor-
mal.
OFF
Parking brake is released.
ILLUM SIG
ON
Block the light beam from the auto
light optical sensor when the light SW
is ON .
—
OFF
Expose the auto light optical sensor
to light when the light SW is OFF or
ON.
IGN SIG
ON
Ignition switch ON
—
OFF
Ignition switch in ACC position
REV SIG
ON
Selector lever in R position
Changes in indication may be delayed. This is nor-
mal.
OFF
Selector lever in any position other
than R
JPNIA0012ZZ
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