Nissan Teana J32. Instruction — part 101
AV
STEERING SWITCH SIGNAL GND CIRCUIT
AV-259
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
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STEERING SWITCH SIGNAL GND CIRCUIT
Description
INFOID:0000000003765735
Transmits the steering switch signal to AV control unit.
Diagnosis Procedure
INFOID:0000000003765736
1.
CHECK STEERING SWITCH SIGNAL GND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect AV control unit connector and spiral cable connector.
3.
Check continuity between AV control unit harness connector and spiral cable harness connector.
4.
Connect AV control unit connector.
Is inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK SPIRAL CABLE
Check spiral cable.
Is inspection result normal?
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 and ground.
Is inspection result normal?
YES
>> GO TO 4.
NO
>> Replace AV control unit.
4.
CHECK STEERING SWITCH
Check steering switch. Refer to
AV-260, "Component Inspection"
.
Is inspection result normal?
YES
>> INSPECTION END
NO
>> Replace steering switch.
AV control unit
Spiral cable
Continuity
Connector
Terminal
Connector
Terminal
M127
15
M33
33
Existed
AV control unit
Ground
Continuity
Connector
Terminal
M127
15
Existed
AV-260
< COMPONENT DIAGNOSIS >
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STEERING SWITCH SIGNAL GND CIRCUIT
Component Inspection
INFOID:0000000003765737
Measure the resistance between the steering switch connector ter-
minals 14 to 17 and 15 to 17.
Standard
JSNIA0215GB
Steering switch
Condition
Resistance
Ω
Con-
nector
Termi-
nal
Con-
nector
Termi-
nal
M303
14
M303
17
MENU DOWN switch
ON
315 – 327
MENU UP switch ON
119 – 123
SOURCE switch ON
1
15
VOL UP switch ON
119 – 123
VOL DOWN switch ON
1
AV
AV CONTROL UNIT
AV-261
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ECU DIAGNOSIS
AV CONTROL UNIT
Reference Value
INFOID:0000000003765757
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
Light switch ON.
—
Off
Light switch OFF.
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.
JPNIA1093ZZ
Terminal
(Wire color)
Description
Condition
Reference value
(Approx.)
+
–
Signal name
Input/
Output
6
(W/G)
15
(L/B)
Steering switch signal A
Input
Ignition
switch
ON
Keep pressing SOURCE
switch.
0 V
Keep pressing
switch.
0.7 V
Keep pressing
switch.
1.3 V
Except for above.
3.3 V
7
(V/W)
Ground
ACC power supply
Input
Ignition
switch
ACC
—
Battery voltage
9
(R/L)
Ground
Illumination signal
Input
Ignition
switch
OFF
Lighting switch is OFF.
0 V
Lighting switch is ON.
12.0 V
AV-262
< ECU DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
AV CONTROL UNIT
15
(L/B)
Ground
Steering switch signal
ground
—
Ignition
switch
ON
—
0 V
16
(GR/L)
15
(L/B)
Steering switch signal B
Input
Ignition
switch
ON
Keep pressing VOL DOWN
switch.
0 V
Keep pressing VOL UP
switch.
0.7 V
Except for above.
3.3 V
19
(Y)
Ground
Battery power supply
Input
Ignition
switch
OFF
—
Battery voltage
20
(B/W)
Ground
Ground
—
Ignition
switch
ON
—
0 V
33
—
FM sub
Input
—
—
—
34
—
AM–FM main
Input
—
—
—
35
Ground
Antenna amp. ON signal
Output
Ignition
switch
ACC
—
12.0 V
36
(B)
Ground
Composite image signal
Output
Ignition
switch
ON
When camera image, DVD
image or AUX image is dis-
played.
37
(W)
Ground
Composite image signal
ground
—
Ignition
switch
ON
—
0 V
38
(B)
Ground
RGB image signal (B: blue)
Output
Ignition
switch
ON
Start confirmation/adjust-
ment mode, and then dis-
play color bar by selecting
“Color Spectrum Bar” on
DISPLAY DIAGNOSIS
screen.
39
(R)
Ground
RGB image signal (G:
green)
Output
Ignition
switch
ON
Start confirmation/adjust-
ment mode, and then dis-
play color bar by selecting
“Color Spectrum Bar” on
DISPLAY DIAGNOSIS
screen.
Terminal
(Wire color)
Description
Condition
Reference value
(Approx.)
+
–
Signal name
Input/
Output
SKIB2251J
SKIB2237J
SKIB2236J
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