Nissan Altima L32. Manual - part 1555

WCS-86

< ECU DIAGNOSIS >

BCM (BODY CONTROL MODULE)

65

4

(P)

Ground

Front outside handle 
LH antenna (+)

Output

When the front 
door LH request 
switch is operat-
ed with ignition 
switch OFF

When Intelligent Key is in 
the antenna detection area

When Intelligent Key is not 
in the antenna detection 
area

66

(R)

Ground

Instrument panel an-
tenna (-)

Output

Ignition switch 
OFF

When Intelligent Key is in 
the passenger compart-
ment

When Intelligent Key is not 
in the passenger compart-
ment

67

(G)

Ground

Instrument panel an-
tenna (+)

Output

Ignition switch 
OFF

When Intelligent Key is in 
the passenger compart-
ment

When Intelligent Key is not 
in the passenger compart-
ment

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

(+)

(-)

JMKIA0062GB

JMKIA0063GB

JMKIA0062GB

JMKIA0063GB

JMKIA0062GB

JMKIA0063GB

WCS

BCM (BODY CONTROL MODULE)

WCS-87

< ECU DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

68

(G/O)

Ground

NATS antenna amp 
(built in key slot)

Input/

Output

During waiting

Ignition switch is pressed 
while inserting the Intelli-
gent Key into the key slot.

Just after pressing ignition 
switch. Pointer of tester should 
move.

69

(O)

Ground

NATS antenna amp 
(built in key slot)

Input/

Output

During waiting

Ignition switch is pressed 
while inserting the Intelli-
gent Key into the key slot.

Just after pressing ignition 
switch. Pointer of tester should 
move.

70

(R/B)

Ground

Ignition relay-2 con-
trol

Output Ignition switch

OFF or ACC

0V

ON

Battery voltage

71

(L/O)

Ground

Remote keyless entry 
receiver signal

Input/

Output

During waiting

When operating either button on Intelligent Key

75

(R/Y)

Ground

Combination switch 
INPUT 5

Input

Combination 
switch

All switch OFF
(Wiper intermittent dial 4)

1.4V

Front fog lamp switch ON
(Wiper intermittent dial 4)

1.3V

Any of the conditions below 
with all switch OFF
• Wiper intermittent dial 1
• Wiper intermittent dial 2
• Wiper intermittent dial 6
• Wiper intermittent dial 7

1.3V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

(+)

(-)

JMKIA0064GB

JMKIA0065GB

JPMIA0041GB

JPMIA0037GB

JPMIA0040GB

WCS-88

< ECU DIAGNOSIS >

BCM (BODY CONTROL MODULE)

76

(R/G)

Ground

Combination switch 
INPUT 3

Input

Combination 
switch

All switch OFF
(Wiper intermittent dial 4)

1.4V

Lighting switch high-beam
(Wiper intermittent dial 4)

1.3V

Lighting switch 2ND
(Wiper intermittent dial 4)

1.3V

Any of the conditions below 
with all switch OFF
• Wiper intermittent dial 1
• Wiper intermittent dial 2
• Wiper intermittent dial 3

1.3V

77

(BR)

Ground

Engine switch (push 
switch)

Input

Engine switch 
(push switch)

Pressed

0V

Not pressed

Battery voltage

78

(P)

Ground CAN-L

Input/ 

Output

—

—

79

(L)

Ground CAN-H

Input/ 

Output

—

—

80

(R/L)

Ground Key slot illumination

Output

Key slot illumina-
tion

OFF

0V

Blinking

6.5V

ON

Battery voltage

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

(+)

(-)

JPMIA0041GB

JPMIA0036GB

JPMIA0037GB

JPMIA0040GB

JPMIA0015GB

WCS

BCM (BODY CONTROL MODULE)

WCS-89

< ECU DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

81

(LG)

Ground ON indicator lamp

Output Ignition switch

OFF or ACC

0V

ON

Battery voltage

83

(L)

Ground ACC relay control

Output Ignition switch

OFF

0V

ACC or ON

Battery voltage

84

(Y/R)

Ground CVT device

Output

—

Battery voltage

85

(L/O)

Ground

Electronic steering 
column lock condition 
No. 1

Input

Electronic steer-
ing column lock

Lock status

0V

Unlock status

Battery voltage

86

(G/R)

Ground

Electronic steering 
column lock condition 
No. 2

Input

Electronic steer-
ing column lock

Lock status

Battery voltage

Unlock status

0V

87

(G/B)

Ground

Selector lever P posi-
tion switch

Input

Selector lever

P position

0V

Any position other than P

Battery voltage

88

4

(P/L)

Ground

Front door RH re-
quest switch

Input

Front door RH re-
quest switch

ON (pressed)

0V

OFF (not pressed)

1.0V

89

4

(B/W)

Ground

Front door LH re-
quest switch

Input

Front door LH re-
quest switch

ON (pressed)

0V

OFF (not pressed)

1.0V

90

(Y)

Ground

Blower fan motor re-
lay control

Output Ignition switch

OFF or ACC

0V

ON

Battery voltage

91

(L/R)

Ground

Remote keyless entry 
receiver power sup-
ply

Output Ignition switch OFF

Battery voltage

94

(G/Y)

Ground

Steering wheel lock 
unit power supply

Output Ignition switch

OFF or ACC

Battery voltage

ON

0V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

(+)

(-)

JPMIA0016GB

JPMIA0016GB