Nissan Maxima. Manual - part 312

BCM (BODY CONTROL MODULE)

DEF-33

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

M

A

B

DEF

N

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

Output

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

DEF-34

< ECU DIAGNOSIS INFORMATION >

BCM (BODY CONTROL MODULE)

76

(R/G)

Ground

Combination switch 
INPUT 3

Output

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

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

Battery voltage

Blinking

6.5V

ON

0V

81

(LG)

Ground ON indicator lamp

Output Ignition switch

OFF or ACC

0V

ON

Battery voltage

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

(+)

(-)

JPMIA0041GB

JPMIA0036GB

JPMIA0037GB

JPMIA0040GB

JPMIA0015GB

BCM (BODY CONTROL MODULE)

DEF-35

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

M

A

B

DEF

N

O

P

83

(L)

Ground ACC relay control

Output Ignition switch

OFF

0V

ACC or ON

Battery voltage

84

(Y/R)

Ground CVT shift selector

Output

—

Battery voltage

87

(G/B)

Ground

Selector lever P posi-
tion switch

Input

Selector lever

P position

0V

Any position other than P

Battery voltage

88

(R)

Ground

Front door RH re-
quest switch

Input

Front door RH re-
quest switch

ON (pressed)

0V

OFF (not pressed)

1.0V

89

(R)

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

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

(+)

(-)

JPMIA0016GB

JPMIA0016GB

DEF-36

< ECU DIAGNOSIS INFORMATION >

BCM (BODY CONTROL MODULE)

95

(R/W)

Ground

Combination switch 
INPUT 1

Output

Combination 
switch
(Wiper intermit-
tent dial 4)

All switch OFF

1.4V

Turn signal switch LH

1.3V

Turn signal switch RH

1.3V

Front wiper switch LO

1.3V

Front washer switch ON

1.3V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

(+)

(-)

JPMIA0041GB

JPMIA0037GB

JPMIA0036GB

JPMIA0038GB

JPMIA0039GB