Nissan Qashqai J11. Manual - part 1838

BCS-78

< ECU DIAGNOSIS INFORMATION >

BCM

77

(GR)

Ground

Combination switch 
INPUT 4

Input

Combination 
switch

Lighting switch 2ND
(Wiper volume dial 3)

12 V

All switches OFF
(Wiper volume dial 3)

Front wiper switch INT/
AUTO
(Lighting switch 2ND)

Front wiper switch LO
(Lighting switch 2ND)

Front wiper switch MIST
(Lighting switch 2ND)

Front wiper switch HI
(Lighting switch 2ND)

78

(SB)

Ground

Combination switch 
INPUT 1

Input

Combination 
switch

All switches OFF
(Wiper volume dial 3)

12 V

Front fog lamp switch ON
(Wiper volume dial 3)

Lighting switch HI
(Lighting switch 2ND)

Lighting switch PASS
(Wiper volume dial 3)

Rear fog lamp switch ON
(Wiper volume dial 3)

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

−

Signal name

Input/ 

Output

JMMIA1642GB

JMMIA1643GB

JMMIA1642GB

JMMIA1643GB

BCS

BCM

BCS-79

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

79

(W)

Ground

Combination switch 
INPUT 2

Input

Combination 
switch

All switches OFF
(Wiper volume dial 3)

12 V

Wiper volume dial 1

Lighting switch 1ST
(Wiper volume dial 3)

Lighting switch 2ND
(Wiper volume dial 3)

Lighting switch AUTO
(Wiper volume dial 3)

Wiper volume dial 2

80

(BR)

Ground

Door lock and unlock 
switch UNLOCK

Input

Door lock and 
unlock switch

Other than UNLOCK posi-
tion

9 – 16 V

UNLOCK position

0 V

81*

4

(L)

Ground

Key switch

Input

Insert mechanical key into ignition key cylin-
der

9 – 16 V

Remove mechanical key from ignition key 
cylinder

0 V

82*

3

(W)

Ground

Passenger door re-
quest switch

Input

Passenger door 
request switch

ON (Pressed)

0 – 0.5 V

OFF (Not pressed)

9 – 16 V

82*

4

(R)

Ground

Key switch (START)

Input

Power position

START

9 – 16 V

Other than START

0 – 0.5 V

84

(BR)

Ground

Combination switch 
OUTPUT 2

Output

Combination 
switch

All switches OFF
(Wiper volume dial 3)

0 V

Lighting switch HI
(Lighting switch 2ND)

Front wiper switch HI
(Lighting switch 2ND)

Rear washer switch ON
(Wiper volume dial 3)

Wiper volume dial 4

Wiper volume dial 5

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

−

Signal name

Input/ 

Output

JMMIA1642GB

JMMIA1643GB

JMMIA1643GB

JMMIA1642GB

BCS-80

< ECU DIAGNOSIS INFORMATION >

BCM

85

(L)

Ground

Combination switch 
OUTPUT 1

Output

Combination 
switch

All switches OFF
(Wiper volume dial 3)

0 V

Front washer switch ON
(Wiper volume dial 3)

Front wiper switch MIST
(Wiper volume dial 3)

Front wiper switch LO
(Wiper volume dial 3)

Wiper volume dial 2

Wiper volume dial 5

Wiper volume dial 1

86

(R)

Ground

Combination switch 
OUTPUT 3

Output

Combination 
switch
(Wiper volume 
dial 3)

All switches OFF

0 V

Lighting switch 2ND

Lighting switch PASS

Front wiper switch INT/
AUTO

Rear wiper switch INT

87

(BG)

Ground

Combination switch 
OUTPUT 4

Output

Combination 
switch
(Wiper volume 
dial 3)

All switches OFF

0 V

Lighting switch AUTO

Rear fog lamp switch ON

Turn signal switch LH

Rear wiper switch ON

88*

3

(L)

Ground

Push-button ignition 
switch illumination 
power supply

Output

Push-button ig-
nition switch illu-
mination

OFF

0 V

ON

12 V

90*

3

(L)

Ground

Steering lock condi-
tion

Input

Steering lock 
unit

Activated

9 – 16 V

Not activated

0 – 0.5 V

94

(BR)

Ground

Detention switch

Input

Selector lever

P position (Release selec-
tor button)

0 – 0.5 V

Any position other than P

9 – 16 V

95

(V)

Ground

Extended storage 
fuse switch

Input

Extended stor-
age fuse switch

OFF

0 – 0.5 V

ON (Power position OFF)

9 – 16 V

99

(R)

Ground

Stop/start OFF 
switch

Input

Stop/start OFF 
switch

Pressed

0 – 0.5 V

Not pressed

9 – 16 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

−

Signal name

Input/ 

Output

JMMIA1643GB

JMMIA1642GB

JMMIA1643GB

JMMIA1643GB

BCS

BCM

BCS-81

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

100*

3

(V)

Ground

Driver door antenna 
(+)

Output

Power position 
ON and any 
door is open

Intelligent Key is outside 
the vehicle

Intelligent Key is inside 
the vehicle

101*

3

(R)

Ground

Push-button ignition 
switch (Push switch)

Input

Push-button ig-
nition switch 
(push switch)

Pressed

0 – 0.5 V

Not pressed

9 – 16 V

104

(G)

Ground

Front door lock as-
sembly driver side 
(Unlock sensor)

Input

Driver door

LOCK status (Unlock sen-
sor switch OFF)

9 – 16 V

UNLOCK status (Unlock 
sensor switch ON)

0 – 0.5 V

105*

3

(GR)

Ground

Driver door request 
switch

Input

Driver door re-
quest switch

ON (Pressed)

0 – 0.5 V

OFF (Not pressed)

9 – 16 V

105*

4

(GR)

Ground

Key switch (IPDM E/
R)

Input

Power position

ON

0 – 0.5 V

OFF

9 – 16 V

106
(W)

Ground

ACC output

Output

Power position

ACC or ON

0 – 0.5 V

OFF

3.15 V

107

(Y)

Ground

Sensor cancel 
switch

Input

Sensor cancel 
switch

OFF (Not pressed)

ON (Pressed)

0 V

109*

4

(P)

Ground

NATS antenna amp.

Input/

Output

Just after inserting ignition key in key cylinder

Pointer of tester should move

Other than above

0 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

−

Signal name

Input/ 

Output

JSMIA1348GB

JSMIA1406GB

JPMIA0011GB