Qashqai J11. Body Control System - part 5

BCS

BCM

BCS-65

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

STARTER CUT RELAY

Other than engine cranking

Off

At engine cranking

On

DETECTION SENSOR (BK)

NOTE:
The item is indicated, but not monitored. 

Off

CLUCH SW

The clutch pedal is not depressed. 

Off

The clutch pedal is depressed

On

BRAKE SW 1

• The brake pedal is not depressed and ignition switch ON (MR engine 

with M/T models)

• The brake pedal is depressed and ignition switch ON (Except MR en-

gine with M/T models)

Off

• The brake pedal is depressed and ignition switch ON (MR engine with 

M/T models)

• The brake pedal is not depressed and ignition switch ON (Except MR 

engine with M/T models)

On

BRAKE SW 2

The brake pedal is not depressed

Off

The brake pedal is depressed

On

DETE/CANCL SW

Selector lever in P position

Off

Selector lever in any position other than P

On

START CLUTCH SW

The clutch pedal is depressed

Off

The clutch pedal is not depressed

On

PUSH SW -IPDM

Push-button ignition switch (push-switch) is not pressed

Off

Push-button ignition switch (push-switch) is pressed

On

IGN RLY1 -F/B

Power position in OFF or ACC

Off

Power position in ON

On

NEUTRAL SW - IPDM

• Selector lever in any position other than P and N (CVT models)
• Control lever in any position other than neutral (M/T models)

Off

• Selector lever in P or N position (CVT models)
• Control lever in neutral position (M/T models)

On

SFT PN -IPDM

Selector lever in any position other than P or N

Off

Selector lever in P or N position

On

STARTER RELAY - IPDM

Other than engine cranking

Off

At engine cranking (short cranking)

Crank

Operation prohibited status

Invalid

At engine cranking

On

ENGINE STATE

Engine stopped

STOP

While the engine stalls

STALL

At engine cranking

CRANK

Engine running

RUN

ST/INHI RELAY - IPDM

Power position in OFF

Off, Off

Engine restart

Off, On

At engine cranking

INVALID

Engine running

On, On

REVERSE SIGNAL - IPDM

Selector lever in any position other than R position

Off

Selector lever in R position

On

Monitor Item

Condition

Value/Status

BCS-66

< ECU DIAGNOSIS INFORMATION >

BCM

CRANKING PERMIT - ECM

The engine start is prohibited

PRHBT

The engine start is permitted

PERMIT

When it is stopped requested during engine start

STOP

When not communication with ECM

Off

IS STATUS - ECM

Stop/start system not operating

Off

Stop/start system operating

On

STARTER CUT RELAY - ECM

Other than engine cranking

Off

At engine cranking

On

VEH SPEED 1

While driving

Equivalent to speed-

ometer reading

VEH SPEED 2

While driving

Equivalent to speed-

ometer reading

IGN REQ - IPDM

Power position in OFF or ACC

Off

Power position in ON

On

STARTER REQ - IPDM

Other than engine cranking

Off

At engine cranking

On

DOOR STAT-DR

Driver door is locked

LOCK

Driver door is unlocked

UNLOCK

DOOR STAT-AS

Passenger door is locked

LOCK

Passenger door is unlocked

UNLOCK

DOOR STAT-RR

Rear door RH is locked

LOCK

Rear door RH is unlocked

UNLOCK

DOOR STAT-RL

Rear door LH is locked

LOCK

Rear door LH is unlocked

UNLOCK

BK DOOR STATE

Back door is locked

LOCK

Back door is unlocked

UNLOCK

ID OK FLAG

Steering is locked

Reset

Steering is unlocked

Set

PRMT ENG STRT

When the engine start is prohibited

Reset

When the engine start is permitted

Set

PRMT RKE STRT

NOTE:
The item is indicated, but not monitored. 

Reset

I-KEY OK FLAG

Intelligent Key ID and Intelligent Key is detected outside vehicle

NOT On

Intelligent Key ID and Intelligent Key is detected inside vehicle

KEY On

PRBT ENG STRT

Not activated fail safe function

Reset

Engine start is prohibited by fail safe function

SET

ID AUTHENT CANCEL TIMER

Engine start is prohibited without Intelligent Key

STOP

Engine start is permitted without Intelligent Key

OPRAT

ACC BATTERY SAVER

ACC battery saver timer is stop

STOP

ACC battery saver timer is running

OPRAT

CRNK PRBT TMR

Cranking is permitted

Off

Cranking is prohibited

On

AUT CRANK TMR

Not auto cranking

Off

During auto cranking

On

CRNK PRBT TME

Cranking prohibit timer

sec

Monitor Item

Condition

Value/Status

BCS

BCM

BCS-67

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

AUT CRANK TMR

Auto cranking timer

sec

CRANKING TME

Cranking timer

sec

SHORT CRANK

NOTE:
The item is indicated, but not monitored. 

—

RKE OPE COUN1

During the operation of the Intelligent Key

Operation frequency 
of the Intelligent Key

RKE OPE COUN2

NOTE:
The item is indicated, but not monitored. 

—

S/L IGN OFF POSITION

Power position in ON

Off

Power position in OFF or ACC

On

S/L SENSOR CIRCUIT 1

Steering lock unit is not operated

GND

Steering is lock unit is operated

On

S/L SENSOR CIRCUIT 2

Steering lock unit is not operated

Off

Steering is lock unit is operated

On

S/L POWER OUTPUT

Steering lock unit is operated

Off

Steering is lock unit is not operated

On

S/L POWER CHECK

Steering lock unit is operated

Off

Steering is lock unit is not operated

On

ANTICIPATED POWER

Not outputs the steering lock unit anticipated power supply

Off

Outputs the steering lock unit anticipated power supply

On

S/L LOCK REQ

Steering lock unit is not operated

Off

Steering is lock unit is operated

On

S/L - BCM (CAN)

When not communication between BCM and steering lock unit

Off

When communication between BCM and steering lock unit

On

S/L POWER ERROR

Steering lock unit power supply is normal

Off

Steering lock unit power supply is malfunction

On

VEH SPEED ERROR (S/L)

Power position ON and steering is unlocked

Off

Power position ON and steering is locked

On

VEH SPEED NORMAL (S/L)

While the vehicle is stopped

Off

While the vehicle is running

On

ENGINE RUNNING (S/L)

Engine stopped

Off

Engine running

On

S/L ID DISCORD

When the BCM and steering lock unit ID becomes consistent

Correct

When the BCM and steering lock unit ID becomes not consistent

Incorrect

S/L ANTI-SCAN MODE

Steering lock system is normal

Off

Steering lock system is malfunction

On

S/L LOCK NOT PERMIT

Power position in OFF

No inhbt

Power position in ACC or ON

Inhibition

S/L UNLOCK (CAN)

Steering is locked

Unfinshd

Steering is unlocked

Finished

S/L ID STATUS (CAN)

The ID of steering lock unit is registered

Coded

The ID of steering lock unit is not registered

Blank

S/L RESET STATUS (CAN)

Steering is unlocked

Exit

Steering is lock unit is operated (look 

→

 unlock)

No exit

Monitor Item

Condition

Value/Status

BCS-68

< ECU DIAGNOSIS INFORMATION >

BCM

S/L LO-LEVEL MALFUNC (CAN)

Steering lock system is normal

No malf

Steering lock system is malfunction

Malf

S/L LOCK POSITION (CAN)

Steering is locked

Armed

Steering is unlocked

Malf

Steering lock system is malfunction

Unlocked

Steering is lock unit is operated

Undfined

S/L ACT MALFUNCTION (CAN)

Steering lock unit is normal

No malf

Steering lock unit is malfunction

Malf

S/L HI-LEVEL MALFUNC (CAN)

Steering lock system is normal

No malf

Steering lock system is malfunction

Malf

S/L OPERATION PRHBT (SPD)

When the steering lock unit receives the lock/unlock request signal to the 
vehicle stopped

0 km/h

When the steering lock unit receives the lock/unlock request signal to the 
vehicle running

> 0 km/h

S/L OPERATION PRHBT (PWR)

Steering lock system is normal

Allowed

Steering lock system is malfunction

Forbid

S/L SENSOR POWER (CAN)

Steering lock unit is not operated

On

Steering is lock unit is operated

Off

S/L SEN TEST PERMIT (CAN)

Steering lock system is normal

Forbid

Steering lock system is malfunction

Authorize

S/L STAT NOT DETECT (CAN)

Steering is locked

OK

Steering is unlocked

Undfined

S/L LOCKING FINISHED (CAN)

Steering is unlocked

Unfinshd

Steering is locked

Finished

FR WIPER HI

Other than front wiper switch HI

Off

Front wiper switch HI

On

FR WIPER LOW

Other than front wiper switch LO

Off

Front wiper switch LO

On

FR WASHER SW

Front washer switch OFF

Off

Front washer switch ON

On

FR WIPER INT

Other than front wiper switch INT/AUTO

Off

Front wiper switch INT/AUTO

On

FR WIPER STOP

Front wiper is not in STOP position

Off

Front wiper is in STOP position

On

INT VOLUME

Wiper volume dial is in position

Wiper volume dial po-

sition

RR WIPER ON

Other than rear wiper switch ON

Off

Rear wiper switch ON

On

RR WIPER INT

Other than rear wiper switch INT

Off

Rear wiper switch INT

On

RR WASHER SW

Rear washer switch OFF

Off

Rear washer switch ON

On

RR WIPER STOP

Rear wiper is in STOP position

Off

Rear wiper is not in STOP position

On

Monitor Item

Condition

Value/Status

BCS

BCM

BCS-69

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

TURN SIGNAL R

Other than turn signal switch RH

Off

Turn signal switch RH

On

TURN SIGNAL L

Other than turn signal switch LH

Off

Turn signal switch LH

On

TAIL LAMP SW

Other than lighting switch 1ST

Off

Lighting switch 1ST

On

HI BEAM SW

Other than lighting switch HI

Off

Lighting switch HI

On

HEAD LAMP SW

Other than lighting switch 2ND

Off

Lighting switch 2ND

On

LIGHT OFF SW

Other than lighting switch OFF

Off

Lighting switch OFF

On

PASSING SW

Other than lighting switch PASS

Off

Lighting switch PASS

On

AUTO LIGHT SW

Other than lighting switch AUTO

Off

Lighting switch AUTO

On

FR FOG SW

Front fog lamp switch OFF

Off

Front fog lamp switch ON

On

RR FOG SW

Rear fog lamp switch OFF

Off

Rear fog lamp switch ON

On

DOOR SW-DR

Driver door closed

Off

Driver door opened

On

DOOR SW-AS

Passenger door closed

Off

Passenger door opened

On

DOOR SW-RR

Rear RH door closed

Off

Rear RH door opened

On

DOOR SW-RL

Rear LH door closed

Off

Rear LH door opened

On

DOOR SW-BK

Back door closed

Off

Back door opened

On

CDL LOCK SW

Other than power door lock switch LOCK

Off

Power door lock switch LOCK

On

CDL UNLOCK SW

Other than power door lock switch UNLOCK

Off

Power door lock switch UNLOCK

On

KEY CYL LK-SW

NOTE:
The item is indicated, but not monitored. 

Off

KEY CYL UN-SW

NOTE:
The item is indicated, but not monitored. 

Off

KEY CYL SW-TR

NOTE:
The item is indicated, but not monitored. 

Off

HAZARD SW

Hazard switch is OFF

Off

Hazard switch is ON

On

REAR DEF SW

Rear window defogger switch OFF

Off

Rear window defogger switch ON

On

Monitor Item

Condition

Value/Status

BCS-70

< ECU DIAGNOSIS INFORMATION >

BCM

H/L WSR SW

Headlamp washer switch OFF

Off

Headlamp washer switch ON

On

TR CANCEL SW

NOTE:
The item is indicated, but not monitored. 

Off

TRUNK LID OPENER SW

NOTE:
The item is indicated, but not monitored. 

Off

BACK DOOR OPENER SW

Back door opener switch OFF

Off

Back door opener switch ON

On

STOP/START SW

NOTE:
The item is indicated, but not monitored. 

Off

SEN CANCEL SW

Sensor cancel switch is not pressed

Off

Sensor cancel switch is pressed

On

RKE-LOCK

• LOCK button of the Intelligent Key is not pressed (with Intelligent Key 

system)

• LOCK button of the keyfob is not pressed (without Intelligent Key sys-

tem)

Off

• LOCK button of the Intelligent Key is pressed (with Intelligent Key sys-

tem)

• LOCK button of the keyfob is pressed (without Intelligent Key system)

On

RKE-UNLOCK

• UNLOCK button of the Intelligent Key is not pressed (with Intelligent Key 

system)

• UNLOCK button of the keyfob is not pressed (without Intelligent Key 

system)

Off

• UNLOCK button of the Intelligent Key is pressed (with Intelligent Key 

system)

• UNLOCK button of the keyfob is pressed (without Intelligent Key sys-

tem)

On

RKE-TR/BD

NOTE:
The item is indicated, but not monitored. 

Off

RKE-PANIC

NOTE:
The item is indicated, but not monitored. 

Off

RKE-MODE CHG

NOTE:
The item is indicated, but not monitored. 

Off

RKE PBD

Power back door button OFF

Off

Power back door button ON

On

SHOCK SENSOR

Car crash information signal (NORMAL) is detected.

NOMAL

Car crash information signal (AIR BAG OPEN) is detected.

On

Car crash information signal is not detected.

Off

OPTI SEN (DTCT)

Bright outside of the vehicle

Close to 5 V

Dark outside of the vehicle

Close to 0 V

OPTI SEN (FILT)

Bright outside of the vehicle (Lighting switch AUTO)

Close to 5 V

Dark outside of the vehicle (Lighting switch AUTO)

Close to 1.50 V

OPTICAL SENSOR

NOTE:
The item is indicated, but not monitored. 

Off

RAIN SENSOR

No rain (or very light rain)

Off

Light rain

LOW

Heavy rain

HIGH

When liquid is splashed on the front window

SPLSH

Rain sensor internal error

NG

Monitor Item

Condition

Value/Status

BCS

BCM

BCS-71

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

TERMINAL LAYOUT

PHYSICAL VALUES

NOTE:
Waveform reference

KEY SW

Mechanical key is removed from key cylinder

Off

Mechanical key is inserted to key cylinder

On

IGN SW

Other than power position in ON

Off

Power position in ON

On

START SW

Other than power position in START

Off

Power position in START

On

Monitor Item

Condition

Value/Status

JMMIA1641ZZ

BCS-72

< ECU DIAGNOSIS INFORMATION >

BCM

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

−

Signal name

Input/ 

Output

6*

3

(Y)*

1

(B)*

2

Ground

Back door opener 
request switch

Input

Back door re-
quest switch

ON (Pressed)

0 – 0.5 V

OFF (Not pressed)

9 – 16 V

10

(R)

Ground

Rear RH door switch

Input

Rear RH door 
switch

OFF (When rear RH door 
closed)

9 – 16 V

ON (When rear RH door 
opened)

0 – 0.5 V

11

(B)

Ground

Back door switch

Input

Back door 
switch

OFF
(When back door closed)

9 – 16 V

ON
(When back door opened)

0 – 0.5 V

12

(W)

Ground

Rear LH door switch

Input

Rear LH door 
switch

OFF (When rear LH door 
closed)

9 – 16 V

ON (When rear LH door 
opened)

0 – 0.5 V

13

(R)

Ground

Passenger door 
switch

Input

Passenger door 
switch

OFF (When passenger 
door closed)

9 – 16 V

ON (When passenger 
door opened)

0 – 0.5 V

15

(G/W)

Ground

Rear wiper auto stop

Input

Power position 
ON

Rear wiper stop position

0 – 0.5 V

Any position other than 
rear wiper stop position

16

(B)

Ground

Back door opener 
switch

Input

Back door 
opener switch

OFF (Not pressed)

9 – 16 V

ON (Pressed)

0 – 0.5 V

17

(SB)

Ground

Driver door switch

Input

Driver door 
switch

OFF (When driver door 
closed)

9 – 16 V

ON (When driver door 
opened)

0 – 0.5 V

20

(L)

Ground

CAN-H (CAN com-
munication circuit 1)

Input/

Output

—

—

JMMIA1654GB

BCS

BCM

BCS-73

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

21*

3

(BR)

Ground

Rear bumper anten-
na (-)

Input

Power position 
ON and any 
door is open

Intelligent Key is outside 
the vehicle

Intelligent Key is inside 
the vehicle

22*

3

(Y)

Ground

Inside key antenna 
(Luggage room) (-)

Input

Power position 
ON and any 
door is open

Intelligent Key is outside 
the vehicle

Intelligent Key is inside 
the vehicle

23*

3

(L)

Ground

Inside key antenna 
(Luggage room) (+)

Output

Power position 
ON and any 
door is open

Intelligent Key is outside 
the vehicle

Intelligent Key is inside 
the vehicle

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

−

Signal name

Input/ 

Output

JMMIA1652GB

JMMIA1653GB

JMMIA1652GB

JMMIA1653GB

JSMIA1507GB

JSMIA1506GB

BCS-74

< ECU DIAGNOSIS INFORMATION >

BCM

24*

3

(G)

Ground

Rear bumper anten-
na (+)

Output

Power position 
ON and any 
door is open

Intelligent Key is outside 
the vehicle

Intelligent Key is inside 
the vehicle

38

(G)

Ground

Alarm link

Output

Disarmed phase

0 V

Armed phase

39

(W)

Ground

High-mounted stop 
lamp output

Output

Brake pedal is not depressed

0 V

Brake pedal is depressed

9 - 16 V

40

(P)

Ground

CAN-L (CAN com-
munication circuit 1)

Input/

Output

—

—

41*

3

(V)

Ground

Steering lock unit 
power supply output

Output

Steering lock 
unit

Activated

9 – 16 V

Not activated

0 – 0.5 V

42

(G)

Ground

Turn signal LH out-
put (Side)

Output

Ignition switch 
ON

Turn signal switch OFF

0 V

Turn signal switch LH

6.5 V

(Turn signal lamp turn on: 9 - 16 

V)

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

−

Signal name

Input/ 

Output

JSMIA1507GB

JSMIA1506GB

JSMIA1405GB

PKID0926E

BCS

BCM

BCS-75

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

43

(Y)

Ground

Turn signal RH out-
put (Side)

Output

Ignition switch 
ON

Turn signal switch OFF

0 V

Turn signal switch RH

6.5 V

(Turn signal lamp turn on: 9 - 16 

V)

44

(BR)

Ground

Interior room lamp 
relay control

Output

Interior room lamp battery saver is activated

9 – 16 V

Interior room lamp battery saver is not acti-
vated

0 V

45

(R)

Ground

CAN-L (CAN com-
munication circuit 2)

Input/

Output

—

—

46

(L)

Ground

CAN-H (CAN com-
munication circuit 2)

Input/

Output

—

—

47

(BG)

Ground

Light & rain sensor 
serial link

Input/

Output

Power position OFF

12 V

Power position ON

8.7 V

48

(L)

Ground

CAN-H (CAN com-
munication circuit 2)

Input/

Output

—

—

49

(R)

Ground

CAN-L (CAN com-
munication circuit 2)

Input/

Output

—

—

50

(GR)

Ground

Door lock and unlock 
switch LOCK

Input

Door lock and 
unlock switch

Other than LOCK position

9 – 16 V

LOCK position

0 V

51

(Y)

Ground

Hazard switch

Input

Hazard switch

OFF

9 – 16 V

ON

0 V

56

(P)

Ground

Dongle link

Input/

Output

Ignition switch OFF

5 V

57

(BG)

Ground

Detention switch 
power supply

Output

Power position

ACC or ON

9 – 16 V

OFF

0 – 0.5 V

60

(G)

Ground

Headlamp washer 
switch

Input

Headlamp 
washer switch

Pressed

0 V

Not pressed

9 – 16 V

63

(G)

Ground

Power window relay 
control

Output

Power position

OFF or ACC

9 – 16 V

ON

0 – 0.5 V

64

(SB)

Ground

Rear window defog-
ger relay control

Output

Rear window 
defogger

Not activated

9 – 16 V

Activated

0 – 1.5 V

65

(P)

Ground

ACC relay control

Output

Power position

OFF

9 – 16 V

ACC or ON

0 – 0.5 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

−

Signal name

Input/ 

Output

PKID0926E

JPMIA0156GB

BCS-76

< ECU DIAGNOSIS INFORMATION >

BCM

67

(LG)

Ground

Ignition relay (J/B) 
control

Output

Power position

OFF or ACC

9 – 16 V

ON

0 – 0.5 V

68

(L)

Ground

Blower relay control

Output

Ignition switch

OFF or ACC

9 – 16 V

ON

0 – 0.5 V

71

(BR)

Ground

Option

Output

—

—

72

(R)

Ground

Spicy illumination 
control

Output

Spicy illumination ON

NOTE:

Voltage varies depending on the 

setting of spicy illumination.

73

(LG)

Ground

Combination switch 
INPUT 5

Input

Combination 
switch

All switches OFF
(Wiper volume dial 3)

12 V

Wiper volume dial 1

Rear wiper switch ON
(Wiper volume dial 3)

Rear wiper switch INT
(Wiper volume dial 3)

Wiper volume dial 4

Wiper volume dial 5

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

−

Signal name

Input/ 

Output

JSNIA0012GB

JMMIA1642GB

JMMIA1643GB

JMMIA1644GB

BCS

BCM

BCS-77

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

74

(Y)

Ground

Combination switch 
OUTPUT 5

Output

Combination 
switch

Lighting switches 2ND
(Wiper volume dial 3)

0 V

All switch OFF
(Wiper volume dial 3)

Lighting switch 1ST
(Wiper volume dial 3)

Front fog lamp switch ON
(Lighting switch 2ND)

Turn signal switch RH
(Lighting switch 2ND)

75

(BG)

Ground

Security indicator 
lamp control

Output

Security indica-
tor lamp

ON

0 – 0.5 V

Blinking

12 V

OFF

9 – 16 V

76

(G)

Ground

Combination switch 
INPUT 3

Input

Combination 
switch

All switches OFF

12 V

Front washer switch ON

Rear washer switch ON

Turn signal switch LH

Turn signal switch RH

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

−

Signal name

Input/ 

Output

JMMIA1643GB

JPMIA0590GB

JMMIA1643GB

JMMIA1642GB

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