Infiniti G37 Coupe. Manual - part 976

P C S

PUSH-BUTTON IGNITION SWITCH POSITION INDICATOR

PCS-73

< COMPONENT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

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PUSH-BUTTON IGNITION SWITCH POSITION INDICATOR

Description

INFOID:0000000001675297

The switch that changes the power supply position.
BCM maintains the power supply position status.
BCM changes the power supply position with the operation of the push-button ignition switch.

Component Function Check

INFOID:0000000001675298

1.

CHECK FUNCTION

1.

Check push-button ignition switch (“LOCK INDIOR”, “ACC INDICATOR” and “IGNITION ON IND”) in
Active Test Mode with CONSULT-III.

Is the inspection result normal?

YES

>> INSPECTION END.

NO

>> Refer to 

PCS-73, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000001675299

1.

CHECK PUSH-BUTTON IGNITION SWITCH INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect push-button ignition switch harness connector.

3.

Check voltage between push-button ignition switch harness connector and ground.

Is the inspection normal?

YES

>> GO TO 2.

NO

>>

Check the following.

• 10A fuse [No.9, located in fuse block (J/B)]
• Harness for open or short between push-button ignition switch and fuse

2.

CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT

1.

Disconnect BCM harness connector and push button ignition switch harness connector.

2.

Check continuity between BCM harness connector and push-button ignition switch harness connector.

3.

Check continuity between BCM harness connector and ground.

Is the inspection normal?

Test item

Description

LOCK INDICATOR
ACC INDICATOR
IGNITION ON IND

ON

Position indicator

 Illuminate

OFF

 Not illuminate

Push-button ignition switch

Ground

Voltage (V)

Connector

Terminal

M50

8

Ground

Battery voltage

Indicator

 BCM Connector

Terminal

 Push-button ignition 

switch connector

Terminal

Continuity

LOCK

M123

134

M50

5

Existed

ACC

M119

15

6

ON

M122

93

7

Indicator

BCM connector

Terminal

Ground

Continuity

LOCK

M123

134

Ground

Not existed

ACC

M119

15

ON

M122

93

PCS-74

< COMPONENT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

PUSH-BUTTON IGNITION SWITCH POSITION INDICATOR

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK PUSH-BUTTON IGNITION SWITCH

Refer to 

PCS-74, "Component Inspection"

.

Is the inspection normal?

YES

>> GO TO 4.

NO

>> Replace push-button ignition switch

4.

CHECK INTERMITTENT INCIDENT

Refer to .

>> INSPECTION END

Component Inspection

INFOID:0000000001675300

1.

CHECK PUSH-BUTTON IGNITION SWITCH 

Check push-button ignition switch.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace push-button ignition switch. Refer to 

PCS-130, "Removal and Installation"

.

Terminal

Push-button ignition switch 

position

Continuity

Push-button ignition switch

(+)

(–)

8

5

LOCK

Existed

6

ACC

7

ON

PCS

BCM (BODY CONTROL MODULE)

PCS-75

< ECU DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

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ECU DIAGNOSIS

BCM (BODY CONTROL MODULE)

Reference Value

INFOID:0000000001911546

VALUES ON THE DIAGNOSIS TOOL

CONSULT-III MONITOR ITEM

Monitor Item

Condition

Value/Status

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

Off

Front wiper switch INT

On

FR WIPER STOP

Front wiper is not in STOP position

Off

Front wiper is in STOP position

On

INT VOLUME

Wiper intermittent dial is in a dial position 1 - 7

Wiper intermittent dial position

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 and 2ND

Off

Lighting switch 1ST or 2ND

On

HI BEAM SW

Other than lighting switch HI

Off

Lighting switch HI

On

HEAD LAMP SW 1

Other than lighting switch 2ND

Off

Lighting switch 2ND

On

HEAD LAMP SW 2

Other than lighting switch 2ND

Off

Lighting switch 2ND

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

NOTE:
The item is indicated, but not monitored. 

Off

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

NOTE:
The item is indicated, but not monitored. 

Off

DOOR SW-RL

NOTE:
The item is indicated, but not monitored. 

Off

PCS-76

< ECU DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

BCM (BODY CONTROL MODULE)

DOOR SW-BK

NOTE:
The item is indicated, but not monitored. 

Off

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

Other than driver door key cylinder LOCK position

Off

Driver door key cylinder LOCK position

On

KEY CYL UN-SW

Other than driver door key cylinder UNLOCK position

Off

Driver door key cylinder UNLOCK position

On

KEY CYL SW-TR

NOTE:
The item is indicated, but not monitored. 

Off

HAZARD SW

Hazard switch is not pressed

Off

Hazard switch is pressed

On

REAR DEF SW

NOTE:
The item is indicated, but not monitored. 

Off

H/L WASH SW

NOTE:
The item is indicated, but not monitored. 

Off

TR CANCEL SW

Trunk lid opener cancel switch OFF

Off

Trunk lid opener cancel switch ON

On

TR/BD OPEN SW

Trunk lid opener switch OFF

Off

While the trunk lid opener switch is turned ON

On

TRNK/HAT MNTR

Trunk lid closed

Off

Trunk lid opened

On

RKE-LOCK

LOCK button of Intelligent Key is not pressed

Off

LOCK button of Intelligent Key is pressed

On

RKE-UNLOCK

UNLOCK button of Intelligent Key is not pressed

Off

UNLOCK button of Intelligent Key is pressed

On

RKE-TR/BD

TRUNK OPEN button of Intelligent Key is not pressed

Off

TRUNK OPEN button of Intelligent Key is pressed

On

RKE-PANIC

PANIC button of Intelligent Key is not pressed

Off

PANIC button of Intelligent Key is pressed

On

RKE-P/W OPEN

UNLOCK button of Intelligent Key is not pressed

Off

UNLOCK button of Intelligent Key is pressed and held 

On

RKE-MODE CHG

LOCK/UNLOCK button of Intelligent Key is not pressed and held si-
multaneously

Off

LOCK/UNLOCK button of Intelligent Key is pressed and held simul-
taneously

On

OPTICAL SENSOR

Bright outside of the vehicle

Close to 5 V

Dark outside of the vehicle

Close to 0 V

REQ SW-DR

Driver door request switch is not pressed

Off

Driver door request switch is pressed

On

REQ SW-AS

Passenger door request switch is not pressed

Off

Passenger door request switch is pressed

On

REQ SW-BD/TR

Trunk request switch is not pressed

Off

Trunk request switch is pressed

On

Monitor Item

Condition

Value/Status