Infiniti G37 Coupe. Manual - part 1089

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< FUNCTION DIAGNOSIS >

HEATED SEAT

HEATED SEAT

System Description

INFOID:0000000001694225

• Heated seat is a system that operates when ignition switch is in ON or START position.
• While operating the heated seat switch, seat cushion heater and seat back heater operate.
• Changing heated seat switch to LOW/HIGH position, depending on working heater number it is possible to

adjust the seat temperature.

Component Parts Location

INFOID:0000000001694226

Component Description

INFOID:0000000001694227

JMJIA0191ZZ

1.

Heated seat switch (driver side) 
M138:  A/T models
M172:  M/T models

2.

Heated seat switch (passenger side) 
M140: A/T models
M173: M/T models

3.

Heated seat relay M70

4.

Seat back heater

5.

Seat cushion heater 
B507: Driver side
B555: Passenger side

A.

View with cluster lid C is removed.

Item

Function

Heated seat switch
 (driver side / passenger side)

• Power is supplied to each heater.
• Depending on LOW/HIGH position of switch, operating heater number is changeable.

Seat cushion heater

Built-in seat cushion, the heater operates with the power supplied by heater seat switch.

Seat back heater

Built-in seatback, the heater operates with the power supplied by heater seat switch.

LUMBAR SUPPORT

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< FUNCTION DIAGNOSIS >

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LUMBAR SUPPORT

System Description

INFOID:0000000001694228

• Lumbar support can operate regardless of the ignition switch position because battery power is supplied to it

at all times.

• While operating the lumbar support switch, lumbar support motor operates which allows forward and back-

ward operation of seatback support.

Component Parts Location

INFOID:0000000001694229

Component Description

INFOID:0000000001694230

JMJIA0189ZZ

1.

Lumbar support switch B547

2.

Lumbar support motor B548

Item

Function

Lumbar support switch

Controls the power supplied to lumbar support motor.

Lumbar support motor

With the power supplied to lumbar support switch, operates the forward and backward 
movement of seatback support device.

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< FUNCTION DIAGNOSIS >

DIAGNOSIS SYSTEM (DRIVER SEAT C/U)

DIAGNOSIS SYSTEM (DRIVER SEAT C/U)

Diagnosis Description

INFOID:0000000001730051

The power seat system can be checked and diagnosed for component operation with CONSULT-III.

DIAGNOSTIC MODE

CONSULT-III Function

INFOID:0000000001730052

SELF DIAGNOSTIC RESULTS

Refer to 

SE-112, "DTC Index"

.

DATA MONITOR

Diagnostic mode

Description

SELF-DIAG RESULTS

Performs self-diagnosis for the auto drive positioner system and displays the results.

DATA MONITOR

Displays input signals transmitted from various switches and sensors to driver seat con-
trol unit in real time.

CAN DIAG SUPPORT MNTR

The result of transmit/receive diagnosis of CAN communication can be read.

ACTIVE TEST

Drive each output device.

ECU PART NUMBER

Displays part numbers of driver seat control unit parts.

Monitor Item

Unit

Main

Signals

Selection 

From 

Menu

Contents

SET SW

“ON/OFF”

×

×

ON/OFF status judged from the setting switch signal.

MEMORY SW 1

“ON/OFF”

×

×

ON/OFF status judged from the seat memory switch 1 sig-
nal.

MEMORY SW 2

“ON/OFF”

×

×

ON/OFF status judged from the seat memory switch 2 sig-
nal.

SLIDE SW–FR*

3

“ON/OFF”

×

×

ON/OFF status judged from the sliding switch (forward) sig-
nal.

SLIDE SW–RR*

3

“ON/OFF”

×

×

ON/OFF status judged from the sliding switch (backward) 
signal.

RECLN SW–FR

“ON/OFF”

×

×

ON/OFF status judged from the reclining switch (forward) 
signal.

RECLN SW–RR

“ON/OFF”

×

×

ON/OFF status judged from the reclining switch (backward) 
signal.

LIFT FR SW–UP

“ON/OFF”

×

×

ON/OFF status judged from the lifting switch front (upward) 
signal.

LIFT FR SW–DN

“ON/OFF”

×

×

ON/OFF status judged from the lifting switch front (down-
ward) signal.

LIFT RR SW–UP

“ON/OFF”

×

×

ON/OFF status judged from the lifting switch rear (upward) 
signal.

LIFT RR SW–DN

“ON/OFF”

×

×

ON/OFF status judged from the lifting switch rear (down-
ward) signal.

MIR CON SW–UP

“ON/OFF”

×

×

ON/OFF status judged from the mirror switch (upward) sig-
nal.

MIR CON SW–DN

“ON/OFF”

×

×

ON/OFF status judged from the mirror switch (downward) 
signal.

MIR CON SW–RH

“ON/OFF”

×

×

ON/OFF status judged from the door mirror remote control 
switch (passenger side) signal.

MIR CON SW–LH

“ON/OFF”

×

×

ON/OFF status judged from the door mirror remote control 
switch (driver side) signal.

DIAGNOSIS SYSTEM (DRIVER SEAT C/U)

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*1

: M/T models display all item except this item.

*2

: A/T models display all item except this item.

*

3

: Only this item is displayed for driver seat without automatic drive positioner system.

MIR CHNG SW–R

“ON/OFF”

×

×

ON/OFF status judged from the door mirror remote control 
switch (switching to right) signal.

MIR CHNG SW–L

“ON/OFF”

×

×

ON/OFF status judged from the door mirror remote control 
switch (switching to left) signal.

TILT SW-UP

“ON/OFF”

×

×

ON/OFF status judged from the tilt switch (upward) signal.

TILT SW-DOWN

“ON/OFF”

×

×

ON/OFF status judged from the tilt switch (downward) sig-
nal.

TELESCO SW-FR

“ON/OFF”

×

×

ON/OFF status judged from the telescoping switch (for-
ward) signal.

TELESCO SW-RR

“ON/OFF”

×

×

ON/OFF status judged from the telescoping switch (back-
ward) signal.

FORWARD SW*

3

“ON/OFF”

×

×

ON/OFF status judged from the forward switch signal.

WALK-IN SW*

3

“ON/OFF”

×

×

ON/OFF status judged from the power walk-in switch sig-
nal.

FWD LIMIT SW*

3

“ON/OFF”

×

×

ON/OFF status judged from the sliding limit switch signal.

SEAT BELT SW*

3

“ON/OFF”

×

×

ON/OFF status judged from the seat belt backle switch sig-
nal.

DETENT SW

*1

“ON/OFF”

×

×

The selector lever position “OFF (P position) / ON (other 
than P position)” judged from the detention switch signal.

PARK BRAKE SW

*2

“ON/OFF”

×

×

The parking brake condition “ON (applied) / OFF (release)” 
judged from the parking brake switch signal.

STARTER SW

“ON/OFF”

×

×

Ignition key switch ON (START, ON) /OFF (ACC, OFF) sta-
tus judged from the ignition switch signal.

SLIDE PULSE*

3

–

–

×

Value (32768) when battery connections are standard. If it 
moves backward, the value increases. If it moves forward, 
the value decreases.

RECLN PULSE

–

–

×

Value (32768) when battery connections are standard. If it 
moves backward, the value increases. If it moves forward, 
the value decreases.

LIFT FR PULSE

–

–

×

Value (32768) when battery connections are standard. If it 
moves DOWN, the value increases. If it moves UP, the val-
ue decreases.

LIFT RR PULSE

–

–

×

Value (32768) when battery connections are standard. If it 
moves DOWN, the value increases. If it moves UP, the val-
ue decreases.

MIR/SEN RH U–D

“V”

–

×

Voltage input from door mirror sensor (passenger side) up-
ward/downward is displayed.

MIR/SEN RH R–L

“V”

–

×

Voltage input from door mirror sensor (passenger side) left-
ward/rightward is displayed.

MIR/SEN LH U–D

“V”

–

×

Voltage input from door mirror sensor (driver side) upward/
downward is displayed.

MIR/SEN LH R–L

“V”

–

×

Voltage input from door mirror sensor (driver side) leftward/
rightward is displayed.

TILT SEN

“V”

–

×

Voltage input from tilt sensor upward/downward is dis-
played.

TELESCO SEN

“V”

–

×

Voltage input from telescopic sensor forward/backward is 
displayed.

Monitor Item

Unit

Main

Signals

Selection 

From 

Menu

Contents