Nissan Quest E52. Manual - part 762

HAC-178

< ECU DIAGNOSIS INFORMATION >

[MANUAL AIR CONDITIONING]

A/C AMP.

ECU DIAGNOSIS INFORMATION

A/C AMP.

Reference Value

INFOID:0000000009652641

TERMINAL LAYOUT

PHYSICAL VALUES

JMIIA0690ZZ

Terminal No.

(Wire color)

Description

Condition

Value

+

−

Signal name

Input/

Output

1

(O)

Ground

Battery power supply

—

Ignition switch OFF

11 – 14 V

2

(G)

Ground

Ignition power supply

—

Ignition switch ON

11 – 14 V

4

(SB)

Ground

Door motor power supply

Output

Ignition switch ON

9.5 – 13.5 V

5

(BR)

Ground

LAN signal

Input/ 

Output

Ignition switch ON

9

(Y)

Ground

ACC power supply

—

Ignition switch ON

11 – 14 V

10

(W)

Ground

Front blower motor control 
signal

Output

• Ignition switch ON
• Front fan speed: 1st speed 

(manual)

12

(BR)

Ground

Blower fan ON signal

Output

• Ignition switch ON
• Front blower motor: OFF

11 – 14 V

• Ignition switch ON
• Front blower motor: ON

0 – 0.5 V

SJIA1453J

JSIIA0096ZZ

A/C AMP.

HAC-179

< ECU DIAGNOSIS INFORMATION >

[MANUAL AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

13

(O)

Ground

A/C ON signal

Output

• Ignition switch ON
• A/C switch: OFF (A/C indica-

tor: OFF)

• Ignition switch ON
• A/C switch: ON (A/C indica-

tor: ON)

0 – 0.5 V

17

(L)

Ground

Engine coolant temperature 
signal

Input

• Ignition switch ON
• Engine idling
• Engine coolant temperature: 

Below 56

°

C (133

°

F)

• Ignition switch ON
• Engine idling
• Engine coolant temperature: 

Between 56 – 105

°

C (133 – 

221

°

F)

• Ignition switch ON
• Engine idling
• Engine coolant temperature: 

Above 105

°

C (221

°

F)

21

(B/W)

Ground

Ground

—

Ignition switch ON

0 – 0.1 V

23

(B/W)

Ground

Ground

—

Ignition switch ON

0 – 0.1 V

30

(R)

Ground

Rear blower motor control 
signal

Output

• Ignition switch ON
• Rear fan speed: 1st speed 

(manual)

Terminal No.

(Wire color)

Description

Condition

Value

+

−

Signal name

Input/

Output

PKIB4960J

JMIIA1756JP

JMIIA1757JP

JMIIA1758JP

JSIIA0096ZZ

HAC-180

< ECU DIAGNOSIS INFORMATION >

[MANUAL AIR CONDITIONING]

A/C AMP.

32

(BR)

Ground

Communication signal
(A/C amp. 

→

 Rear A/C con-

trol)

Output

Ignition switch ON

33

(SB)

Ground

Communication signal
(Rear A/C control 

→

 A/C 

amp.)

Input

Ignition switch ON

37

(GR)

Ground

Intake sensor signal

Input

Ignition switch ON

40

(Y)

Ground

Sensor ground

—

Ignition switch ON

0 – 0.1 V

Terminal No.

(Wire color)

Description

Condition

Value

+

−

Signal name

Input/

Output

SJIA1521J

SJIA1522J

JMIIA1786ZZ

BCM, ECM, IPDM E/R

HAC-181

< ECU DIAGNOSIS INFORMATION >

[MANUAL AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

BCM, ECM, IPDM E/R

List of ECU Reference

INFOID:0000000009652642

ECU

Reference

BCM

BCS-40, "Reference Value"

BCS-62, "Fail-safe"

BCS-62, "DTC Inspection Priority Chart"

BCS-63, "DTC Index"

ECM

EC-79, "Reference Value"

EC-92, "Fail-safe"

EC-94, "DTC Inspection Priority Chart"

EC-96, "DTC Index"

IPDM E/R

PCS-16, "Reference Value"

PCS-23, "Fail-safe"

PCS-24, "DTC Index"