Infiniti QX56 (JA60). Manual — part 874

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SONAR CONTROL UNIT FOR REAR SONAR SYSTEM

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< ECU DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

ECU DIAGNOSIS

SONAR CONTROL UNIT FOR REAR SONAR SYSTEM

Reference Value

INFOID:0000000005146207

SONAR CONTROL UNIT TERMINAL LAYOUT

TERMINALS AND REFERENCE VALUES FOR SONAR CONTROL UNIT

WKIA5222E

Terminal

(wire color)

Item

Condition

Reference value (V)

(Approx.)

Ignition

switch

Operation

3 (R)

Sonar buzzer return

ON

—

0 - 12 (variable)

4 (BR/Y)

Sonar system OFF
indicator output

ON

Sonar system OFF

switch

ON

0

OFF

Battery voltage

5 (G/W)

Reverse signal

ON

Transmission gear se-
lector lever

R position

Battery voltage

Transmission gear se-
lector lever

Not R position

0

6 (B)

Sonar control unit
ground

—

—

0

7 (L)

Sonar buzzer drive
signal

ON

—

Battery voltage

8 (G/R)

Sonar control unit
power

ON

—

Battery voltage

9 (GR)

Rear sonar sensor
signal - RH outer

ON

• Sonar system OFF switch ON
• Transmission gear selector lever in R po-

sition

• No obstacles

Battery voltage

10 (P)

Rear sonar sensor
signal - LH outer

ON

• Sonar system OFF switch ON
• Transmission gear selector lever in R po-

sition

• No obstacles

Battery voltage

11 (O)

Rear sonar sensor
signal - LH inner

ON

• Sonar system OFF switch ON
• Transmission gear selector lever in R po-

sition

• Distance obstacles

Battery voltage

12 (LG)

Rear sonar sensor
signal - RH inner

ON

• Sonar system OFF switch ON
• Transmission gear selector lever in R po-

sition

• Distance obstacles

Battery voltage

13 (LG)

Sonar system OFF
switch signal

ON

Sonar system OFF
switch

ON

0

OFF

Battery voltage

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< ECU DIAGNOSIS >

SONAR CONTROL UNIT FOR REAR SONAR SYSTEM

15 (Y)

Rear sonar sensor
ground

ON

—

0

16 (LG/B)

Rear sonar sensor
power

ON

Ignition switch ON

Battery voltage

Terminal

(wire color)

Item

Condition

Reference value (V)

(Approx.)

Ignition

switch

Operation

SN

SONAR CONTROL UNIT FOR REAR SONAR SYSTEM

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< ECU DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Wiring Diagram

INFOID:0000000005146208

ABNWA0369GB

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< ECU DIAGNOSIS >

SONAR CONTROL UNIT FOR REAR SONAR SYSTEM

ABNIA0077GB