Nissan Qashqai (2007-2010). Manual - part 1934

SN

SONAR CONTROL UNIT

SN-13

< ECU DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

JCNWA0226GB

SN-14

< ECU DIAGNOSIS >

SONAR CONTROL UNIT

JCNWA0227GB

SN

SONAR CONTROL UNIT

SN-15

< ECU DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Fail Safe

INFOID:0000000000935765

The warning buzzer function shuts off when the sensor system error is detected. 

JCNWA0228GB

SN-16

< SYMPTOM DIAGNOSIS >

SONAR SYSTEM SYMPTOMS

SYMPTOM DIAGNOSIS

SONAR SYSTEM SYMPTOMS

Symptom Table

INFOID:0000000000935767

Symptom

Check item

Possible malfunction location / Action to take

All sonar sensors do not activate.

Error is detected automatically with self-diagno-
sis.

Sensor power supply and ground circuit
(common part to each sensor)
Refer to 

SN-8, "Diagnosis Procedure"

.

Error is not detected automatically with self-diag-
nosis.

• Sonar control unit power supply and ground 

circuit
Refer to 

SN-7, "SONAR CONTROL UNIT : 

Diagnosis Procedure"

.

• Buzzer circuit

Refer to 

SN-9, "Diagnosis Procedure"

.

Any sonar sensor does not acti-
vate.

Error is detected automatically with self-diagno-
sis.

• Sensor power supply and ground circuit

(except common part to each sensor)
Refer to 

SN-8, "Diagnosis Procedure"

.

• Sensor signal circuit

Refer to 

SN-10, "Diagnosis Procedure"

.