Infiniti QX56 (Z62). Manual - part 1246

 

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Infiniti QX56 (Z62). Manual - part 1246

 

 

SRC-188

< DTC/CIRCUIT DIAGNOSIS >

B1311 SATELLITE SEN LH

B1311 SATELLITE SEN LH

DTC Logic

INFOID:0000000006220151

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAG RESULT

 With CONSULT-III

1.

Turn ignition switch ON.

2.

Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.

 Without CONSULT-III

1.

Turn ignition switch ON.

2.

Check the air bag warning lamp status. Refer to 

SRC-14, "On Board Diagnosis Function"

.

NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.

Is malfunctioning part detected?

YES

>> Refer to 

SRC-188, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006220152

WARNING:

• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait at least 3

minutes or more. (To discharge backup capacitor.)

• Never use unspecified tester or other measuring device. 

1.

CHECK HARNESS CONNECTOR

Check the harness connector.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace harness connector.

2.

CHECK WIRING HARNESS

Check the wiring harness externals.

Is the inspection result normal?

YES

>> GO TO 3. 

NO

>> Replace wiring harness.

3.

REPLACE REAR SATELLITE SENSOR

1.

Replace rear satellite sensor LH. Refer to 

SR-24, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to 

SRC-188, "DTC Logic"

Is DTC detected?

YES

>> GO TO 4. 

NO

>> INSPECTION END

4.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

1.

Replace air bag diagnosis sensor unit. Refer to 

SR-26, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to 

SRC-188, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 1. 

DTC

Display contents of 

CONSULT-III

DTC detecting condition

Possible cause

B1311

SATELLITE SENS LH
[UNIT FAIL]

Rear satellite sensor LH is malfunctioning

• Disconnection of wiring harness
• Malfunction in rear satellite sensor LH
• Malfunction in air bag diagnosis sensor unit

B1311 SATELLITE SEN LH

SRC-189

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

I

J

K

L

M

A

B

SRC

N

O

P

NO

>> INSPECTION END

SRC-190

< DTC/CIRCUIT DIAGNOSIS >

B1313, B1315, B1316, B1317 SATELLITE SEN LH

B1313, B1315, B1316, B1317 SATELLITE SEN LH

DTC Logic

INFOID:0000000006220153

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAG RESULT

 With CONSULT-III

1.

Turn ignition switch ON.

2.

Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.

 Without CONSULT-III

1.

Turn ignition switch ON.

2.

Check the air bag warning lamp status. Refer to 

SRC-14, "On Board Diagnosis Function"

.

NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.
Is malfunctioning part detected?

YES

>> Refer to 

SRC-190, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006220154

WARNING:

• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait at least 3

minutes or more. (To discharge backup capacitor.)

• Never use unspecified tester or other measuring device. 

1.

CHECK HARNESS CONNECTOR

Check the harness connector.
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace harness connector.

2.

CHECK WIRING HARNESS

Check the wiring harness externals.

Is the inspection result normal?

YES

>> GO TO 3. 

NO

>> Replace wiring harness.

3.

REPLACE REAR SATELLITE SENSOR

1.

Replace rear satellite sensor LH. Refer to 

SR-24, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to 

SRC-190, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 4. 

NO

>> INSPECTION END

4.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

1.

Replace air bag diagnosis sensor unit. Refer to 

SR-26, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to 

SRC-190, "DTC Logic"

.

Is DTC detected?

DTC

Display contents of 

CONSULT-III

DTC detecting condition

Possible cause

B1313
B1315
B1316
B1317

SATELLITE SENS LH 
[COMM FAIL]

Rear satellite sensor LH is malfunctioning 
or out of the specified specification

• Disconnection of wiring harness
• Malfunction in rear satellite sensor LH
• Malfunction in air bag diagnosis sensor unit

B1313, B1315, B1316, B1317 SATELLITE SEN LH

SRC-191

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

I

J

K

L

M

A

B

SRC

N

O

P

YES

>> GO TO 1. 

NO

>> INSPECTION END

 

 

 

 

 

 

 

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